312 THE CANADIAN ENTOMOLOGIST. 



deposit eggs crawls into some crevice and produces a cottony cushion 

 on which it rests and secretes considerable white cotton over its entire 

 body. Antennae 9-jointed. Joint i longest and broadest, next in length 

 is 2, then joint 9 and then 3. Joints 4, 5, 6, 7 and 8 are subequal, and 

 are a little shorter than 3. Formula: 129345678. Legs long and 

 stout. Tibia twice as long as tarsus, both very hairy. Claw long and 

 stout, Digitules fine hairs. Body sparsely covered with long stout 

 spines, especially along the margin and caudal end. Stigmatal tubes 

 very prominent. Anal opening simple and quite large. 



(J larva much like that of 9 , but narrower and more oblong. 



^ second stage not observed. 



cj third stage like that of 9 , but smaller and more elongated. 



^ fourth stage (cast skin) without rostrum. Antenna? 9-jointed. 

 Joints I and 9 longest and subequal ; joints 7 and 8 subequal ; joints 4 

 and 6 subequal ; and joints 2 and 5 subequal. Each joint with long 

 stout hairs. Joint 9 rounded at tip, with several stout hairs and spines. 

 Formula: (i9)(78)3(46)(25). Legs long and very stout. Femur much 

 swollen, very little shorter than tibia. Tarsus }^ of tibia. Claw stout 

 and curved. Digitules simple hairs. Body covered with long fine hairs. 

 There are several stout spines on caudal end of abdomen. 



^ pupa, about 2)4 nim. long and i mm. broad, enveloped in a 

 densely-woven cottony sac about 5 mm. long and 2 mm. broad. 

 Thorax, legs and antennas light yellow, abdomen crimson. Wing-pads 

 very broad. Legs long and stout. Tarsus j4 as long as tibia. Femur 

 stout and as long as tibia. No claw. Antennae 9-jointed. Joint i 

 stoutest. All joints annulated with white and subequal. Formula : 

 3.(2.9)4.5.6.7(18). 



Adult $ about 3 mm. long and i^ mm. broad, slightly pubescent. 

 Colour of abdomen reddish-brown. Mesothorax black, with four raised 

 knobs. Front part of head black, eyes very prominent, strongly faceted, 

 black. Legs and antennae black and very hairy. Ventral surface of 

 abdomen dark brown, segmentation distinct. Mesosternum black, a 

 small black line on prosternum, and an irregular black patch on meta- 

 sternum. Abdominal brushes with long stout glassy bristles about 6 mm. 

 long. Style short, stout and conical. Antenme lo-jointed, very hairy, 

 reaching beyond end of abdomen. Joint 2 shortest, joints 3 and 10 a 

 little longer, and the other joints subequal. Each joint with numerous 

 hairs. Wings large, about 3 mm. long and i mm. broad, expanse about 



