Insect Taxonomy
Good Bugs and Bad Bugs Insect Diversity Basic Body Plan Wings Mouthpart Modifications Insect Development
Exopterygota Endopterygota • Hemimetabolous • Holometablous • Wings develop • Wings develop outside of the body within body during • Immatures pupation (nymphs) resemble • Immatures (larvae) adults do not resemble adults
The Etymology of Entomology ptera = wing donto = teeth/tooth coleo = sheath lepi = scale ortho = straight di = two hymeno = membrane iso = same derm = skin/leather hemi = half Subtle Distinction Taxonomy Systematics
Apis mellifera INSECTA
Apterygota Pterygota
Exopterygota Endopterygota
Collembola Odonata Coleoptera Orthoptera Lepidoptera Dermaptera Diptera Isoptera Hymenoptera Hemiptera Classification
~ 33 orders
Grouped by morphology and development
Wings Mouthparts Metamorphism • Ametabolism • Hemimetabolism • Holometabolism Primitive Insect
Subclass: Apterygota
Ametabolous Collembola Springtails Paleoptera Paleoptera (old wing) • Wings do not fold • Hemimetabolous
All others are Neoptera Wings do not fold (new wing) Chewing mouthparts Wings can be folded
Hemimetabolous Ephemeroptera Odonata Neoptera
Wings can be folded over body at rest. Leathery Forewing Chewing mouthparts
Hemimetabolous Orthoptera
Katydid Cricket Grasshopper Phasmatodea Mantodea Dermaptera Blattodea Isoptera Wings: Hemielytra Membranous
Piercing sucking mouthparts
Hemimetabolous
Reduviidae Hemiptera Anthocoridae
Krista Buehrer Hemiptera Pentatomidae
Halyomorpha halys Rhopalidae “Homoptera” Aleyrodidae
Cicadidae Aphidoidea Thysanoptera Thrips
Wings: fringed Thysanos is Greek meaning fringed. Mouthparts: Asymetrical mandibles, right is reduced or absent, left is enlarged to form stylet. Diet: plant foliage, pollen, prey
Vector pathogens and virus. Tomato and Impatient Wilt Virus
Frankliniella occidentalis Endopterygota “Higher Orders”
Wings: Variable Mouthparts: Variable
Holometabolous Coleoptera Coccinellidae Staphylinidae Coleoptera Chrysomelidae Curculionidae Green Lacewings (Neuroptera: Chrysopidae) • Net
Diet: Aphids Caterpillars
Size: 12-20 mm Beetle larvae Lepidoptera Nymphalidae Sphingidae Diptera
Halteres Diptera Nematocera
Cullicidae
Sciaridae Diptera Brachycera
Stratiomyidae Syrphidae Hymenoptera Symphyta
Diprionidae Hymenoptera
Apocrita
Braconidae Vespidae Hymenoptera
Apocrita
Apidae Formicidae Questions?
End of Insect Taxonomy