SUBFAMILY APHINAE 47 
Lachnus sibericae Gillette and Palmer, 1924:12 (misspelling for sibiricae). 
Cinara sibiricae, Gillette and Palmer, 1931:869. 
Fundatrix. Same as apterous summer vivipara except usually with pulverulence more or 
less rubbed off and antenna and hind tibia 1 long. 
Apterous Summer Vivipara. Color pinkish cinnamon-brown appearing white. due to pul- 
verulence, leaving naked only two longitudinal rows of black spots and the black mammiform 
cornicle bases; legs dusky throughout. Body 2.60-3 by 1.75-2.25; hind tibia 1-1.2; antenna 
1-1.1; rostrum attaining 3d coxa. Hairs rather fine; on hind tibia the longest twice as long as 
the diameter of tibia; on cornicle of two lengths. 
Alate Vivipara. Same in color and measurements as aptera. Hairs on hind tibia with 
length three times diameter of tibia. Fore wing with media once-branched. 
Ovipara. Apterous. Color and measurements same as apterous Summer vivipara except 
powder more sparse and confined to intersegmental lines. Hind tibia somewhat swollen and 
bearing scattered sensoria along almost entire length. 
Male. Apterous. Color same as apterous vivipara except powder mostly confined to in- 
tersegmental lines (specimen may have been rubbed, only 1 taken). Body 1.83 by 1 and an- 
tenna about 1. 
Egg. Shiny black. 
Collections. On Juniperus communis var. montana on bark of twigs, soli- 
tary; eggs laid on pubescent side of needles. Colorado: Wherever the host 
occurs. Fundatrices June 2 to July 7, apterous viviparae June 13 to Aug. 27, 
alate viviparae June 9 to 13, oviparae Oct. 9, apterous male (a single individual) 
Sept. 11; rather common but difficult to find on account of its solitary habit. 
Type. U.S.N.M., No. 41955. Paratypes, Colo. Agr. Exp. Sta. Collection. 
Chief Distinguishing Characters. Long tibial hairs, large cornicle not cov- 
ered by powder and bearing two lengths of hairs and relatively short rostral 
IV. 
This species is very close to C. juniperi (De Geer) but De Geer’s descrip- 
tion gives the following differences: Occurrence in large colonies and hairs 
very short on body and appendages. In C. sibiricae occurrence is solitary and 
the hairs are long. 
Cinara solitaria (Gillette and Palmer) 
The Ponderosa Pine Tip Aphid 
-* Dorsal 
Fig. 44. Cinara solitaria 
Lachnus solitarius Gillette and Palmer, 1924:17. 
Cinara solitaria, Gillette and Palmer, 1931:870. 
Fundatrix. Same as apterous summer vivipara except less yellowish on abdomen and 
antenna slightly shorter, 1.1-1.3 and a few sensoria on hind tibia, as figured. 
Apterous Summer Vivipara. Dull dusky brown or greenish to yellow-brown, with six 
longitudinal rows of black dots; slightly powdery; antenna, except III and proximal! half of 
