Lab final - Lab 2 Flashcards
Entognatha (mouthparts within folds of the head); elongated body; distinct conical head; lacking antennae & eyes; forelegs are enlarged and held forward. Cerci absent
Order Protura (Proturans)
Entognathous; body globular or elongated; variable in color; abdomen has forked structure (furcula) on ventral side of fourth abdominal segment and ventral tube (collophore) on first abdominal segment
Order Collembola (Springtails)
Entognathous; long slender antennae; compound eyes and ocelli are absent; abdomen with two prominent cerci
Order Diplura (diplurans)
Ectongathous; chewing mouthparts developed but weak; body cylindrical; thorax arched dorsally; body covered with scales; large compound eyes often touching the middle; ocelli present; long antennae; medial caudal filament and cerci present (cerci shorter)
Order Archaeognatha (bristletails)
(same as bristletails except) body elongated and somewhat flattened; compound eye are small and widely separated or sometimes absent; ocelli present or absent; cerci almost equal to medial caudal filament; abdominal appendages present
Order Zygentoma
Silverfish (covered with silvery scales) & firebrats (yellowish-brown body)
Four membranous wings with many veins, forewings are large & triangular, hind wings are small & rounded; antennae small, bristelike; mouthparts vestigial; male compound eyes large, female smaller; front legs in front of body
Look like damselflies with long caudal filaments/cerci and forelegs in front
Nymphs: chewing mouthparts, naiads, modified labium
Order Ephemeroptera (mayflies)
Forewings and hindwings dissimilar in size and shape, base of hindwings wider than forewings; elongated head (same width as thorax)
Naiads: stout body; head narrow; gill pads in rectum
Order Odonata Suborder Anisoptera (dragonflies)
Often brightly colored; 2 pairs of elongated, veined wings; large compound eyes; small antennae; chewing mouthparts; small thorax; long/slender abdomen; cerci are clasping in males
Order Odonata
Forewings and hindwings similar in size/shape; base of wings narrow; head transversely elongated (wider than thorax)
Naiad: slender body; head wider than thorax; leaflike gills
Order Odonata Suborder Zygoptera (damselflies)
Body elongated; cylindrical and sticklike
Order Phasmatodea
Walking stick
One Candian species (Diapheromera femorata; Northern walking stick)
Body flattened, leaf-like; don’t always have wings (if do forewings are leathery (tegmina)); chewing mouthparts; compound eyes are small; males: antennae long and slender, females: antennae shorter; short cerci; concealed ovipositor
Order Phasmatodea
Leaf insect
Four wings; forewings leathery/thickened (tegmina); hind wings membranous, folded beneath forewings; chewing mouthparts; hind legs enlarged (saltatorial); cerci well developed
Order Orthoptera
Often gray/brown; hind wings colorful; antennae much shorter than body; thick/stout ovipositor; tympana on sides of first abdominal segment; males have stridulatory organs; three or less segmented tarsi
Order Orthoptera Suborder Caelifera (Short-horned orthoptera)
Same as caelifera description. Tympanum present on first abdominal segment
Order Orthoptera Suborder Caelifera Family Acrididae (grasshoppers)
Large, colorful caelifera
Order Orthoptera Suborder Caelifera Family Romaleidae (lubber grasshopper)
Pronotum extends over abdomen; tegmina reduced; no auditory/stridulatory organ
Order Orthoptera Suborder Caelifera Family Tetrigidae (pygmy grasshopper)
Often green/brown; long/fine antennae; tympana at base of front tibiae; stridulatory organs on forewings in males
Order Orthoptera Suborder Ensifera (long-horned orthoptera)
Robust; black/brown; ovipositor is needelike
Order Orthoptera
Suborder Ensifera
Family Gryllidae (field/house crickets)
In family Gryllidae; slender, whitish or pale green; transparent forewings
Order Orthoptera
Suborder Ensifera
Family Gryllidae
Subfamily Oecanthinae (tree cricket)
Usually green; laterally flattened; long, thick ovipositor, sometimes curved upward
Order Orthoptera
Suborder Ensifera
Family Tettigoniidae (katydids)
Humpbacked shape; wingless
Order Orthoptera
Suborder Ensifera
Family Rhaphidophoridae (camel cricket)
Head and abdomen large; short legs; wingless
Order Orthoptera
Suborder Ensifera
Family Stenopelmatidae (Jerusalem cricket)
Enlarged digging (fossorial) legs; finely haired
Order Orthoptera
Suborder Ensifera
Family Gryllotalpidae (mole cricket)
Body slender, elongated, finely haired and pale; wingless; small/no eyes; no ocelli; antennae long and filiform; chewing mouthparts; long cerci
Order Grylloblattodea (rock crawler)