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INSECTS 



Allied in appearance but very much smaller, come 

 the various species of flour and grain beetles; the larvae, 

 very slender whitish grubs, not much over an eighth of 

 an inch in length, the adults equally slender, flattened 

 brown beetles, less than that length, or scarcely attain- 

 ing it. They accumulate wherever meal or grain prod- 

 ucts of any kind are kept open and allowed to stand for 

 any length of time. In pantries or closets where jars or 



FIG. in. The confused flour beetle, Tribolium confusum: a, adult; b, larva; 



c, pupa. 



receptacles are never entirely cleaned out before re- 

 plenishing, they find their best opportunity for multi- 

 plying, and the best method of checking them lies, in 

 consequence, in cleaning out thoroughly every recep- 

 tacle for such products before putting in a new supply. 

 In peas, beans, lentils and the like, "weevils" often 

 make their appearance, and that is manifested when in 

 such seeds one or more round holes about one-sixteenth 

 of an inch in diameter may be noted. Now while, ordi- 

 narily, these insects breed outdoors, and simply pass the 

 winter in the seeds that were attacked in the field; yet 



