CLASSIFICATION AND DESCRIPTION OF COMMON INSECTS 1 67 



In addition to the foregoing forms, among the more common 

 northern plant-sucking species of this family are Nezara pennsylvanica 

 a large green, flattened bug,^^ inch long; Cos mo pepla carnifex, shining 

 black and spotted with red and orange, }i inch long; Leioderma ligata, 

 a large broad form with a red margin and a red spot on the middle of 

 its back. 



Among the blood-sucking species are Podisus spinosus, recognized 

 by the conspicuous spine on each side of prothorax, and Brachymena 

 spp. mostly large grey tree bugs; Perillus circumcinctus which attacks 

 the Colorado potato beetle. 



CoRiMEL^.NiD^ (Negro Bugs) 



Negro Bug (Corimelcena pulicaria Germer). — Feeds on strawberries, 

 blackberries, raspberries and celery, imparting an unpleasant odor. 



Adult.-— K small shiny black bug }4, inch long, with a white stripe 

 on each side of body. 



Eggs. — Orange-yellow, oval; laid singly on the leaves; hatch in 

 about 16 days. 



Nymphs. — Feeding on leaves and fruit. 



AcANTHiiD^ (Bed Bugs) 



Bed Bug (Cimex ledularius L.). — Adult. Reddish-brown, ^i 

 inch or less in length; never fully winged but with wing pads; 

 flattened; hiding in day-time in cracks but active at night; "buggy" 

 odor. 



Eggs. — ^White, oval, 3'^o inch long; laid in cracks and crevices; 

 each female lays about 200 eggs, 50 at a time. 



Nymphs. — White at first but red after feeding; resemble adults 

 but body more slender and head larger; 11 weeks to mature; one 

 generation in a season. 



Cow/ro?.— Fumigate with sulphur or carbon bisulphide; wash 

 floors thoroughly with soapsuds and spray with benzine. 



ORDER SIPHUNCULATA (SUCKING LICE) 

 Chief Families 



A. Eyes large, convex, distinctly pigmented; beak short. — 

 PediculidcB. 



AA. Eyes very indistinct or wanting; beak long. — HcEmatopinidcs. 



