58 ENTOMOLOGICAL NEWS. [Feb., '04 



my own, but as he had not seen the young, or been able to 

 more than guess at the identity of the species, I was naturally 

 anxious to bring the young crickets to maturity and thus 

 establish the identity of the author of this peculiar injury. 

 Accordingly I captured the four specimens, placed them in 

 shell vials and carefully examined the trunk for more, but 

 without success. Thinking that more might emerge during 

 the night and not having anything at hand large enough to 

 enclose the whole trunk of the tree, I tried the experiment of 

 suspending it at some distance from the floor by means of a 

 piece of fine wire fastened to it near the middle. I thought 

 the young crickets would probably be too timid to jump from 

 the trunk, but in this I was mistaken, if any emerged, (as 

 was quite probable) for I found none upon it on the following 

 morning. I soon found that the young crickets jumped readily 

 and considerable distances shortly after emerging from the 

 egg-cases. 



Having a supply of aphides, principally from cherry trees, 

 in the laboratory, I placed from two to six of them in the 

 vials with the young crickets, and out of six which I put in 

 one vial with a cricket but one was alive the following morn- 

 ing. On the 29th, I sawed the trunk into pieces about a foot 

 in length and put them inside a glass cylinder, covered with 

 cheese cloth, in order to secure any other crickets that might 

 emerge. On the following morning I found five more young 

 crickets, one of which was held by the hind legs in much the 

 same manner as the one previously described. This one never 

 succeeded in freeing itself and soon died. Doubtless this 

 would have been the fate of the first one had I not helped to 

 free it from its egg-case, and as it was it died later, within 24 

 hours and never was able to move about much. The other 

 four were bright and active, and when resting usually sought 

 light colored places, as a point where a limb had been cut off 

 or the sawed end of one of the pieces, evidently realizing the 

 protection afforded by such places. 



When but a day old one of the crickets killed two good 

 sized aphides and apparently sucked the juices from them, in 

 a period of five or .six minutes. 



