124 



Insert Pests. 



LlFE-HlSTn];Y AND HaI'.II;^. 



The female sawfly is reddisli-yellow with a lilack patch on the 

 head, and anot]ier on the thorax : the dorsum of the abdomen black : 

 the head and mid di\ision of the thorax minutely punctured ; the 

 reddish-yellow antennce are dusky in the middle. The legs yellowish- 

 red ; wings transparent, somewhat iridescent with brown rims and 

 dark sti-ma, except at its end nearest the apex of the wing, where it 

 is yellow. The female is from \ to nearly I inch long, the male very 

 slightly smaller. 



The adult appears in spring about the time the apple blossom is 



ric. fj;i.— Ai'PLE 



iinwixi; ^OAR fih;mi:I' by api'LE ^awflv ■'N y»;'UN(;: KuriT. 



WlllOir THE MAi;Gi)T FAU.EI' TO ENTFl:.. 



liursting. The date varies from the end of April until the middle of 

 ^lay. 



The females may be easily taken on bright days sittinc;' on the 

 blossom, where they lay their eggs. The o\"a are laid down below 

 the calyx, seldom more than one egg to each blossom, Ijut several 

 larva- have been found in one fruitlet. It appears that thev lav 

 tlieir ova between '.J and - o'clock, and then on briuht days oulv. 



The egg stage varies in length, it may take eight days or it mav 

 be two weeks in incubating'. 



