THE CANADIAN ENTOMOLOGIST. 285 



identified, but it resembles an Artemisia. It grows commonly on the 

 mountains, but although I examined many specimens of it, I failed to 

 find any of the scales, which appeared to be very locally distributed. 



From holes in some of the scales, it is evident that the species is 

 attacked by a parasite, but the latter has not been bred. 



One other species of Tachardia or Carteria is known from the arid 

 region, namely, T. larrece, Comstock. I possess a specimen of this, 

 kindly sent to me by Mr. Maskell, and from comparison with this, and a 

 study of Comstock's description and figures, I concluded that my insect 

 was distinct. But to make quite sure, I forwarded specimens to Wash- 

 ington to be compared with Comstock's types of larrece, and Mr. L. O. 

 Howard has very kindly replied as follows : — 



" Your new species of Carteria differs from C. larrece, Comstock, in 

 the shorter, lateral excretory tubes, the shorter anal cone, and in the 

 smaller number of pores in the four groups back of the anal cone. 

 Each of these groups is composed of from 7 to 9 pores, while in C. larrece 

 they are composed of from 18 to 25 each." 



It may be added, that larrece also differs from cornuta in not being 

 horned as described above. 



The food-plant of T. larrece (Larrea) grows abundantly in the 

 vicinity of Little Mountain, but no Tachardia was found upon it. 



(14.) Orthezia a?ince, Ckll. — Prof. C. H. T. Townsend has kindly 

 sent me particulars concerning an Orthezia which he found on Chen- 

 opodium at St. Joe, Arizona, July 20, 1892. I have no doubt that this is 

 O. annce, which was hitherto known only from specimens found on 

 Atriplex canescens at Las Cruces, New Mexico. The species was not 

 described until more than a year after Prof Townsend's Arizona find. 



(15.) Phenacoccus helianthi, Ckll. — This has so far only been re- 

 corded from Las Cruces, New Mexico. On August 25th, last year, I 

 swept some specimens from herbage at El Paso, Texas, but was not able 

 to find the plant they came off. The eggs and newly-hatched larvae are 

 pale orange. 



The following insects prey on P. heliaiithi at Las Cruces : — 

 (a.) Hyper aspis ujidtilata. Numerous, the larvae covering themselves 

 with white secretion and so simulating coccids. Imago shiny black, 

 with a red spot on the disc of each elytron, and a broadly interrupted 

 pale orange-tinted marginal stripe. Identified by Dr. Horn, who 

 tells me that it has long been known as an enemy of aphides and 

 coccids. 



