322 THE CANADIAN ENTOMOLOGIST. 



legs concolorous, rather translucent. Young larvae are very active and 

 spin a slight web. 



On the 14th Aug. two larv?e passed the first moult, two more on the 

 15th, and the last one on the 17th Aug. 



Stage TI. — Length at rest 3 mm., extended 4 mm. General colour 

 dirty whitish-yellow. Head .5 mm. wide, jet black, shiny, very slightly 

 depressed at apex. Face sparsely covered with hairs, which are a little 

 longer than in last moult. On each segment is a transverse row of shiny 

 black tubercles bearing long black and silvery hairs. The large black 

 double tubercle on 2nd segment in centre of dorsum appears as before. 

 Thoracic feet blackish-gray^ prolegs slightly darker than body and rather 

 translucent. 



On the 19th Aug. one larva passed the 2nd moult, two more on the 

 20th, and the 4th on the 21st, one larva having died on the i8th Aug. 



Stage III. — Length at rest 5.75 mm., extended 6.5 mm. General 

 colour blackish-gray, with a whitish stripe on dorsum, within which is a 

 central ruddy yellowish-red line. Head .7 to .8 mm. wide, jet black, 

 shiny, slightly depressed at apex. A transverse row of irregular shiny jet 

 black tubercles appear on each segment as before, bearing long blackish 

 and silvery hairs. Large double tubercle on 2nd segment in centre of 

 dorsum also as before. On sides of body a stigmatal band occurs, yellow- 

 ish-white in colour, with a reddish reflection. Thoracic feet shiny, jet 

 black, prolegs concolorous. 



On the 24th Aug. three larvfe passed the 3rd moult, and the remain- 

 ing one on the 25th Aug. 



Stage IV. — Length at rest 9 mm., extended 10.5 mm. General 

 colour black, \\|th the front segments rusty. Head i.o to i.i mm. wide, 

 jet black, shiny, slightly depressed at apex. Transverse row of shiny jet 

 black tubercles on all segments but head ; on the 2nd, 3rd, 4th and 5th 

 segments reddish hairs from all tubercles, and also some rather long 

 blackish and silvery hairs. The hairs on the other segments are all 

 blackish and silvery, some much longer than others. Dorsal band, and 

 yellowish-red line centering dorsal band, have entirely disappeared. 

 Stigmatal band interrupted, whitish, tinted with yellow, very faint. 

 Thoracic feet shiny jet black, prolegs black, tipped with dull red. 



On the 29th Aug. three larvte passed the 4th moult, and the remain- 

 ing one on the 30th Aug. 



Stage V. — Length at rest 15.5 mm., extended 18 mm. General 



