2480 The Zoologist — February, 1871. 



on the middle of the back, with the head somewhat more gray- 

 green (fig. 11). In the place of the spines the body is covered with 

 very small, round, brown warts. The eyes, as before, are inserted 

 in ronnd black spots. The mandibles and the claws of the anterior 

 legs retain their brown colonr. 



Reauranr has represented one of these larvae in its last moult 

 (it may be here remarked that in general the spines in both his 

 figures are drawn somewhat thin and angular) ; I think it would 

 have been more interesting if he had observed and represented the 

 moulting of a spinous larva before the last change of skin, for it is 

 still a question whether the spines beneath the old skin are soft 

 and lie flat, and become erect and hard immediately after the 

 moult, as is known to be the case with the hairs on the larvae of 

 the " woolly bear." I have also had no opportunity of observing 

 this circumstance. 



A few days after this last moult the larvae descend into the 

 ground, where they spin up among the grains of earth. I have 

 never been able to collect a sufl^cient number of these cocoons 

 (if they deserve the name) so as lo be able to open them in the 

 spring for the purpose of examining the pupa, so that I cannot 

 say anything as to its appearance. 



The imagos creep up out of the earth about the end of April or 

 beginning of May. In inifavourable seasons thoir appearance is 

 delayed until somewhat later. As already mentioned, the male is 

 unknown. The female, represented at fig. 12, is 6.5 mm. long, 

 expanding lo 13, and is of a short and compressed figure. Head 

 black, with the exception of the labrnm, which is yellowish brown. 

 The forehead, cheeks and the sides of the head behind the eyes, 

 are clothed with silky hairs. Antennae black, not exceeding in 

 length the head and thorax together, nine-jointed, the third joint 

 being the longest. Eyes rather large and black ; the ocelli are 

 small, and have a topaz hue on the outer side. Prothorax yellow; 

 mesothorax bright red and shining, with a black spot on the 

 breast, and on both sides below the lateral lobes a deep pear- 

 shaped black fovea. The scutellum is distinctly punctate. The 

 melathorax is brownish black, with large white cenchri. The first 

 segment of the abdomen is blackish, the remainder brownish 

 yellow, which becomes darker after the death of the insect. The 

 base of each segment appears of a greenish tinge, as seen through 

 the yellow skin of the preceding one. The margins of the spiracles 



