REPORT OF THE STATE ENTOMOLOGIST 1901 851 



107 Confused flour beetle, Tribolium confusum Duv. 

 Principal food: Farinaceous preparations. 



Treatment: Fumigate infested preparations with carbon 

 bisuifid. 



Chief accessible articles: Chittenden, F. H. U. S. dep't agric. 



Yearbook. ? 94. p. 288-89; div. ent. Bui. 4. ? 96. p, 



113-15. 



108 Cigarette beetle, Lasioderma testaceum Duft. 

 Principal food: tobacco preparations. 



Treatment: Fumigate infested substances with carbon 

 bisuifid, exclude the insects by using tight packages. 



Chief accessible article: Chittenden, F. H. U. S. dep't agric. 

 div. ent. Bui. 4. n. s. '96. p. 126-27. 



BENEFICIAL. INSECTS (109-63) 



Pollen-carriers 

 These insects perform a most important function, because 

 many fruit trees depend very largely on insects for the carrying 

 of pollen from flower to flower. 



109 Honey bee, Apis mellifica Linn. This insect is 

 exceedingly valuable as a pollenizer of plants as well as a pro- 

 ducer of honey. 



Bumblebees, B o m b u s 



This genus is represented by a number of species, all valuable 

 as pollen-carriers. 



110 Bombus fervidus Fabr. 



111 B. pennsylvanicus DeG. 



112 B. terricola Kirby 



113 B. ternarius Say 



114 B. v a g a n s Smith 



115 B. virginicus Oliv. 



116 Melissodes obliqua Say 



117 M. perplexa Cress. 



