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NEW YORK STATE MUSEUM 



80 Confused flour beetle (Tribolium confusum). A 

 rather stout, shining, reddish brown beetle about ^\ inch long 

 which attacks a large number of cereals and cereal products. 



Fig. 12 Confused flour beetle: a beetle; b larva; c pupa — all enlarged; d, e, /minor parts enlarged 

 (after Chittenden, U. S. dep't agr., div. ent., bull. 4, n. s.) 



Very prolific, and frequently causes considerable injury. The 

 life cycle may be completed in 36 days, but in cool weather this 

 period is much prolonged. 



Treatment: fumigate with carbon bisulfid, and clean infested 

 localities. 



Fig. 73 The bean weevil : 1, beetle ; la antenna, greatly enlarged ; \b hind leg enlarged ; 2, larva, 

 2« larval head enlarged to show mouth parts ; 3, pupa ; 4, bean burrowed by the insect 



81 Bean weevil (Bruchus obtectus). Small grayish 

 brown beetles about J inch long breeding in dry beans and eating 

 out numerous holes. This insect attacks beans in the field by 



