4-H CLUB INSECT MANUAL 



45 



Figure 108. — 

 Termite. 



Figure 110. — 

 Sucking louse. 



Figure 111. — Bit- 

 ing louse. 



EPHEMERIDA — Ephemeron (a short-lived in- 

 sect). Four netted, veined wings folded vertically 

 over back when at rest; hind pair much smaller 

 than front pair. Mouth parts for chewing. Anten- 

 nae short. Three long tails on tip of abdomen. Life 

 changes incomplete. Body rather frail; molt once 

 in adult stage. Very short lived. Nymphs living in 

 the water. Mayflies, lake flies, or shad flies. 



ISOPTERA. — Isos (equal), pteron (a wing). Most forms 

 wingless ; kings and queens having four wings at mating time ; 

 wings equal in size, long, narrow, and folded over back when 

 at rest. Somewhat resembling ants, but pale in color and having 

 no slender waist in abdomen. Termites (white ants-). 



SIPHONAPTERA— Siphon (a tube), apteros (without 

 wings). Small, wingless body, laterally compressed (flat- 

 tened at sides). Hind legs long, stout, fitted for jumping. 

 Mouth parts piercing and sucking. Life changes complete. 

 Fleas. 



ANOPLURA.— Anoplos (unarmed), oura (tail). Small, wing- 

 less, flattened parasites of mammals. Mouth parts for piercing 

 and sucking. Head narrow and pointed in front. Eyes wanting 

 or degenerate. Life changes slight. Blood-sucking lice. 



MALLOPHAGA— Mallos (wool), phagein (to eat). 

 Small, wingless, flattened insects. Large broad heads, 

 rounded in front ; eyes degenerate ; mouth parts for chew- 

 ing. Life changes incomplete. Mostly parasites of birds, 

 some of mammals. Chewing lice or bird lice. 



THYSANOPTERA — Thysanos (fringe), pteron (a wing). 

 Mostly wingless; when wings are present, four long and 

 narrow, fringed with hairs, folded over back when at rest. 

 Body much elongated. Mouth parts for rasping. Life changes 

 incomplete. Thrips. 



Figure 112. — Thrip. 



