GRUBS OF WEEVILS. 



243 



nut falls to the ground in September or October. 

 The hole found in the nut a|)[)cais much too small 

 to have admitted of its passage; l)ut from being very 

 soft it no doubt stretches itself out for the purpose, 

 using its short claws as instruments of motion. 



R'sel, in order to observe the transtbrmation of 

 these nut grubs, put a number of them, at the com- 

 mencement of winter, into glasses half hllod with 

 earth, covered with green turf. ^11 ot" them dug 

 directly dt)wn into the earth, remained there all 

 the winter, and did not change into pupa? till the fol- 

 lowing June; the perfect weevils appeared from the 

 1st till about the 20th of August, but still kept under 

 ground for the first week alter their change. 



^0. "^ 



Nut nixl apple-tree beetles. A, a branch of the filhert-tree 

 o, tg'i hole in the nut ; 6, e\il hole of the grub. H, the larv* of 

 the nut beetle. C, the s.ime in tlie pup:i >tJiie I), trmale beetle. 

 E, niiil<! bietle. r, ilie beetle th:it destroys the hlooni-bud ol the 

 apple lr«e; a, the same in the larva stale; 6, the chrysalis of 

 the sanie. 



' During the autumn,' says Salisbury, < we fre- 

 quently ob.serve a small red weevil busily employed 

 in traversing the branches of apple trees, on which 

 it lays its eggs by perforating the bloom buds. In 

 the spring, these hatch, and the grubs feed on the 



