1 88 NEW YORK STATE MUSEUM 



base of nearly every fascicle of leaves on some limbs. Over 200 were 

 counted in an ei,ri,r mass of moderate size, while around the base of other 

 fascicles two to three times this number were to be found. The young 

 were beginninj^ to hatch on this date, and some had already settled on the 

 larch needles, at which time they presented a close resemblance to a grain of 

 black gunpowder. The young increase in size in the course of a few weeks, 

 and excrete an abundance of white wooly matter. The period when the 

 insect is most conspicuous is during the latter part of June. Later in the 

 summer it is not nearly so aljundant, though it can usually be found upon 

 the trees in smaller numbers up till September and possibly later. The 

 life history of this species as worked out by Dr Cholodkovsky of Europe 

 is most interesting, comprising, as it does, a life cycle of 2 years duration 

 and involving five generations. It is as follows: (gen. i) wingless female 

 lice pass the winter at the base of young pine buds, produce galls in the 

 spring and in them winged (gen. 2) females develop, part of which migrate 

 in August to the larches and lay eggs on the needles. From these eggs 

 emerge (gen. 3) young which hibernate in the crevices of the bark and the 

 following spring attack the base of the butls and produce the eggs which 

 attract attention on the larches, and from Avhich the black (gen. 4) young 

 emerge, a portion eventually developing into winged females, and return- 

 ing to the pines the latter part of May (probably later in this latitude, as 

 this generation is abundant on larches till the last of June), where they lay 

 eggs producing (gen. 5) males and females, which in turn are parents to the 

 hibernating form first mentioned and thus the life cycle is completed. 



The writer, so far as known, was the first to record the occurrence of 

 this species in America though doubtless it had been established in this 

 country for some years. The following s\nonyms are those given by Dr 

 Cholodkovsky: C h c: r m e s coccineus Ratz.? in part; C. laricis 

 Ratz., Koch in part ; C. geniculatus Ratz.. in part; C. hamadryas 

 Koch: C. atratus Huckton ? ; C. lariceti Ahum? 



Bibliography 

 1S9S Felt, E. P. State Km. 14th Kcp't. N. V. State Mus. Bui. 23, p. 238 



