44 APHIDS OF THE ROCKY MOUNTAIN REGION 
Egg. Black, with slight powder. 
Collections. On Pseudotsuga taxifolia, on bark of twigs; eggs laid end to 
end lengthwise on upperside of needles, in rows of two or three on a needle. 
Colorado: Glen Haven, foothills near Bellvue, Rocky Mountain National Park 
and Pingree Park. Fundatrices June 3 to 27, apterous summer viviparae June 16 
to July 6 and Sept. 1, alate viviparae June 20 to Sept. 26, sexuales Sept.*8 to 
27; not common. 
Type. Granovsky Collection. 
Chief Distinguishing Characters. Character of the cornicle (a mere rim 
with hardly noticeable base) and moderately spinelike and not very numerous 
tibial hairs. 
Cinara pulverulens (Gillette and Palmer) 
The Powdery Juniper Aphid 
Alate = © 2 
5 Lee y 
SOS Hd Ta 
o “ssi 
CRE sa r ig tate ath O- Vii Galeiae 
Fig. 40. Cinara pulverulens 
Lachnus pulverulens Gillette and Palmer, 1924:40. 
Lachnus burrilli Wilson, Knowlton, 1930:158 (misidentification). 
Cinara pulverulens, Gillette and Palmer, 1931:866. 
Apterous Summer Vivipara. Yellowish brown, with a pair of longitudinal rows of black 
areas vanishing posteriorly; heavily pulverulent throughout except on black areas; cornicle 
black; tibiae mostly yellow, only tips and tarsi black; antenna yellow with V and VI black- 
ish. Body length 2.2-2.9, robust; hind tibia 1.2-1.5; hind tarsal II .22; antenna .95; rostrum 
attaining abdomen. Hairs fine, rather numerous, on hind tibia, length equalling or slightly 
exceeding diameter of tibia. 
Alate Vivipara. Head and thorax dark brown. Other parts same color as aptera. Body 
length 2; hind tibia .90; antenna .80. Fore wing with media twice-branched. Hairs on hind 
tibia with length barely twice the diameter of tibia. Otherwise same as aptera. 
Ovipara. Same as apterous vivipara except hind tibia which is dark throughout, swollen 
and bearing sensoria. 
Male. Alate. Similar to alate vivipara except antenna, as figured. 
Collections. On Juniperus scopulorum and J. utahensis, on bark of twigs. 
Colorado: Fort Collins, Laramie-Poudre Tunnel, Masonville, Estes Park, Big 
Thompson Canyon and Colorado Springs. Utah: Smithfield Cany2n, Providence 
Canyon and Logan. Alate viviparae Mar. 22 and Aug. 1 and 22, apterous vivi- 
parae Mar. 22 and Aug. 1 to Sept. 31, oviparae Sept. 29 to Oct. 17, males Sept. 
29; quite rare. 
Type. U.S.N.M., No. 42812. Paratypes, Colo. Agr. Exp. Sta. Collection. 
Chief Distinguishing Characters. Heavy pulverulence throughout with 
absence of any black bands, moderately long tibial hairs (.08-.10 long) and 
small cornicle (.15 in diameter at base of cone). 
