FAMILY BRUCHID.E 



193 



occurred in Ohio. It has worked westward from some 

 infected centre in the east, and is apparently spreading over 

 the country in general. 



The cucumber flea l)eetle and grape-\ine flea beetle also 

 come in this group. 



Family Bruchidse.— The family Bruch'uUv in some respects 

 approaches very near the snout beetles. This includes the 

 pea and bean weevil and the species are essentially seed- 



FiG. 140. — Southern corn-root worm (Diahrotica 12-punctata) : a, beetle; 

 6, egg; c, larva; d, anal segment of larva; e, work of larva at base of corn 

 stalk; /, pupa. All much enlarged except e, which is reduced. (After 

 Riley, except /, after Chittenden, Div. Ent., U. S. Dept. Ag.) 



eating forms. In case of the pea wee^•iI the eggs are laid 

 out of doors on growing pea pods and they burrow into the 

 pod and get into the growing peas, usually one to each ])ea. 

 They grow with the growing pea and remain in the pea to 

 pupate and then later the adults are found in stored peas 

 in winter and spring. Immense numbers of these larvse 

 are destroyed by the eaters of green peas but the species 

 holds its own. It does not become noticeable except in 

 stored peas. The Iar\fie at the time of green peas are small 

 13 



