subphylum uniramia class insectaw3.marietta.edu/~mcshaffd/invert/13insects2_2002.pdf · subphylum...

Dave McShaffreyBiology Department

Marietta CollegeFall, 2002

Subphylum UniramiaClass Insecta

II. Orders Mallophaga, Anoplura, Thysanoptera, Hemiptera, Homoptera,

Neuroptera and Coleoptera

Tuesday, October 17, 2000

Order Mallophaga Chewing Lice

• Mal-lof’ a-ga Gr. mallos, wool + phagein, to eat

• direct development• to 6 mm• no wings, wide head with chewing

mouthparts, legs adapted for clinging to host• ectoparasites of mammals and birds • feed on hair and feathers• 5,500 species (including Anoplura)

Order Anoplura - Sucking Lice• An-o-plu’ ra Gr. anoplus, unarmed + oura, tail

• direct development• to 6mm• no wings, narrow head with sucking

mouthparts, legs adapted for clinging to host• ectoparasites of mammals, feed on blood • 5,500 species (including Mallophaga)

Pediculidae - Pediculus humanus

Human Body Louse

Pediculidae - Pediculus humanus

Human Head Louse

Pthiridae - Pthirus pubusHuman Crab Louse

Order Thysanoptera - Thrips

• Thy-sa-nop’ ter-a Gr. thysanos, tassel + pteron, wing

• direct development• 0.5 to 5 mm• wingless or with long fringes of hair on wings• conelike, sucking mouthparts • terrestrial, most herbivorous, some

insectivorous• 4,000 species

Order Hemiptera - True Bugs

• He-mip’ ter-a Gr. hemi, half + pteron, wing• direct development• 2 to 100 mm• front wings with leathery basal portion and

membranous distal portion, sucking mouthparts

• wings lacking in some • most terrestrial, herbivorous or predaceous• 50,000 species

Pentatomidae

Green Stink Bug

Pentatomidae

Brown Stink Bug

Gelastocoridae

Toad Bug

Gerridae

Water Strider

Belastomatidae

Giant Water Bug

Coreidae

Leaf-Footed Bug

Order Homoptera Cicadas, Aphids, Scale Insects, Leafhoppers, Treehoppers

• Ho-mop’ ter-a Gr. homos, same + pteron, wing• direct development• small to large• membranous or thickened forewings,

membranous hindwings, sucking mouthparts originating on rear of head

• wings lacking in many, some with only 2 wings • terrestrial, herbivorous• 32,000 species

Cicadellidae

Leafhopper

Cercopidae

Froghopper (Spittlebug)

Flatidae

Flatid Planthopper

Membracidae

Treehopper

Membracidae - Platycotis vittata

Oak Treehopper

Membracidae - Platycotis vittata

Oak Treehopper(juveniles)

Cicadidae - Tibicen sp.

Dog-Day Cicada

Nymph

Emerging adult


Dog-Day Cicada

Emerging adult


Dog-Day Cicada

Ventral View Mouthparts


Dog-Day Cicada

Adult

Cicadidae - Magicicada sp.

Periodical Cicada

Adult

Aphidae

Aphids

Aphidae

Aphid

Aphidae

Aphids

Aleyrodidae

Whitefly

Scale Insects

Order Neuroptera Dobsonflies, Alderflies, Ant Lions, Lacewings

• Neu-rop’ ter-a Gr. neuron, nerve + pteron, wing

• indirect development• medium to large sized• membranous wings with many cross veins,

chewing mouthparts, often with enlarged mandibles

• terrestrial and aquatic (larvae), predaceous• 4,670 species

Corydalidae - Corydalus sp.

Dobsonfly (larva)

Sialidae - Sialis sp.

Alderfly (larva)

Sialidae - Sialis sp.

Alderfly (adult)

Green Lacewing (adult)

Crysopidae

Order Coleoptera Beetles, Fireflies, Weevils

• Ko-le-op’ ter-a Gr. koleos, sheath + pteron, wing

• indirect development• among the smallest and largest insects• front wings (elytra) hardened, rear wings

membranous and folded under elytra• chewing mouthparts • all habitats, some parasitic• 300,000+ species (largest order of animals)

Tenebrionidae - Tenebrio molitorMealworm

Pupa

Larva

Adult

Psephenidae - Psephenus herricki

Water Penny Larva, dorsal view

Psephenidae - Psephenus herricki

Water Penny Larva, ventral view

Lampyridae

Glowworm

Larva, lateral viewAnterior

Lampyridae

Glowworm

Larva, dorsal view

Anterior

Lampyridae - Photinus sp.

Firefly or Lightningbug

Adult, dorsal viewAnterior

Carabidae

Ground Beetle

Cincindelidae - Cincindela sexgutatta

Tiger Beetle

Cincindelidae - Cincindela duodecimgutatta

Tiger Beetle

Scarabidae

Scarab Beetles

Scarabidae - Polyphylla decemlineata

Scarab Beetle

Scarabidae - Popillia japonica

Japanese Beetle

Silphidae - Silpha americana

Carrion Beetle

Silphidae - Nicrophoris orbicollis

Sexton Beetle

Gyrinidae - Dineutes sp.

Whirligig BeetleLarva, dorsal view

Anterior

Gyrinidae

Whirligig Beetle

Haliplidae - Peltodytes sp.

Crawling Water Beetles

Hydrophilidae

Water Scavenger Beetle

Larvae, lateral view

Anterior

Hydrophilidae

Water Scavenger Beetle

Elmidae - Stenelmis sp.

Riffle Beetle

Larvae, dorsal and lateral views

Anterior

Elmidae - Stenelmis sp.

Riffle Beetle

Adults, dorsal and ventral views

Anterior

Lycidae - Calopteron terminatum

Net-winged Beetle

Adult showing elytra and membranous hind wings

Cerambycidae - Megacyllene robinae

Locust Borer Beetles

Mating adults; male is dorsal

Cerambycidae - Oberea sp.

Long-horned BeetleAdult, on Sassafras sp.

Anterior

Buprestidae

Metallic Wood-boring Beetle

Larvae being attacked by ant.

Anterior

Buprestidae

Metallic Wood-boring Beetle

Adult

Cantharidae - Chauliognathus pennsylvanicus

Soldier Beetle

Coccinellidae

Ladybird Beetle

Elateridae

Click Beetle

ElateridaeClick Beetle

Chrysomelidae - Diobrotica undecimpunctata

12-spotted Cucumber Beetle(Southern Corn Rootworm)

Chrysomelidae - Leptinotarsa undecemlineata

Colorado Potato Beetle(larva)

Chrysomelidae - Leptinotarsa undecemlineata

Colorado Potato Beetle(Adult)

Chrysomelidae - Chrysochus auratus

Dogbane Leaf Beetle

Mordellidae - Mordella sp.

Tumbling Flower Beetle

Staphylinidae - Creophilus maxillosus

Rove Beetle

Staphylinidae

Rove Beetle

Curculionidae

Weevil

Curculionidae - Conotrachelus nenuphar

Plum Curculio

Larva, lateral/ventral view

Anterior

Curculionidae - Curculio sp.

Acorn Weevil

Rhipiphoridae

Wedge-shaped Beetle

The End.

Chapter 20

Integrated Principlesof Zoology

Eleventh Edition

Hickman/Roberts/Larson(c) The McGraw-Hill Companies, Inc.

subphylum uniramia class insectaw3.marietta.edu/~mcshaffd/invert/13insects2_2002.pdf · subphylum...

Documents