Insect diversity, taxonomy, and systematics

178 Pages·2015·13.1 MB·English

Protura, Collembola, Diplura
6-segmented
abdomen; furca and
retinaculum;
collophore on A1
http://www.cals.ncsu.edu/course/ent425/
Isotomidae
Sminthuridae
Archaeognatha and Zygentoma
flattened; 3 terminal filaments; eyes
arched trunk; 3 terminal filaments;
reduced or absent; dicondylic mouthparts
dorsally contiguous eyes; styli on A1-9;
monocondylic mouthparts
Long narrow wings (4); slender, elongate abdomen,
large compound eyes, short bristle-like antennae, cerci Zygoptera: front and hind
unsegmented and function as claspers.
wings similar in shape and
narrow at base

Coenagrionidae
Cu1 + Cu2 well developed
(well beyond arculus)
Anisoptera
hindwings wider at base

Libellulidae: toe well
developed on anal loop; no
notch on rear wing anal angle
Zygoptera

Odonata:
Libellulidae
Coenagrionidae
Short filiform or setaceous
Ephemeroptera
antennae; mesothorax enlarged
with large triangular
forewings; hindwings small or
absent; A10 with long cerci
and often with medial filament
Order: Zoraptera
“Pure-wingless”

Characters:

• 39 species worldwide, mostly tropical
•3 mm or less in length
•Short cerci and antennae
•small colonies beneath rotting wood
•detritivores and predators (on Collembola and mites)
Dermaptera
short elytra meeting dorsally in a straight line;
cerci well-developed and forceps-like;
antennae filliform and about ½ length of body
or less