124 



ENTOMOLOGICAL NEWS. 



[April, 



bers and in destructives, in New Jersey at least. I was curious to know 

 just what, if any, difference in mouth structures accompanied this diver- 

 gence in habits, and dissected out the parts in the above-mentioned spe- 

 cies, and with a somewhat unexpected result. VV'hile in the Epilachne I 



found a stout, chitinous mandible with a prominent acute apical and two 

 smaller internal teeth, such as might well belong to a carnivore, I found 

 in the Coccinella a mandible which I would as readily have referred to a 



pollen or fruit feeder. The mandible is distinctly compound, with all the 

 sclerites well marked, the apical tooth small and bifid. It will be noticed 

 by comparing the figures herewith given that the differences are not con- 

 fined to the mandibles, but extend to all of the mouth structures. The 



