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Lab Quiz 11 Review. 10 questions (5 on order/family; 5 on order/family and species) Study power points and lab quizzes 6, 7, 9, 10 Study lab gallery, http://www.entomology.umn. edu/cues/4015/lab/photos.htm

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lab quiz 11 review
Lab Quiz 11 Review
  • 10 questions (5 on order/family; 5 on order/family and species)
  • Study power points and lab quizzes 6, 7, 9, 10
  • Study lab gallery, http://www.entomology.umn.edu/cues/4015/lab/photos.htm
  • Be familiar with orders, families, and selected species on the lab quizzes and in this slide show (families and species to know are in blue)
  • Recognize selected damage
  • Distinguish between caterpillars (order Lepidoptera) and sawfly larvae (order Hymenoptera)
slide2

Order Hemiptera: Suborder Sternorrhyncha:Wings not hardened, sometimes membranous or wingless; sucking mouthparts (stylets); incomplete metamorphosisFamily Adelgidae: Adelgids; form galls or secrete waxSpecies: Cooley spruce gall adelgid, Adelges cooleyiSpecies: Eastern spruce gall adelgid, Adelges abietisDamage: Green galls that turn brown after insects emerge;Cooley on shoot tips and eastern at shoot base

Cooley

Eastern

John A. Weidhass, Virginia Polytechnic Institute and State University, www.insectimages.org

E. Bradford Walker, Vermont Department of Forests, Parks and Recreation, www.insectimages.org

slide3

Order Hemiptera: Suborder Sternorrhyncha:Wings not hardened, sometimes membranous or wingless; sucking mouthparts (stylets); incomplete metamorphosisFamily Psyllidae: PsyllidsSpecies:Hackberry nipple gall maker,Pachypsylla celtidismammaDamage: Nipple galls onhackberry leaves

slide4

Order Hemiptera: Suborder Auchenorrhyncha: Active insects, wings not hardened, sometimes membranous or wingless; sucking mouthparts (stylets); incomplete metamorphosisFamily Cicadidae: Cicadas; family character: large insects with membranous wings held roof-like over body

Pictured:Periodical cicada,Magicicada septendecimSusan Ellis, www.insectimages.org

slide5

Order Hemiptera: Suborder Heteroptera: Forewings hardened basally (hemelytra) forming figure-8 when folded; piercing-sucking mouthparts (beaks); incomplete metamorphosis Family Tingidae: Lace bugs; family character: small bugs with a “lacey” appearance

Pictured:Sycamore lace bug, Corythucha ciliataLouis-Michel Nageleisen,Département de la Santé des Forêts, www.insectimages.org

slide6

Order Coleoptera: Forewings modified as elytra; come together to form a straight line; chewing mouthparts; complete metamorphosisFamily Curculionidae: Weevils; family character: head extended into snout

Above: bluegrass billbug, Sphenophorus parvulusRight: black vine weevil, Otiorhynchus sulcatus

slide7

Order Coleoptera: Forewings modified as elytra; come together to form a straight line; chewing mouthparts; complete metamorphosisFamily Cerambycidae:Longhorned beetles orroundheaded wood borers;family character: strongmandibles, extremelylong antennae, roundexit hole in wood

Pictured: Roundheadedappletree borer,Saperda candida Pennsylvania Department of Conservation and Natural Resources - Forestry Archives, Pennsylvania Department of Conservation and Natural Resources, www.insectimages.org

slide8

Order Coleoptera: Forewings modified as elytra; come together to form a straight line; chewing mouthparts; complete metamorphosisFamily Buprestidae: Metallic wood borers or flatheaded wood borers; family character: bullet-shaped with short antennae, D-shapedexit hole in wood

Pictured: Flatheadedappletree borer, Chrysobothris femorataJoseph Berger, www.insectimages.org

slide9

Order Coleoptera: Forewings modified as elytra; come together to form a straight line; chewing mouthparts; complete metamorphosisFamily Scarabeidae: Scarab beetles; family characters: lamellate antennae (adults) and C-shaped larvae

antenna

larva

order coleoptera family scarabeidae scarab beetles
Order Coleoptera:Family Scarabeidae: Scarab beetles

Species: Japanese beetle, Popillia japonicaSpecies character:5 tufts of white hairs on abdomen

antenna

Species:May/June beetle, Phyllophaga sp.Species character:Large, brown beetle

slide11

Order Lepidoptera:2 pair of wings with scales; larvae with chewing mouthparts; complete metamorphosisFamily Sesiidae: Clearwing borers; family character: adults are small with clear areas on wings and mimic wasps, antennaefiliform, sometimeswith gradual club

Pictured:Lilac/ash borer,Podosesia syringaeJames Solomon, USDA Forest Service, www.insectimages.org

slide12

Order Lepidoptera:2 pair of wings with scales; larvae with chewing mouthparts; complete metamorphosisFamily Geometridae: Inchworm moths; family character: larvae have only 2 or 3 pairs of prolegs; wingless adult females in some species

Pictured: Fall cankerworm,Alsophila pometaria*USDA Forest Service - Ogden Archives, USDA Forest Service, www.insectimages.org

*you need to know cankerworm in general, but do not need to distinguish between spring and fall cankerworm

slide13

Order Lepidoptera:2 pair of wings with scales; larvae with chewing mouthparts; complete metamorphosisFamily Lymantriidae:Tussock mothsSpecies: Gypsy moth,Lymantria disparLarval species character:hairy with 4 pairs of blueand 6 pairs of red spots

Pennsylvania Department of Conservation and Natural Resources - Forestry Archives, Pennsylvania Department of Conservation and Natural Resources, www.insectimages.org

slide14

Order Lepidoptera:2 pair of wings with scales; larvae with chewing mouthparts; complete metamorphosisFamily Lasiocampidae: Tent caterpillarsSpecies: Forest tent caterpillar, Malacosoma disstriaLarval species character: white “keyhole” markings Species: Eastern tent caterpillar, M. americanumLarval species character: white dorsal stripe

ETC: dorsal stripe

FTC: keyholes

Ronald F. Billings, Texas Forest Service, www.insectimages.org

how to distinguish between caterpillars order lepidoptera and sawfly larvae order hymenoptera
How to distinguish between caterpillars (order Lepidoptera) and sawfly larvae (order Hymenoptera)

David Laughlin

Caterpillars (top) have 2 to 5 pairs of prolegs, whereas sawfly larvae (bottom) have more than 5.

Also, sawfly larvae lack crochets on their prolegs