150 THE CANADIAN ENTOMOLOGIST 



which is rather broadly rounded; rather strongly curved near 

 apex on one side; apex sharply curved on this side, broadly rounded 

 on the opposite side; colour whitish; chorion smooth and shining. 



Stage I. — Length 1.24 to 1.82 mm.; width of head including 

 eyes .52 to .56 mm. General colour shining black. Eyes dark 

 red. Head short and wide, broadly rounded before eyes. Thorax 

 with fine yellowish median longitudinal line. First abdominal 

 segment yellowish, with broad, dark brown band slightly procurved, 

 not reaching lateral, posterior or anterior margins. Second 

 segment sometimes yellowish, on posterior margin. Abdomen with 

 numerous long, stout hairs regularly placed. Legs shining brown- 

 ish black; coxa^, trochanters and tarsi pale yellowish, excepting 

 tip of claws which are brownish black. Antennae pale yellowish, 

 basal segment darker, almost brown. Short, stout hairs on the 

 entire length of tibicC, and a very few on the femora. 



Stage II. — Length 1.48 to L75 mm.; width of head including 

 eyes .55 to .6 mm. Head and legs relatively smaller than in pre- 

 ceding instar. Distal third of fore tibiae yellowish. Tips of tarsi 

 and claws brownish black. Colouring in other respects similar 

 to stage L Tibiae very finely pubescent, with a few longer hairs 

 at tip; not clothed for the entire length as in former instar. Entire 

 (Surface of body and legs very finely granular, producing a less shin- 

 ing appearance. 



Stage III. — Length 2.025 to 2.62 mm.; width of head includ- 

 ing, eyes 1.05 to 1.112 mm. Colouring similar to first two instars, 

 excepting a continued modification of colouring on legs, the fore 

 tibiae being brownish black on proximal half and ^^ellowish on the 

 remainder, while the distal extremity of the middle tibiae is yel- 

 lowish. Wing-pads apparent. 



Stage IV. — Length 3.1 to 3.29 mm.; width of head including 

 eyes 1.25 mm. Form and colouring similar to other stages; wing- 

 pads prolonged, mesothoracic pair extending along sides of meta- 

 thorax for two-thirds their length. 



Stage V. — Length 3.65 to 3.82 mm.; width of head including 

 eyes 1.47 to 1.55 mm. Body stouter than preceding stages, 

 lateral margins being almost parallel, slightly the widest at eyes; 

 prothorax a little narrower than head and longer; mesothorax 

 shorter than prothorax and metathorax still shorter. Wing-pads 



