SUBFAMILY APHINAE 181 
Collections. On leaves of Atriplex sp. Colorado: Colorado Springs, Trini- 
dad, Waverly and Grover. Alate and apterous viviparae June 10 to Aug. 30; 
rare, probably on account of scarcity of hosts where collecting has been done. 
Cotypes. U.S.N.M. 
Alate Viv > 06 
+ ui NNR VAR CULES UND OE ee _— 
[SEE CTI oS ~ (a RES 
22 Sen. 5-6 
~17 08-10 
Pe cee ae anes ete ee 
Fig. 206. Aphis tetrapteralis 
Chief Distinguishing Characters. Short acute cauda bearing 3-4 pairs of 
lateral hairs, short cornicle (shorter than the cauda), short unguis (no longer 
than the cornicle and shorter than hind tarsal II). 
Aphis tulipae Boyer de Fonscolombe 
The Tulip Aphid 
“tint ih cblyaets Boyer de Fonscolombe, 1841:167; Felt, 1909:19; Gillette and Palmer, 
Anuraphis tulipae, Theobald, 1927:238. 
Apterous Summer Vivipara. Fawn color to pinkish or greenish with head, pair of patches 
on pronotum and dorsal dashes on abdominal VII and VIII and dorsal speckles dusky; distal 
half of antenna, tip of rostrum, cornicle, cauda, anal plate, tarsi and tips of tibiae dusky to 
blackish. Body length 1.90; hind tibia .75-.85; antenna 1. 
Alate Vivipara. Head and thorax black; abdomen pale yellow or greenish with dark 
dorsal patch on III, IV and V often also on VI and VII; all appendages and anal plate dusky 
to blackish. Body length 1.50-1.70; hind tibia .90; antenna 1.20-1.30; rostrum attaining be- 
tween 2d and 3d coxa. Hairs pointed, drooping; .02-.03 long on hind tibia. Cornicle cylindri- 
cal, with distinct flange and but faintly imbricated. Cauda tapering, about as broad as long 
and bearing 2 pairs of lateral hairs and a single preapical one. Lateral tubercles developed. 
A pair of dorsolateral tubercles on abdominal VII pee VIII and on occiput on head. 
(Ha 
. 2. , pt Bae td R ed 
6) era ap Pie, tO Alate = Apt. 
: y, 
Fig. 207. Aphis tulipae 
Collections. At bases of stems of celery (Apium graveolens), water hem- 
lock (Cicuta douglasi), carrot (Daucus carota), on bulbs of Gladiolus sp., Iris 
sp. and Tulipa sp. Colorado: Boulder, Denver and Las Animas. Utah: Layton 
and Logan. Alate and apterous viviparae April 15 to Sept. 25 and throughout 
the winter on bulbs in storage; not very common. 
Chief Distinguishing Characters. Short tapering cauda, bearing 5 long 
hairs, numerous tuberculate sensoria on III and IV of alate vivipara and short 
imbricated cornicle (not longer than restral IV+V). 
Aphis unaweepiensis Hottes 
Aphis unaweepiensis Hottes, 1948b:33. 
ee] } Ry POs PEP OMAR yD 74 SRT 
ane (Perrier 17 ae Te 22 “dea. ao et a aa Sees 
Hd. 
+S) 
"20 -.32 
Fig. 208. Aphis unaweepiensis 
Apterous Summer Vivipara. (Mounted on slide), body green, immaculate; appendages 
pale except following parts which are dusky to blackish: Antenna beyond middle of IV, 
cornicle especially distally, cauda, anal and genital plates, rostral III and IV+V, coxae, 
femora, knees, tarsi and tips of tibiae. Body length 2-2.50; across eyes .45-.46; antenna 
-90-1.17; hind tibia .80-.93; rostrum attaining abdominal II or III. Lateral tubercles but 
