28 APHIDS OF THE ROCKY MOUNTAIN REGION 
blunt or curved and not numerous, and hind tarsal II longer than tenth of 
tibia, as well as infesting a different genus of host plant (Picea not Abies). 
Cinara curvipes (Patch) 
The Bow-legged Fir Aphid 
eal Nym h 
Ad 
earn te 
ey an Vertex \« ‘ : e 
Fig. 20. Cinara curvipes 
Lachnus curvipes Patch, 1912a:161; Wilson, 1923:267; Knowlton, 1930:158. 
Cinara curvipes, Gillette and Palmer, 1931 :850. 
Cinara utahensis Knowlton and Smith, 1938b:66 (new synonymy). 
Apterous Summer Vivipara. Brownish black with cornicle, cauda and anal plate black; 
with very little or no pulverulence; antenna pale; legs brown with tarsi, tips of lst and 2d 
tibiae and nearly entire 3d tibia black; rostrum black distally. Body 5 long; hind tibia 3.5-4.6; 
hind tarsal II .38; antenna 2-2.2, secondary sensoria 1-3 on III, 1 on IV and 1 on V;; cornicle 
about .45-.55 in diameter at base. Hind tibia distinctly curved. Hairs on hind tibia drooping, 
rather stout, usually blunt, numerous, not longer than half of diameter of tibia; curved and 
pointed in nymph and sometimes in adults; hairs on body pointed .06-.08 and erect. 
Rostrum attaining middle of abdomen. 
Alate Vivipara. Same in color and measurements as apterous vivipara. Secondary sen- 
soria tuberculate. Fore wing with media twice-forked. 
Ovipara. Apterous. Color, according to Knowlton (1930:158), with flocculence back of 
cornicles. Measurements same as summer apterous vivipara. Hind tibia very slightly swollen 
on proximal half and with numerous small sensoria on entire length. 
Collections. On Abies lasiocarpa, and A. concolor and Picea engelmanni, 
on bark. Colorado: Eldora, Ouray, Pingree Park and Rocky Mountain National 
Park. Utah: Smithfield Canyon, Salt Lake City, Logan and Beaver. Fundatrices 
(?) June 13 and 24, apterous summer viviparae June 24 to Aug. 28, alate vivi- 
parae July 8 to Aug. 28, oviparae Aug. 28 and Sept. 20; rather rare but often 
occurring in abundance where found. 
Type. Maine Agr. Exp. Sta. Collection. 
Chief Distinguishing Characters. Short blunt hairs on hind tibia, com- 
paratively short hind tarsus (not exceeding tenth of length of hind tibia) and 
long curved hind +tibia. 
Cinara edulis (Wilson) 
The Black and White Spotted Pinyon Pine Aphid 
Fig. 21. Cinara edulis 
