Insect Orders

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Last updated 4:52 PM on 10/8/26

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19 Terms

1

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Ephemeroptera

Mayflies

Incomplete metamorphosis

Front wings larger than hind wings

Vestigial adult mouthparts

Immatures aquatic, adults terrestrial

<p>Mayflies </p><p>Incomplete metamorphosis </p><p>Front wings larger than hind wings </p><p>Vestigial adult mouthparts </p><p>Immatures aquatic, adults terrestrial </p><p></p><p></p>

2

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Odonata

Dragonflies and damselflies

Incomplete metamorphosis

Front and hind wings similar size, membranous

Chewing mouthparts

Damselfly wings narrow near base

<p>Dragonflies and damselflies</p><p>Incomplete metamorphosis</p><p>Front and hind wings similar size, membranous</p><p>Chewing mouthparts</p><p>Damselfly wings narrow near base</p><p></p><p></p><p></p>

3

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Plecoptera

Stoneflies

Incomplete metamorphosis

4 membranous wings

Stone colored and chunky

2 cerci on end of abdomen

<p>Stoneflies</p><p>Incomplete metamorphosis </p><p>4 membranous wings</p><p>Stone colored and chunky </p><p>2 cerci on end of abdomen </p>

4

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Orthoptera

Grasshoppers, crickets, katydids

Gradual metamorphosis

Leathery front wings, membranous hind

Chewing mouthparts

Front wings often narrow and parchment like

Hind wings fold like fans

<p>Grasshoppers, crickets, katydids</p><p>Gradual metamorphosis </p><p>Leathery front wings, membranous hind </p><p>Chewing mouthparts</p><p>Front wings often narrow and parchment like</p><p>Hind wings fold like fans </p><p></p>

5

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Phasmatodea

Walkingsticks

Gradual metamorphosis

0 or 4 membranous wings

Chewing mouthparts

Looks like stick

<p>Walkingsticks </p><p>Gradual metamorphosis </p><p>0 or 4 membranous wings </p><p>Chewing mouthparts</p><p>Looks like stick </p>

6

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Blattodea

Cockroaches

Gradual metamorphosis

Front wings leathery, hind membranous

Chewing mouthparts

Flattened body and hidden head

<p>Cockroaches</p><p>Gradual metamorphosis </p><p>Front wings leathery, hind membranous</p><p>Chewing mouthparts</p><p>Flattened body and hidden head </p>

7

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Mantodea

Mantids

Gradual metamorphosis

Leathery front and membranous hind wings

Chewing mouthparts

Grasping front legs

<p>Mantids</p><p>Gradual metamorphosis </p><p>Leathery front and membranous hind wings </p><p>Chewing mouthparts</p><p>Grasping front legs </p>

8

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Dermaptera

Earwig

Gradual metamorphosis

Chewing mouthparts

Front wings are short and thick

Hind wings membranous and fold under front

Forcept-like cerci on abdomen

<p>Earwig</p><p>Gradual metamorphosis</p><p>Chewing mouthparts</p><p>Front wings are short and thick</p><p>Hind wings membranous and fold under front</p><p>Forcept-like cerci on abdomen</p>

9

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Thysanoptera

Thrips

Gradual metamorphosis

Piercing-sucking mouthparts

When winged are fringed with feathery hairs

Smallish and slender with dark and light bands ending in little tube

<p>Thrips</p><p>Gradual metamorphosis</p><p>Piercing-sucking mouthparts</p><p>When winged are fringed with feathery hairs</p><p>Smallish and slender with dark and light bands ending in little tube </p>

10

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Isoptera

Termites

Gradual metamorphosis

Only reproductive have wings, membranous

Chewing mouthparts

Ant-like but have no narrow waist and straight bead-like antennae

<p>Termites</p><p>Gradual metamorphosis</p><p>Only reproductive have wings, membranous</p><p>Chewing mouthparts</p><p>Ant-like but have no narrow waist and straight bead-like antennae</p>

11

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Hemiptera

Suborder Heteroptera

True bugs

Gradual metamorphosis

0/4 wings, front hemelytra, hind membranous

Piercing-sucking mouthparts

Wings held flat over abdomen

Mouthparts are beak from front of head

<p>True bugs</p><p>Gradual metamorphosis</p><p>0/4 wings, front hemelytra, hind membranous</p><p>Piercing-sucking mouthparts</p><p>Wings held flat over abdomen</p><p>Mouthparts are beak from front of head</p>

12

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Hemiptera

Suborder Auchenorrhyncha

Cicadas, hoppers

Gradual metamorphosis

0,2, or 4 membranous wings

Piercing- sucking mouthparts

Wings help roof-like above abdomen

Mouthparts are a beak from back of head

<p>Cicadas, hoppers</p><p>Gradual metamorphosis </p><p>0,2, or 4 membranous wings</p><p>Piercing- sucking mouthparts</p><p>Wings help roof-like above abdomen </p><p>Mouthparts are a beak from back of head </p>

13

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Hemiptera

Suborder Sternorrhyncha

Psyllids, aphids, scales

Gradual metamorphosis

0,2, or 4 membranous wings

Piercing-sucking mouthparts

Wings held roof-like above abdomen

Mouthparts beak from back of head

Small

<p>Psyllids, aphids, scales</p><p>Gradual metamorphosis </p><p>0,2, or 4 membranous wings</p><p>Piercing-sucking mouthparts</p><p>Wings held roof-like above abdomen </p><p>Mouthparts beak from back of head </p><p>Small</p>

14

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Trichoptera

Caddisflies

Complete metamorphosis

4 somewhat moth-like hairy wings held roof-like over abdomen

Larval chewing, adult vestigial mouthparts

Small-medium size with drab color

<p>Caddisflies</p><p>Complete metamorphosis </p><p>4 somewhat moth-like hairy wings held roof-like over abdomen </p><p>Larval chewing, adult vestigial mouthparts</p><p>Small-medium size with drab color</p>

15

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Neuroptera

Lacewings, antlions, dobsonflies, alderflies

Complete metamorphosis

4 membranous wing with many fine veins

Chewing mouthparts

<p>Lacewings, antlions, dobsonflies, alderflies </p><p>Complete metamorphosis </p><p>4 membranous wing with many fine veins </p><p>Chewing mouthparts</p><p></p>

16

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Coleoptera

Beetles and weevils

Complete metamorphosis

4 wings with the front hardened (elytra)

Chewing mouthparts

Front wings form straight like down back

<p>Beetles and weevils</p><p>Complete metamorphosis </p><p>4 wings with the front hardened (elytra) </p><p>Chewing mouthparts </p><p>Front wings form straight like down back </p>

17

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Diptera

True flies

Complete metamorphosis

2 membranous wings with 2 halteres

Generally sponging or piercing-sucking

<p>True flies</p><p>Complete metamorphosis </p><p>2 membranous wings with 2 halteres </p><p>Generally sponging or piercing-sucking </p><p></p><p></p>

18

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Hymenoptera

Bees, wasps, ants, sawflies

Complete metamorphosis

0 or 4 wings, front larger than hind

Defined waist except sawflies

Sawfly larvae have more than 5 pair prolegs

<p>Bees, wasps, ants, sawflies</p><p>Complete metamorphosis </p><p>0 or 4 wings, front larger than hind </p><p>Defined waist except sawflies </p><p>Sawfly larvae have more than 5 pair prolegs </p>

19

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Lepidoptera

Butterflies and moths

Complete metamorphosis

4 scale-covered wings

Siphoning mouthparts

Caterpillars have 5 or fewer prolegs

<p>Butterflies and moths </p><p>Complete metamorphosis </p><p>4 scale-covered wings </p><p>Siphoning mouthparts </p><p>Caterpillars have 5 or fewer prolegs </p>