INSECT CLASSIFICATION

KIND PHILLIP CAME OVER FOR GOOD SPAGHETTI !!!

Phyllum Arthropoda

• Exoskeleton• Segmented legs & body• Bilateral symmetry • Ventral nerve cord • Dorsal blood pump

Class Arachnida (arachnids): spiders, scorpions, ticks, mites, etc.Arachnids possess: 2 body segments - cephalothorax and abdomen 8 legs; 1 pair of chelicerae; no antennae

Class Chilopoda (centipedes)Chilipods possess: many body segments 1 pair of legs per body segment; 1 pair of antennae 1st pair of legs modified into venomous fangs

Class Diplopoda (millipedes)Diplopods possess: Many body segments 2 pair of legs per body segment; 1 pair of antennae

Class Crustacea (crustaceans): crabs, shrimp, barnacles, sowbugs, etc.Crustaceans possess: Several body segments - head, thorax and abdomen Segments may be fused; Varied number of legs 2 pairs of antennae

Class Insecta (Insects); beetles, bugs, wasps, moths, flies, etc.Insects possess: 3 body segments 6 legs 1 pair of antennae Diverse modifications to appendages

KINGDOM

DIVISION

CLASS

SPECIES

GENUS

ORDER

FAMILY

KINGDOM

PHYLUM

CLASS

SPECIES

GENUS

ORDER

FAMILY

Animalia

Arthropoda

Insecta

Hymenoptera

Apidae

Apis

melifera

Apis melifera L.

2 part scientific naming of species First part of the name identifies the genus to which the species

belongs The second part identifies the species within the genus Designated in Latin First adopted by Carl Linnaeus in 1753

BIONOMIAL NOMENCLATURE

Plantae

Tracheophyta

Angiospermae

Sapindales

Aceraceae

Acer

rubrum

KINGDOM

PHYLUM

CLASS

SPECIES

GENUS

ORDER

FAMILY

KINGDOM

PHYLUM

CLASS

SPECIES

GENUS

ORDER

FAMILY

Animalia

Mammalia

Primatales

Hominidae

Homo

sapian

Chordata

Insect classification

Approx. 30 orders of insects

Classified by type of development type of mouthparts wings (number and placement)

Order Orthoptera

CricketsGrasshoppers

Order Orthoptera

Simple developmentChewing mouthpartsTwo pairs of wings/ first set are thickened and

leather-like

Orthoptera wings

Posterior wings are light for flying

Orthoptera

Order DermapteraEarwings

Order Dermaptera

Short wing covers-second pair not always developed

Simple developmentChewing mouthpartsHave terminal forceps20 species in North America

Order Hemiptera – True Bugs

Bed bugsStink bugsWheelback bug

Order Hemiptera

Simple developmentSucking mouthpartsTwo pairs of wings (hemelytron

forewing)

LeafhoppersCicadasaphids

Order Homoptera

Suborder Homoptera

•Simple development•Sucking mouthparts•Two pairs of membrane type wings

Adult cicada

1

2

Order Lepidoptera

Butterflies Moths

•Complete development-larvae are caterpillars

•Larvae have chewing mouth parts

•Two pairs of wings, covered with scales

Order Lepidoptera

Scaled wings

Beetles

Order Coleoptera

Order Coleoptera

•Complete development- larvae are grubs

•Chewing mouthparts larvae and adults

•Two pairs of wings-first hardened into

wing covers (elytra)

Order Coleoptera

Adult beetle

<wing cover

Asian Lady Beetle

Japanese beetle grubs

< 3 pairs of legs

Order Diptera- Flies •Complete development-larvae are maggots•Chewing mouthparts in larvae/ variable in adults•Adults only have 1 pair of wings

Horse fly

< 1 pair of wings

Rat-tailed maggots

larvae have no legs

Bees Wasps Ants Sawflies

Order Hymenoptera

Order Hymenoptera

•Complete development-larvae are maggot like•Chewing mouthparts in larvae•Two pairs of wings• both membrane-like hooked together to work as one

Elm sawfly adult

Hymenoptera wings

Sawfly larvae

Order Ephemeroptera

• mayflies

Order Ephemeroptera

• Delicate bodies with four wings (front pair much larger) many cross veins

• Mouth parts of the chewing type but rudimetary

• Incomplete development, aquatic larval stage

Order OdonataDragon fliesDamsel flies

Order Odonata

Adults have 4 wings of equal size, membranous

Chewing mouthparts, well developed Incomplete development, aquatic larval

stage

Order Neuroptera

• Dobson flies• Lacewings

Order Neuroptera

• Chewing and biting mouthparts• Feed on other insects and small

animals • Four wings, well veined• Complete metamorphosis

Order Trichoptera

• Caddis flies

Order Trichoptera

• Soft bodied • Four membranous wings with numerous

longitudinal veins • Mouth parts rudimentary • Antennae and legs are long • Complete development

Order Thysanura

• silverfish

Order Thysanura

• Apterygota (no wings)• Ametabolous developement• Abdomen has 11 segments • Covered in scales

Order Mantodea

• Praying mantids

Order Mantodea

• Predatory insects closely related to roaches

• Front pair of legs are armed with strong spines to grasp prey

• Four wings, membranous with soft covering

• Incomplete development

Order Blattaria

• Roaches

Order Blattaria

• 4,000 species worldwide• Cursorial (adapted for running)• Wings are generally present though in

some they are much reduced • chewing mouthparts• Incomplete development

Order Isoptera

• Termites

Order Isoptera

• Chewing mouthparts (modified in soldiers for nest defense)

• 2 equal wings present only in reproductive stage

• Incomplete development • Social insects

Order Siphonaptera

Fleas

Order Siphonaptera

Piercing, sucking mouthparts, feed on blood

Apterygota Complete metamorphosis