Ento 2026

Order Protura

(telsontails, proturans)

Subclass Collembola

(springtails, snow fleas)

Order Diplura

(diplurans)

Order Archaeognatha

(bristletails)

• 3 tail structure, middle is longest

Order Zygentoma

(silverfish, firebrats)

• 3 tail structure, all are the same length

Order Ephemeroptera

(mayflies)

Order Ephemeroptera — nymph

(mayflies)

Family Aeshnidae

Darners

• Eyes meet on dorsal (top) of head

Family Aeshnidae — Nymph

Darners

Family Gomphidae

(clubtails)

• Eyes do not touch

Family Gomphidae — Nymph

(clubtails)

Family Libellulidae

(skinners)

• Short abdomen

Family Libellulidae — Nymph

(skinners)

Family Lestidae

(spread-wing)

• Bluish-green eyes on the sides of their heads with big offset

Family Lestidae — Nymph

(spread-wing)

Family Coenagrionidae

(narrow-winged)

• Rest with closed wings

• Eyes less offset

• Short legs

Family Coenagrionidae

(narrow-winged)

Family Termitidae
(termites)

Family Blattidae

(household roaches)

Family Cryptocercidae

(brown-hooded roaches)

Order Mantodea

(mantids)

Order Embioptera

(webspinners)

Order Dermaptera

(earwigs)

Order Plecoptera

(stoneflies)

Order Plecoptera — Nymph

(stoneflies)

Family Tetrigidae

(pygmy grasshopper)

• Long pronotum and thorax past abdomen, 

• Mimics leaves, stones or twigs

Family Acrididae

(short-horned grasshoppers)

• Short antennae

Family Tettigoniidae

(katydids)

• Leaf-like

• Sickle-shaped ovipositors

• Long antennae

Family Rhaphidophoridae

(camel crickets)

• Humpbacked 

• Small spines on tarsus

• Wingless

Family Gryllidae

(crickets/tree crickets)

• Bigger spines on tarsus

• Black or brown

• Small wings

Family Gryllotalpidae

(mole crickets)

• Sclerotised cylindrical-bodied