Insect identificationInsect external structure
Insect internal structure
Development of insects
Relationships of insects
Apterygota
Thysanura
Collembola
Pterygota
Ephemerida
Odonata
Plecoptera
Embiidina
Orthoptera
Cockroaches / roaches
American cockroach picture
Australian cockroach picture
Croton bug picture<
German cockroach picture
Oriental cockroach picture
Crickets
Grasshoppers
Green grasshoppers / katydids
Mantids
Walkingsticks
Dermaptera
Coleoptera
Strepsitera
Thysanoptera
Hemiptera
Homoptera
Neuroptera
Trichoptera
Lepidoptera
Croton bug picture
Croton bug picture, also called German cockroach.