Table Of Content,
Gayana65(2): 137-148, 2001 ISSN0717-652X
LYNNYELLA, A NEW GENUS OF CLICK BEETLES FROM CENTRALAND
SOUTHERN CHILE (COLEÓPTERA: ELATERIDAE).
LYNNYELLA, UNNUEVO GÉNERO DE ESCARABAJO DEL CENTRO-SUR
DE CHILE (COLEOPERA: ELATERIDAE)
Elizabeth T. Arias
ABSTRACT RESUMEN
ThenewgenusLynnyellaisheredescribed. Thetype Se describe Lynnyella, nuevo género de Elateridae
speciesforthegenusLynnyellaisDeromecussuturalis para Chile, el cual tiene como especie tipo a
(Candéze 1865). The new genus Lynnyella belongs Deromecus suturalis Candéze 1865. Este género
to the tribe Pomachiliini and includes: L. suturalis pertenece a la tribu Pomachiliini, e incluye las si-
(Candéze 1865) n. comb., L. concepcionensis Arias guientes especies: L. suturalis n. comb., L.
n. sp., L. diegoi Arias n. sp., L. gerhardtae Arias n. concepcionensisAriasn. sp.,L. diegoiArias n. sp.,
sp.,L.juanjoseorumAriasn.sp.,L. longaviensisArias L. gerhardtaeAriasn. sp.,L.juanjoseorumAriasn.
n. sp., and L. valenciai Arias n. sp. The genus sp.,L. longaviensisAriasn. sp.,yL. valenciaiArias
LynnyellaisdistributedinCentralandSouthernChi- n. sp. LasespeciesdelgéneroLynnyellaseencuen-
le. The geographic distributions ofthese species are tran distribuidas en la zona centro y sur de Chile.
mappedandakey isprovided. Se proporciona un mapa con la distribución geo-
gráfica para las especies mencionadas y una clave
Keywords: Deromecus suturalis, Lynnyella, de éstas.
Pomachiliini, Elaterinae, Elateridae.
Palabras claves: Deromeus suturalis. Lynnyella.
Pomachiliini, Elaterinae. Elateridae
INTRODUCTION tral and Southern Chile is one of these hot spots,
richinendemicspeciesbecauseofitsisolationfrom
E. O. Wilson (1992) explained that some of the rest of the continent. Unfortunately, most
theuniqueareasofthe world, socalled "hot spots", systematicworkintheregionhasbeenonholdsince
are continuously threatened by development. the lastcentury due tolackoffunding, whichtends
Systematistsmustpayspecialattentiontotheseareas to be directed towards applied science studies.
that bear not only unique biota but also the means Whilestudyingelaterids(Arias 1999)Ifound
tounderstandlinksinevolutionaryprocesses. Cen- thatnotonlyseveralspeciesbutalsoseveralgenera
had been lumped togetherby poorly defined terms
on superficial morphology. Included were
CaRl.ifMo.rniBao,haDratviMs.usDeavuims,oCfAEn9t5o6m1o6l.ogyP,reUsneinvterasdidtryesso:f DreeprroesmeenctuatsivSeoslioefrth1e8g5e1n,erPaomPaocdhoinlieumsaESsolcihesrch1o8l5t1z
Essig Museum of Entomology 201 Wellman Hall,
University ofCalifornia, Berkeley. Berkeley, Ca 94720- 1829 and the new genus Lynnyella all identified as
3445. Deromecus suturalis. In his original description.
137
Gayana 65(2). 2001
the naturalist from Belgium Candéze (1865) ocular micrometer as follows: Total body length,
described the species Deromecus suturalis in the total length of the body (mm). Length taken in a
groupofPomachiliitesasfollows: elongatus, niger, dorsal view. Eyes Index [EI] is obtained by
nitidus, griseopubescens;fronte antice rufescente; subtracting the interocularhead (frons) width from
antennisbrunneis, articulosecundotertiobreviori; themaximumwidthoftheheadacrosstheeyesand
prothorace latitudine longiore, subcylindrico, me- dividing the result by the maximum head width
dio postice deplanato, crebe punctato, lateribus (Calder 1996). Pronotalindex [PNI] isobtainedby
testaceis, angulisposticisIongis, valdedivaricatis; dividingthelengthofthepronotum,measuredalong
elytris prothorace latioribus, parallelis, striis the middle line, by the maximum width of the
subtilibuspunctatis, testaceis, sutura late hrunnea. pronotumacrosstheposteriorangles(Calder 1996).
Corpore subtus brunneo, pedibus testatecis, Pronotal elytral index is obtained by dividing the
tarsorumarticuloquartoprecedent!paulobreviori.- length ofthe pronotum by the length ofthe elytra.
Long 14, lot. 3 mill. Chili". Elytronhumeral-area[EHA],ontheanteriorelytron
The new genus Lynnyella does not share the as long as scutellum length. This character might
genericcharactersofDeromecus,(Arias 1999,Arias be of importance at generic level. Elytron index
2001). The genus Deromecus and the new genus [ELI] isobtainedbydividingthelengthofthelength
Lynnyella belong to the Pomachiliini clade (Arias ofthe elytron by its width.
1999),andtheirphylogenywillbetreatedinafuture Proportionsaregiventofacilitatecomparison
publication. The genus Deromecus differs from among individuals or among species, and are
Lynnyella in having a body stout and cylindrical, indicatedasfollows:Antennomereproportion [AP]
pronotum and elytra similar in width, mesosternal lists the lengths of antennomeres 2 through 11,
cavity subquadrate, with sideswellelevated, and in (antennomere 1 ishardtomeasureduetoitscurved
wingvenationMP3jointMP4+CuA2(Arias2001). shape) as l/100ths of the total antennal length.
I describe the new genus Lynnyella with the Length taken from a dorsal view. Tarsomere
following species: L. suturalis (Candéze) new proportion [TP] lists the lengths of tarsomeres 1
combination,L. concepcionensisAriasnewspecies, through5as l/100thsofthetotaltarsallength(Arias
L.diegoiAriasnewspecies,L. gerhardtaeAriasnew 1999).
species, L. juanjoseorum Arias new species, L. Specimens from which genitalia and or the
longaviensis Arias new species, and L. valenciai left hindwing were removed were first relaxed
Arias new species. The new genus Lynnyella is overnight in warm waterwith a few drops ofsoap.
distributedbetween32°-42°Southand71°-73°West Forexamination ofwing venation the hindwing of
in Central and Southern Chile. the specimen was removed, and then placed either
in a transparent card under the specimen or on a
microscope slide with a drop ofwateradded to the
MATERIALS AND METHODS surface. In both cases the hindwing was unfolded
and spread out as much as possible, and then the
Specimensandprimarytypeswereborrowed water was allowed to evaporate until the wing
from museums around the world to study adhered to the glass slide. In general the wings
morphological characters. Specimens compared remained on the glass slide without the addition of
with the type material were used to complete an adhesive. Forprotection, aglass coverslip was
descriptions. When the type material was in poor placed overthe wing and attachedat itsedges with
conditiondissectionswereconductedwithcompared transparent methacrylate. Forexaminationofmale
material. Conditions of the type material are genitalia, the lastabdominal segment was removed
indicated under "Type material". Museums and and placed in water with a few drops of soap in a
institutions which contributed to this work are Petri dish and left over night. Genitalia were
indicated intheacknowledgementsand, inthetext, extractedandgluedtoapointcardon its lateralside
by the acronyms in brackets (Arnett et al. 1997), withtransparentmethacrylate,andplacedonthepin
excluding[ETA]author'scollection. Typespecimen under the specimen. Female genitalia were not
repositories are also indicated in descriptions. examined due to absence of material for some of
Measurements were made with a calibrated the species. Drawings were made using a camera
138
Lynnyatten. gen. of. Chile: Arias, E.
lucida on a dissecting scope Leica MZ7. All dates in some species slightly convex in part of its
in the records given were converted to a standard length. This feature might be of importance at
format ofday.month.year, with the month given in higher level.
Romannumerals. Placenamesgivenfromrecorded
labels are the original spellings.
TAXONOMY
DEFINITIONS Lynnyella new genus
Antennalpocket: alsoreferredtoas antennal Type species. Deromecus suturalis Candéze
groove. Presence of a longitudinal groove in the 1865:37, present designation.
apicalportionofthePronotosternal sutures,insome
species spoon shaped. Antennomeres 1 through 3 Male Diagnostic Characters. Frontoclypeal
areaccommodatedinthisgroove;sometimesitalso carina complete across front of frons. Clypeus
accommodates part ofantennomXere 4. present and vertical. Antennomere 2 conical.
Antennal pocket present. Prothorax longer than
Hindwing venation: terminology according wide. Pronotal sidescompletelycarínate, posterior
to Kukalová-Peck and Lawrence (1993) and Dolin angles divergent, unicarinate. Scutellum without a
1976(Figure3).Thestudyofwingvenationofclick notch anteriorly. Mesocoxal cavity open to
beetlesisofgreatimportanceinPhylogenyandwill mesepimeron and mesepisternum. Mesosternal
be treated in future research. cavity with sides elevated. Elytra striate. Elytral
apex denticulate, truncate orexcavate.
Elytral-humeral area: anteriorelytral areaas
long as scutellum length. This feature might be of Male. Body elongate or semi-stout; length
importance at generic level. 9.8-14.0mm; yellowishbrowntodarkbrown, with
alongitudinal brown stripe darkerthan body color.
Prosternallength:thelengthofthepresternum Head hypognathous, punctate; frontoclypeal
along the midline from its anterior edge to the line carina complete across front of frons, rounded,
tangenttotheanterioredgeoftheprocoxalcavities. protruded, polished; eyes small, [EI: 0.3]; clypeus
r3 and r4: in the wing referring to transverse veins present, crossed by a bridge medially in some
(Figure 2). rpl, rp2, rp3: in the Hindwing referring species; labrum vertical or oblique, fully exposed,
to sclerotized areas involved in the folder labralsuturecurved;mandiblesbidentate;maxillary
mechanism, (Figure 2). and labial palp apical segment hatchet-shaped;
Pronotosternal suture appearing double, antennae 11-segmented: antennomere 1 conical,
prosternalsuture,prosternaldoublesutures(Golbach antennomere 2 conical, antennomeres 3-4 conical
1994): The prosternal suture iscommonly foundas or serrate, antennomeres 5 through 10 serrate,
a single ordouble feature in Elateridae, sometimes antennomere 11 serrate or tubular.
groovedinpartofitsanteriorlength. Hayek(1990) Prothoraxlongerthanwide;parallel-sidedor
mentioned that the terminology "single" and sinuate; convex ornot anteriorly, with orwithout a
"double" are misleading giving the idea that there depression over posterior halfofpronotum; a dark
are two sutures instead ofonly one. The suture or brown strip longitudinally narrowed posteriorly;
line ofjunction between the presternum and the [PNI: 1.2-1.4]; pronotal base curved or straight;
hypomeronisinvariablymanifestedasasingleline. prescutal notch V- or U-shaped (Gur'jeva 1974);
However, when the suture is double, it is in reality posterior angles divergent and carínate;
accompaniedthroughatleast the anteriorhalfofits pronotosternal suture appearing double (hereafter
length, orall ofits length, by a narrowed, polished pronotosternal suture); prosternal spine long and
band of thicker cuticle, being called "double ledged; pronotal hypomeron apically marginated;
sutures". This band is the modified innermargin antennal pocket present.
ofthe hypomeron, and it may be punctate ornot, ScutellumtriangularorU-shaped;mesocoxae
with setae or not; it may be slightly raised, and rounded, separated by posterior margin of
139
1
Gayana65(2), 2001
mesosternal cavity; mesosternal cavity elongate, stronglyslopingtobaseofclypeus;clypeusstrongly
floor deep, sides elevated, except between narrow at middle, rugulose; labrum rectangular,
mesocoxae; posteriormarginofmesosternalcavity slightly convex, punctate, 1.8 X as long as wide;
extending posteriorly; mesocoxal cavity open to antennomere4conical,antennomeres5 through 1
mesepimeronandmesepisternum;mesosternumand serrate, antennomeres 10 and 11 exceeding poste-
metasternumseparatedbyadistinctexternalsuture. riorangles, [AP: 6-9-10-13-13-9-9-9-9-13], (Figu-
Elytra parallel-sided through first third; [ELI: 2.8- re 4).
3.2];anteriorelytralhumeralareastronglydeclivous Prothoraxparallel-sided;[PNI: 1.2];pronotum
towardsprescutum;striate,striae 1-3withpunctures slightly convex anteriorly, basally flat; areolate;
tear-shaped,remainingstriaewithpits;elytronapex
denticulate, truncateorexcavate.
Hindwing well developed; 2.9 X as long as
wide; wing membranenotnotchedin anal area; ra-
dial cell 4.7 X as long as wide; horizontal radial
cross vein (R) present, radial cell present; rpl and
rp3present,notconjoined,wedgecellpresent;apex
ofwingmembranewithoutvenationoccupying0.2
X length ofwing membrane (Figure 2).
Metacoxal plate: widest region closest to medial
body line.
Leg pro-, meso-, and metatibiae with small
spurs apically, tarsi simple, vestiture long, dense,
goldoryellowish.
Abdomen finely punctate, last abdominal
sternite rounded.
Etymology. This name honors Lynn S.
Kimsey,whoprovidedtheresourcestoconductmy
elaterid research. Genderfeminine.
Female. Similar to male, but body stouter,
biggerandantennae notreaching apex ofposterior
angles; pronotum strongly convex entirely or
anteriorly. The key of females will be given in a
new publication when more females may be
available.
Biology. Adults have been collected mostly
Figure 1. Dorsal habitusofthe typeLynnyella suturalis.
from November to March; no other aspects ofthe
biology are known. Figura 1. Vistadorsal del tipodeLynnyellasuturalis
Distribution. IV and X Region in Chile (Fi-
gure 32). pronotal base curved; posterior angles strongly
Included species. Species are described divergent; prescutal notch not visible; presternum
below.
convex, yellow brownish, shiny, pinpointpunctures;
pronotosternal suturedivergent;pronotalhypomeron
Lynnyellasuturalis (Candéze) new combination
semi-polished, punctate, punctures confluent, not
Figures 1, 2, 4, 18, 25, 32. extending anteriorly beyond prosternum, pronotal
hypomeronapicalmarginelevated,basallyexcavate,
Male. Body elongate; brownish yellow; (1F.i9guXrepr1o1c);oxleanlgtdhiaomfeptreors;teprrnoasltseprinnaelaafrteerapbreotcwoexeane
integumentsemi-shiny;vestituredense,semi-erect, procoxae flat, separatedby 1.0Xprocoxal diameter.
gold; [PEI: 3.2], length 14 mm, width 3.4 mm. Scutellum U-shaped, anteriormargin broad,
Headpuncturesareolate;frontoclypealregion carinate, curved anteriorly, 1.5 X as long as wide;
140
Lyraiyalle n. gen. of. Chile: Arias, E.
mesocoxaeseparatedby0.5Xmesocoxaldiameter; glossy, withoutpunctures, setaeerect, scarce; apex
posterior margin of mesosternal cavity notched denticulate.
posteriorly, and 0.5 X mesocoxal diameter long. Leg same as body coloration; [TP: 30-14-7-
Elytra parallel-sided through second third; 19-30], (Figure 18).
[ELI: 3.1];elytralanteriorborderslightlyangulate,
carínate,withsetaethin,erect;elytral-humeralarea Male Genitalia. Aedeagus median lobe
RA
1+2
MEi+CuA! CuA
2
L. suturalis
Figure 2. Hindwing venation ofLynnyella suturalis.
Figura2. Venación alaranteriorde Lynnyellasuturalis.
parallel-sided,3.0Xaslongaswide,apexrounded, Remarks. Lynnyella suturalis can be
distinguished from other Lynnyella by the
paramereapextriangularnotreachingmedianlobe
(Figure 25). combinationofitselongatebrownishbody,parallel-
Type material. Holotype. Male. Chile. sided pronotum and denticulate elytral apex.
DeromecussuturalisCandéze 1865:37,orig.desig.,
14 mm in length, examined, [BMNH].
Additional Material Examined. CHILE. Lynnyella concepcionensisnew species
Two males, Purolón, 19.1.1986, L. E. Peña, Figures 3, 5, 12, 19, 26, 32
[ETA]; one male Purolón, 19.1.1986, L. E. Peña,
[SRP]; one male, CILE, Selva Oscura, Male. Body semi-stout; dark brown;
Curacautín, 27.1.1986, L. E. Peña, [ETA]; one integument semi-dull; vestiture semi-erect, gold;
m[aUlCeC,CP]u.ertoMontt, Chamiza, 2.II.1971, M. Pino, [PEL 3H.e0a],dlpuenncgttuhre1s3.a0reomlmat,e,wfirdotnhtoc3l.y4pemaml.region
Distribution. IX and X Region in Chile stronglyslopingtobaseofclypeus;clypeuselongate,
slightly narrowed medially, crossed by a bridge
(Figure 32).
141
Gayana65(2), 2001
Figure 3. Scanning electron micrograph ofLynnyella concepcionensis, frontal view.
Figura 3. Fotografía al microscopioelectrónico de barrido de Lynnyella concepcionensis, vista frontal.
medially; labrum rectangular, flat, punctate, 1.8 X Elytra parallel-sided throughout second
aslongaswide;antennomeres4through 1 1 serrate; third, last third narrowed towards apex; [ELI:
antennomere 1 1 reaching posteriorangles, [AP: 9- 2.9]; elytral anterior border curved, and with
9-1 1-9-10-10-10-10-1 1-11], (Figure 5). setae long, semi-decumbent, yellowish; elytral-
Prothoraxparallel-sided; [PNI: 1.3],pronotum humeral areawithsetae semi-erect; apextruncate.
convex anteriorly, depressed posteriorly; areolate; Leg light brown, [TP: 27-19-16-12-26],
posterioranglesstronglydivergent;basallycurved; (Figure 19).
prescutal notch U-shaped; prosternum convex,
glossy, yellowish, punctures pinpoint, sparse, setae Male Genitalia. Aedeagus median lobe
long, semi-decumbent, yellowish; prosternal lobe flat, 2.7 X as long as wide, apex rounded,
not bent, rounded anteriorly, sides straight; paramere apex almost reaching median lobeapex
pronotosternal suture straight; pronotal hypomeron (Figure 26).
polished, punctate, punctures dense, setae Type material. Holotype. Chile. Male. Vi-
decumbent; hypomeral apical margin slightly lla Santa Julia, Km 25, Bulnes, 25.III.1971
elevated, extending anteriorly beyond prosternum, collector unreadable, [MNNC].
baseexcavate(Figure 12);lengthofprosternalspine Distribution. VIII Region in Chile (Figu-
afterprocoxae 1.9 X procoxal diameter; prosternal re 32).
areabetween procoxae not flat, separated by 1.3 X Etymology. This species is dedicated to
procoxal diameter. the city ofConcepción, Chile.
Scutellum U-shaped; anteriorly slightly Remarks. Lynnyella concepcionensis can
notched; 1.4Xaslongaswide;elytral-humeralarea be distinguished from other Lynnyella by the
puncture free, with thin vestiture; mesocoxae combination of its semi-stout body, posteriorly
separated by 0.7 X mesocoxal diameter; posterior depressed pronotum, and truncate elytral apex.
margin of mesosternal cavity rounded, and 1.3 X
mesocoxal diameter long.
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1
Lxwixalle n. gen. of. Chile: Arias. E.
Lynnyella diegoi new species Valparaiso,Canelillos,30.VIII.1970,MarioPino, 12.
Figures 6, 13,20,27,32 mm in length, [MNHN].
Paratypes here designated. Chile. Two males,
Male.Bodystronglyelongate;lightyellowish Leyda,XIL47,collectorunknown,[MNHN];LosCi-
brown;integumentsemi-dull; [PEI: 3.0],length 11.4 preses, 1.1969. M. Pino, [UCCC]; Curacavi, 9 km
mm, width 2.8 mm. west, atnight, 9.IX.1967. C. W. O'Brien, [UCCC].
Headpuncturesareolate,frontoclypealregion OtherMaterialStudied. Chile. Onemale:San-
stronglyslopingtobaseofclypeus;clypeuselongate, tiago, Lo Barnechea, 700 mt. [m elevation?],
crossed by a bridge medially, slightly narrowed 27.VII.67, J. Valencia, [CNCI]; two males, Santiago
medially; labrum rectangular, slightly convex, 11 Km. S Melipilla Stibick, [ISNL]; San Antonio,
punctate, 2.3 X as long as wide; antennomeres 4 Leyda, 150 mt. 15.XII.47J. Larrain, [MNHN];
through 10 serrate, antennomere 11 tubular; Valparaíso Cuesta Pucalan. 5.X.1967. L. E. Peña.
antennomeres 9 through 11 exceeding posterior [ETA].
angles, [AP: 6-9-10-10-10-10-10-11-11-13], (Figu- Distribution. V and Metropolitan Regions in
re 6). Chile (Figure 32).
Prothoraxparallel-sided; [PNI: 1.3],pronotum Etymology. This species honors my nephew
convexanteriorly;areolate;aslightlybroaddepression DiegoMartin UrrutiaArias.
covering last third of posterior pronotal surface; Remarks. Lynnyelladiegoicanbedistinguished
pronotal base curved; posterior angles strongly fromotherLynnyellabythecombinationofitsstrongly
divergent; prescutal notch U-shaped; presternum elongatebody,lightcoloration,flatpronotum,anduni-
convex, yellowish, sparse pinpoint punctures denticulateelytral apex.
yellowish setae long and semi-decumbent;
4 5 6 7 8 9 10
prosternal lobe rounded anteriorly; pronotosternal
suture straight; pronnotal hypomeron polished,
punctate, punctures dense, setae decumbent;
pronotalhypomeronapicalmarginslightlyelevated;
notextendinganteriorlybeyondpresternum;basally
bi-excavate (Figure 13); length ofprosternal spine
afterprocoxae 1.2 X procoxal diameter; prosternal
areabetween procoxae not flat, separated by 0.9 X
procoxal diameter.
Scutellumtriangular; anteriorly notched; 1.7
X as long as wide; elytral humeral area puncture
free, with thin vestiture; mesocoxae separated by
0.4 X mesocoxal diameter; posterior margin of
mesosternal cavity rounded, and 0.4 X mesocoxal
diameter long.
Elytraparallel-sidedthroughoutsecondthird,
last third strongly narrowed towards apex; [ELI:
3.0];elytralanteriorborderangulate,andwithsetae
long, semi-decumbent, yellowish; elytral-humeral
area with setae semi-decumbent; apex uni-
denticulate.
Figure4-10.AntennaeoíLynnyella species: Fig.4suturalis,
Leg light brown; tarsomeres elongate, [TP: Fig. 5 concepcionensis, n. sp., Fig. 6 diegoi n. sp.. Fig. 7
31.9-17.0-18.1-11.7-21.3], (Figure 20). geriwrdtaen.sop.,Fig.8juanjosein.sp.,Fig.9longavinensis
n.sp.,Fig. 10valenciain.sp.Scalebars:0.5mm.
MaleGenitalia.Aedeagusmedianlobeparallel-
sided,3.1 Xaslongaswide,apextruncate,paramere Fsuitguurarlais,4-1Fi0g..A5ntceonncaespcdieonleanssiess,penc.iessp..deFigL.yn6nydeilelgao:iFni.g.sp.4,
apex almostreaching median lobe apex (Figure 27). Fig. 7 gerhardtae n. sop.. Fig. 8juanjosei n. sp.. Fig. 9
Type material. Holotype. Chile. Male. Male: longavinensisn. sp..Fig. 10valenciain.sp.Escala:0.5mm.
143
1
Gayana65(2), 2001
Lynnyella gerhardtae new species Distribution. VIII Region in Chile (Figu-
Figures 7, 14,21,28,32 re 32).
Etymology. This species is dedicated to
Kath-Ann Gerhardt for her strong support and
Male. Body semi-stout; integument semi- motivation through my Ph.D. studies research.
shiny; vestiture fine, dense, semi-erect, dull, pale Remarks. Lynnyella gerhardtae can be
yellowish; [PEI: 2.9], 3.6-3.9 X, length 12.1 mm, distinguished from other Lynnyella by the
width 3.1 mm. combinationofitssemi-stoutbody,darkcoloration,
Headpuncturesareolate,frontoclypealregion strongly convex pronotum, and strongly excavate
sloping to base of clypeus, shiny; clypeus not elytral apex.
crossed by a bridge medially; labrum slightly
convex,sidesandbottombasallyrounded,rugulose,
2.1 X as long as wide; antennomere 4 conical, Lynnyellajuanjoseorum new species
antennomeres 5 through 11 serrate; antennomere Figures 8, 15, 22, 29, 32
11 notreachingapexofposteriorangles, [AP: 7-8-
10-9-10-10-10-10-15], (Figure 7). Male. Bodyelongate;darkbrown;integument
Prothoraxsidessinuate; [PNI: 1.4];pronotum semi-dull; [PEI: 1.3], length 9.8 mm, width 2.1 mm.
convex anteriorly; areolate; pronotal longitudinal Head punctures areolate; frontoclypeal
broaddepressionoverposteriorhalf;pronotalbase regionstraight;clypeuselongate,slightlynarrowed
curved;posterioranglesslightlydivergent;prescutal medially, bridged medially; labrum punctate, 2.3
notchV-shaped;prosternallobeslightlybent,sides X as long as wide; antennomeres 4 through 1
curved; prosternum strongly convex, reddish serrate, antennomere 11 reaching posteriorangles,
yellow, punctate, punctures dense, setae semi- [AP: 7-9-7-10-10-10-11-10-10-16], (Figure 8).
decumbent; pronotosternalsuturestraight;pronotal Prothoraxsidessinuate; [PNI: 1.3],pronotum
hypomeron dark brown, punctate, punctures den- convex anteriorly, depressed broadly posteriorly;
se,setaesemi-decumbent, marginatedapically,not areolate; pronotal base curved; posterior angles
elevated apically; extending anteriorly beyond strongly divergent; prescutal notch U-shaped;
prosternum; base excavate (Figure 14); length of prosternum slightly convex, brown, setae short
prosternalspine2.5Xprocoxaldiameter;prosternal semi-erect,gold;prosternalloberoundedanteriorly,
area between procoxae 1.3 X procoxal diameter. sides straight, reaching prosternal apex;
Scutellum U-shaped; 2.1 X as long as wide; pronotosternal suturestraight; pronotal hypomeron
mesocoxaeseparatedby0.9Xmesocoxaldiameter, punctate, punctures dense, setae decumbent;
posteriormarginofmesosternalcavitytruncate,and pronotalhypomeralapicalmarginnotelevated;not
0.4 X mesocoxal diameter long. extending anteriorly beyond prosternum, base
Elytra parallel-sided through second third; excavate, (Figure 15); length of prosternal spine
[ELI:2.8];elytralanteriorborderangulate,carínate, afterprocoxae 1.0Xprocoxal diameter; prosternal
setaeerect; elytral-humeral areawithoutpunctures area between procoxae flat, separated by 1.0 X
orsetae; apex strongly excavate. procoxal diameter.
Leg dark brown, [TP: 32.4-17.6-12.0-9.3- Scutellum U-shaped, 1.8 X as long as wide;
28.7], (Figure 21). mesocoxaeseparatedby0.8Xmesocoxaldiameter;
posterior margin of mesosternal cavity 0.8 X
MaleGenitalia. Aedeagusmedianlobespoon mesocoxal diameter long.
shaped, non parallel-sided, 2.6 X as long as wide, Elytra parallel-sided through second third,
apex rounded, parameres almost reaching apex of last third slightly narrowed towards apex; [ELI:
median lobe (Figure 28). 3.2]; elytral anterior border angulate, with setae
Type Material. Holotype. Chile. Male. long, semi-decumbent, yellowish; elytral-humeral
III.1984. L. E. Peña, [MNNC]. Paratypes here areawith setae semi-decumbent; apexexcavate.
designated. Chile. Twomale,LasTrancas,Nuble, Leg dark brown; [TP: 24-24-7-11-34], (Fi-
1.1990,L.E.Peña, [ETA];onefemale,Chilian,Las gure 22).
Trancas, III.1991, L. E. Peña, [ETA]. Male Genitalia. Aedeagus median lobe
144
Lynnyallen. gen. of. Chile: Arias,E.
parallel-sided,2.9Xaslongaswide,apexexcavate, Lynnyella longaviensis new species
paramere apex notreaching median lobe apex (Fi- Figures9, 16, 23, 30, 32
gure 29).
Type Material. Holotype. Chile. Male. Male. Bodystronglyelongate;lightyellowish
Melipilla, Cajón Lisboa, Alhué. 22.XII. L. E. brown;integumentsemi-dull;[PEI:3.0],length 13.3
Peña, [ETA]. Paratype here designated: El Ca- mm, width 3.1 mm.
nelo. Santiago. R. Maipo. XII.76. L. E. Peña, Head punctures areolate; clypeus elongate,
[FMNH]. slightlynarrowedmedially;labrumpunctate, 1.5 X
Other Material Studied. Chile. Male. El as long as wide, not concave; antennomere 11
Canelo, Santiago. 12.XII.1976, C. PérezdeArce, tubular,antennomere 11 exceedingposteriorangles,
[ETA]. [AP: 8-6-11-12-12-10-10-10-9-12], (Figure 9).
Distribution. MetropolitanRegioninChile Prothoraxparallel-sided;[PNI: 1.3],pronotum
(Figure 32). strongly convex anteriorly, depressed broadly
Etymology. This species honors Aurora, posteriorly;areolate;pronotalbasecurved;posterior
Roberto and their son Juan José Pinto, my anglesstronglydivergent;prescutalnotchV-shaped;
nephew. presternumslightlyconvex;prosternalloberounded
Remarks. Lynnyellajuanjoseorum can be anteriorly, sides straight; pronotosternal suture
distinguished from other Lynnyella by the divergent;pronotalhypomeronpunctate,punctures
combination of its stout body, dark brownish dense,setaedecumbent;pronotalhypomeronapical
coloration, headnotconvex, andexcavateelytral margin elevated; not extending anteriorly beyond
apex. presternum (Figure 16); length ofprosternal spine
1.0 X procoxae diameter; prosternal area between
procoxae separatedby 1.0Xprocoxal diameter.
Scutellum triangular; 1.8 X as long as wide;
mesocoxaeseparatedby0.8Xmesocoxaldiameter;
posterior margin of mesosternal cavity 0.5 X
mesocoxal diameterlong.
Elytraparallel-sidedthroughsecondthird,last
third slightly narrowed towards apex; [ELI: 2.8];
elytralanteriorborderangulate,andwithsetaelong,
erect, yellowish; elytral-humeral area with setae
semi-decumbent.
Leg dark brown; [TP: 31-19-14-9-27], (Fi-
gure 23).
Male Genitalia. Aedeagus median lobe
parallel-sided,2.6Xaslongaswide,apexconcave,
paramere apex almost reaching median lobe apex
(Figure 30). Female unknown.
Type Material. Chile. Male. Longavi.
9.X.1987. E. T. Arias. In Asparagus. [ETA].
Figure 11-17. Hypomera ofLynnyella species; Fig. 11 Paratype here designated. Chile. Male, Longavi,
suturalis. Fig. 12concepcionensis, n. sp.. Fig. 13 diegoi Light trap. 9.1.1990, E. Arias [ETA].
n. sp.,Fig. 14gerhardtaen. sp., Fig. 15juanjosein. sp., Distribution. VIIRegioninChile(Figure32).
Fig. 16longavinensis n.sp..Fig. 17valenciain.sp.Scale Etymology. This species is named after
bar 1.0mm. Longaviwhere I collected it.
Figura 11-17. Hipómeros de las especies de Lynnyella: Remarks. Lynnyella longaviensis can be
Fig. 11 suturalis, Fig. 12concepcionensis, n. sp.,Fig. 13 distinguished from other Lynnyella by the
diegoin. sp.,Fig. 14gerhardtaen. sp.,Fig. 15juanjosei combination of its elongate body, light yellowish
n. sp., Fig. 16 lmonmgavinensis n. sp., Fig. 17 valenciain. coloration and strongly excavateelytral apex.
sp,Escala: 1.0
145
Gayana 65(2), 2001
Lynnyella valenciai new species 18 19 20 21 22 23 24
Figures 10, 17,24,31,32
Male. Body strongly elongate; dark brown;
integument semi-dull; [PEI: 3.3], length 13.6 mm,
width 3.2 mm.
Headpuncturesareolate,frontoclypealregion
straight; clypeus elongate, slightly narrowed
medially; labrum punctate, 1.5 X as long as wide;
antennomere 3 through 10 senate antennomere 10
exceeding apex ofposterior angles, antennomere
11 tubularshaped, [AP: 6-8-9-10-10-12-11-10-10-
10-13], (Figure 10).
Prothorax parallel-sided; [PNI: 1.2],
pronotum convex anteriorly, depressed broadly
posteriorly; areolate; pronotal base curved; poste-
rior angles strongly divergent; prescutal notch U-
shaped;prosternumslightlyconvex;prosternallobe Figure 18-24.TarsiofLynnyellaspecies:Fig. 18suturalis,
slightly bent; pronotosternal suture divergent; Fig. 19concepcionensis, n. sp.,Fig. 20diegoin. sp.,Fig.
pronotal hypomeron punctate, punctures dense, 21 gerhardtae n. sp., Fig. 22jiianjosei n. sp., Fig. 23
longavinensis n. sp.. Fig. 24 valenciai n. sp. Scale bar
setae decumbent; pronotal hypomeron apical 0.5 mm.
marginnotelevated;extendingbeyondprosternum,
base slightly excavate (Figure 17); length of Figura 18-24.TarsosdelaespeciedeLynnyella: Fig. 18
prosternal spine 1.3 procoxae diameter; prosternal suturalis, Fig. 19 concepcionensis, n. sp.. Fig. 20diegoi
areabetweenprocoxaeseparatedby 1.0Xprocoxal Fn.igs.p.2,3Filgo.ng2a1vigneernhsairsdtna.espn...sFpi.g,.Fi2g4.v2a2lejniicainajiosn.eispn.. sEps.-.
diameter. cala: 0.5 mm.
Scutellum triangular; 2.0 X as long as wide;
mesocoxaeseparatedby0.8Xmesocoxaldiameter;
posterior margin of mesosternal cavity 0.5 X KeyforthespeciesofthegenusLynnyella.
mesocoxal diameter long.
Elytra parallel-sided through second third, 1 Clypeuscrossedbyabridgemedially 2
last third slightly narrowed towards apex; [ELI: Clypeussimple 5
2.8], apex excavate. 2 Pronotumparalle-sided.posterioranglesstrongly
Leg same as body color, [TP: 32-9-14-17- divergent,bodyslender diegoi
28], (Figure 24). Pronotal,sidessinuate,posterioranglesstout,bo-
dystout 3
Male Genitalia. Aedeagus median lobe 3 Antennomere 10-11 exceedingposteriorangles
parallel-sided,2.5 Xaslongaswide,apextruncate, 4
paramere apex almost reaching median lobe apex Antennomere 11 reachingposteriorangles
(Figure 31). Female unknown. .juanjoseorwn
Type Material. Holotype. Chile. Male: 4 Elyti-alapextruncate.Tarsomere 1 asinFig. 19
Choapa, Pichidangui, 25 mt. 11.IX.93, L. Torelli, concepcionensis
[JVC].
Distribution. IVRegioninChile(Figure32). Elytralapexexcavate,tarsomere 1 asinFig.21...
Etymology. This species honors Jorge Va- gerhardtae
lenciaforhiseffortsandworkinChileanElateridae. 5 Pronotalhypomeronbasallystraight 6
Remarks. Lynnyella valenciai can be Pronotalhypomeronbasallyexcavate
distinguished from other Lynnyella by the suturalis(Candéze)n.comb.
combination of its elongate body, dark brownish 6 Scutellumtriangular longaviensis
coloration, and excavate elytral apex. ScutellumU-shaped valenciai
146
