16 THE CANADIAN ENTOMOLOGIST. 



rounded posteriorly. One-third of lower margin edged with black and 

 terminating with a black point at lower anterior angle ; posterior margin 

 swollen and bearing on each side of median line 3 small black piliferous 

 tubercles. There are also 3 others on front margin. Tubercles of body 

 black, bearing slender fawn-coloured hairs, normally placed, consisting of 

 3 dorsal, 3 substigmatal and 1 ventral series. No. i. anterior, and sub- 

 dorsal, half the size of ii. and iii.; No. ii. posterior, and supralateral ; No. 

 iii. median, immediately above the minute black spiracles, slightly larger 

 than ii.; on segments 7 to end enclosing the spiracles in their lower 

 margins; No. iv. twice its width from spiracles and immediately below 

 them ; No. v. below and in a line with No. ii.; the tubercles of series No. 

 vi. form a line running from base of thoracic feet to base of anal prolegs ; 

 the tubercles of this series are more than twice longer than high, being 

 merely short black chitinous dashes bearing 2 or 3 bristles, except on 

 segments 5, 6. 11, 12 and 13, where they are dots. Substigmatal series, 

 tubercles iv., v., vi., are all of the same size as ii., larger than i., smaller 

 than iii. Medio-ventral series of very small tubercles, one on each side of 

 every segment, beneath. On segment 2 a large black oval tubercle (No. 

 v.), beneath thoracic shield and anterior to the spiracle, and a tubercle at 

 base of thoracic foot (No. vi.). On segments 3 and 4, tubercle No. i. is 

 wanting, and as usual Nos. ii., iii. and v. are arranged in a curved line 

 across the segments ; No. v. anterior to the other two ; vi. is at base of 

 thoracic foot, and iv. immediately above it, but higher up than v. 



General colour of larva dark olive green above, paler below, dorsal 

 vessel showing as a dark stripe. Thoracic feet testaceous, blackened at 

 tips, with a narrow chitinous black fold in front and another behind at 

 the base of each. Prolegs concolorous with body ; claspers rusty. 



Cocoon, slight, among the leaves. Pupa chestnut brown, length 

 6.50 mm. by 1.75 mm. at widest part. Thorax and abdomen bearing a few 



slender bristles, which are most numerous towards the cremastral end. 

 Cremastral hooks long and slender. Whole body covered with a very 

 short fulvous velvety pile. 



These larvae were found in considerable numbers among leaves of 

 Lupinus peremiis kindly sent from High Park, Toronto, by Mr. Allan 

 Kinghorn. Each larva made a tent by tying two or three of the leaflets 

 loosely together. They were almost full-grown when received, and the 

 first pupated on the 10th of June. Pupal period about eight days. Eight 

 moths were reared, all females. There was considerable variation as to 

 markings, the transverse fascia being obliterated in some specimens, 

 but more or less apparent in most. 



