64 APHIDS OF THE ROCKY MOUNTAIN REGION 
00090000 Saas = i 
: 25- « (O- 
A. ow hlate Viv 1.25-1,395 Sen.(o-17 
EGR ee Sere 
re 2 45-53 ae 
25 Ww 2 
Rost 
Alate Vivipara 
Alate Viv. 
Fig. 62. Calaphis betullela 
Calaphis coloradensis Granovsky 
Calaphis coloradensis Granovsky, 1939:145. 
Apterous Summer Vivipara. ‘‘Pale yellowish to greenish rarely with brownish shading”’ ; 
with appendages pale except antenna annulated and tarsi, knees and tips of tibiae black. Body 
length 1.50-1.60; across eyes .42-.45; antenna about 3; hind tibia 1-1.40; hind tarsi .15; rostral 
IV—V .13-.15, attaining about to 2d coxa. Cauda knobbed; anal plate indented. Cornicle 
truncate, narrower in middle. Hairs capitate, long and conspicuous on vertex and body; in- 
conspicuous and sparse on antenna; pointed and short on tibiae. 
Alate Vivipara. Head and thorax ‘“‘orange-yellow; abdomen pale yellow with greenish 
patches’’; appendages pale except antenna annulated and tarsi, knees and tips of tibiae black. 
Fore wing hyaline with costa and subcosta pale, stigma somewhat darkened along posterior 
side and especially on distal end; anal and cubital veins heavy and narrowly bordered. Body 
length ‘1.54"’-1.7; antenna 2.50; hind tibia 1.15; rostrum attaining between lst and 2d coxae. 
Hairs slightly capitate, short and sparse on vertex and body; pointed and short on tibiae. 
Ovipara. Apterous. ‘Pale greenish yellow to orange, usually with black transverse 
bands’; appendages as in viviparae. Body length 2.30 including ovipositor which is slightly 
drawn out; antenna about 2.70, hind tibia with proximal two-thirds slightly swollen and bear- 
ing numerous sensoria. Otherwise as in summer apterous vivipara except anal plate which is 
entire. 
Male. Apterous. Color same as in ovipara except that dorsal bands may be coalesced. 
Body length ‘1.47’; antenna 2.60-2.90; hind tibia 1.12. 
Band seus SDI SICTY ES: —a6awe 
50-78 Fund. 42 -50- .58 
10 
[i \ ceoneripreresegpese | 5 | POP 
mee 
y) 
F..37 
53.78 42 —60 
! 1s see T ; 
Opeth 95-80 SON. livi3 56268 0253 pe 
iB-22 46-55 
Fig. 63. Calaphis coloradensis 
Collections. On Betula fontinalis and B. alba, on leaves and terminal shoots. 
Colorado: Denver, Fort Collins and Manitou. Utah: Various localities especially 
in north central part of state. Apterous viviparae Apr. 29 to Oct. 4, alate vivi- 
parae Apr. 29 to June 21, sexuales Sept. 28 to Oct. 20; rare. 
