JOURNAL OF ENTOMOLOGY AND ZOOLOGY 187 



No. 62 are rather long, noticeably longer than those on the legs 

 of ponderosa. In the wingless forms I notice the following differ- 

 ences : cornicles of ponderosa larger than No. 62. Hind tibia of 

 ponderosa relatively longer than in No. 62. In the former antennal 

 segment VI is about two-thirds the length of V, while in No. 62 

 these two segments are subequal (or nearly so). I could not make 

 out the sensoria on the specimens you sent, but in ponderosa there 

 is one sensorium on III, one on IV and one or two on V. Also the 

 total antennal length of ponderosa is relatively greater than in No. 

 62. In the winged individuals the head of ponderosa does not 

 appear to be nearly as hairy as the head of No. 62 and the eyes of 

 the latter appear to be more pedunculated. As in the wingless the 

 hind tibia of ponderosa is comparatively longer than in No. 62 and 

 the antennae have slight differences, but I do not know that they are 

 dependable." — John June Davis, Lafayette, Indiana, April 23, 

 1913. 



"No. 62 from Japanese spruce appears to me to be different from 

 all the species I am acquainted with and based upon a superficial 

 study, I would say that it is new." — H. F. Wilson, Corvallis, Ore- 

 gon, March 15, 1915. 



THE MANZANITA LEAF— GALL APHIS 



Phyllaphis coweni (Cockerell) 



(Figs. 4-7) 

 Synonomy and Bibliography 



Aphid, Cowen, J. H.— Bui. No. 31, Tech. Ser. No. 1, Colo. 

 Agrcl. Exp. Sta., p. 125, 1895. 



Pemphigus coweni Cockerell — Cockerell, T. D. A., Can. Ent., 

 XXXVII, p. 391, 1905. 



Phyllaphis coweni (Cockerell) — Gillette, C. P., Can. Ent., XLI, 

 p. 41, 1909. 



Cryptosiphtim tahcense Davidson — Davidson, W. M., Jr. Ec. 

 Ent. IV, p. 559, 1911. 



Though this species is very common and abundant, producing 

 large conspicuous red galls upon the leaves of manzanita, it has 



