ENTO 301 Lab 1 Exam

Eosentomidae

• Use forelegs as antennae

• Entognatha: mouthparts are inside their head capsule

• Wingless

• Pseudoculus

Hypogastruridae

•1st  thoracic segment is distinct

– Visible dorsally

– With setae

•Furcula often reduced or lacking

Isotomidae

•1st  thoracic segment  not distinct:

– Often not visible dorsally

– Without dorsal setae

Sminthuridae

Globular body with fused abdominal segments

• Antennae longer than head

• Developed furcula and “eyes” present

Campodeidae

-No eyes, no tentorium, two prominent cerci

-moniliform antennae

-Prognathous

-Cerci similar in appearance to antennae

Japygidae

-No eyes, no tentorium, two prominent cerci

•moniliform antennae

-Prognathous

-Cerci are hooks/claw-like

Machilidae

•Scales on basal segments of antennae

•These sterna large, triangular

“hump-backed”

• styli on abdomen mandibles w/1 condyle (monocondylic)

Lepismatidae

Compound eyes, but no ocelli

- Scaly body

• abdomen with 3 caudal filaments (median + 2 cerci) and varying number styli

• body flattened (depressed) and often covered with scales Mandibles with 2 condyles (dicondylic)

Ephemeridae

Bases of MP2 and CuA veins in fore wing strongly curved and diverging from MP1

Complex wing venation

Vein MA of forewing forked

Triangular head

• Legs well developed

• Slender bodied, no projections on tergum

Caenidae

•3 caudal filaments

no hindwing, very small

-minimal wing venation

Heptageniidae

•2 caudal filaments

•two pairs of cubital intercalaries that are parallel

•MA in hind wing usually forked

Boomerang head (Hammerhead Shark)

Coenagrionidae

•fore and hind wings similar in shape

•wings held vertically above body at rest

•naiads with 3 leaf-like gills at apex of abdomen

Gomphidae

-Triangles similar on fore and hindwings (usually two)

-eyes separated

-Hindwings wider at base than forewings

-Wings held horizontally at rest

Aeshnidae

-Triangles similar on fore and hindwings (More than two triangles)

-Eyes contiguous

-Hindwings wider at base than forewings

-Wings held horizontally at rest

Libellulidae

-Hindwing venation shows the “boot”

-Hindwings wider at base than forewings

-Wings held horizontally at rest

Pseudophasmatidae

•Mesothorax never more than 3 times as long as the prothorax

Heteronemiidae

•Mesothorax at least 4 times as long as prothorax

Grylloblatodea (Family: Grylloblattidae)

•Wingless

•5-segmented tarsi

•Long cerci

•Antennae long, filiform

•Eyes reduced or absent; no ocelli

•Sword shaped ovipositor

Forficulidae

•Distal extension of second tarsal segment dilated and broader than third segment. (Looks like it’s in a socket)

•Antennae with 12-16 segments

Anisolabididae

•Antennae with 14-24 segments

•Tegmina are rounded flaps that don’t meet at inner basal margins, or absent

•Right forceps of male more strongly curved than left

Labiduridae

•Antennae 25-30 segments

•No dilated second tarsal segment

•Pronotum light brown with 2 dark stripes

Perlidae

•Labium: glossae small, posterior to paraglossae

–appears to have two terminal lobes

Remnants of gills on thorax

Wings have sharp shapes

Nemouridae

•Labium: glossae and paraglossae about the same size

–appearing like 4 lobes

Wings flat at rest, with apical crossvein

Wings form X-shape and have rounder shapes

Mantidae

•Fore legs raptorial

•Elongate prothorax

•Cerci present,

multi-segmented

•Usually winged,

some wingless

•Pronotum distinctly longer than wide.

Blattidae

•Female: subgenital plate divided longitudinally;

•Male: styli slender, elongate

Front femur with spines along whole femur

Ventroposterior margin of front femur with spines decreasing gradually in size and length or nearly equal in length

Blatellidae

•Female: subgenital plate entire

•Male: often styli small, irregular, not noticeable

spines on femora variable

• Front femur with 2 or 3 apical spines, heavy spines proximally and more slender/shorter distally

Polyphagidae

•No spines on mid or hind femora for many species

•Often found associated with ants and in dry environments

-Typically very round

Zorotypidae

•Minute, 3mm or less

•Very reduced wing

venation (if wings present)

•Cerci present

•9-segmented antennae (moniliform)

•2 segmented tarsi, each tarsus with 2 claws

Termitidae

•Winged Adults: Scale on forewing shorter than pronotum, pronotum saddle-shaped.

•Soldiers may be nasute or “regular”

•Nasutes: Head modified into nose-like projection, narrowed anteriorly.

•Soldiers: Mandibles with only 1 prominent tooth.

Rhinotermitidae

•Winged Adults:

Scale on forewing

longer than pronotum

Pronotum flat

•Soldier: Large

mandibles without

marginal teeth

Head longer than broad

Phlaeothripidae

Last abdominal segment tube-like

Thripidae

•Antennae with segments

3 and 4 containing a slender

or forked sense cone

-Last abdominal segment ends in a tip

Liposcelididae

•Hind femur swollen

•Sometimes wingless

• Meso- and metathorax fused

• 8 or more smaller occelli precede two large elements

• Thoracic sterna broad and with setae

Psocidae

• Sclerotized arch on labrum

• Mandibles short

• Tarsi 2-segmented

•Cubital loop always joined to M for a distance in the fore wing.

Menoponidae

•Antennae difficult to see - in grooves under head

•Head triangular (UFO)

Trichodectidae

•Filiform antennae

•Tarsi with one claw

-Hairy

-Head as wide or wider than thorax

Pediculidae

• Head about as long as thorax, but narrower than prothorax

• Haustellate mouthparts

• Antennae exposed

• Head with eyes, but without ocular points

• Abdomen longer than basal width

• Middle and hind legs not stouter than front

Pthiridae

•Abdomen not longer than basal width

•Lateral lobes

•Mid and hind legs expanded.

Anisembiidae

•Fore-basitarsus globose and containing silk glands

•No ocelli

Gryllidae

•Long antennae

•Generally quadrate pronotum

•Tegmina positioned flat across the dorsum

•Long cerci

•Needle-like ovipositor in females

Gryllotalpidae

•Small and conical head

•Legs modified for digging and burrowing

•Hind legs not modified for jumping

Tettigoniidae

•Tegmina that are held roof-like over the abdomen

•Sword-like ovipositor in females

Raphidophoridae

•Wingless

•Lack of hearing organs

•Elongated hind legs

Tetrigidae

•Pygmy grasshoppers

•Pronotum extended over the abdomen

Tridactylidae

•Pygmy mole crickets

•Generally small (less than 1cm)

•Prognathous mouthparts

•Forelegs well-modified for digging

Acrididae

•Tarsi 3 or 4 segmented

•Antennae shorter than body

•Immovable spine on inner tibia