SUBFAMILY APHINAE 267 
Apterous Summer Vivipara. Same as alata except as follows: Antenna 1.3-1.7; hind tibia 
.85-1.05. Hairs sessile, funnel-shaped to cylindrical, on dorsum of entire body .015-.04 long; 
on vertex pointed to blunt to slightly funnel-shaped with stalk; on antenna and on hind 
tibia pointed. 
Alate vin av 
Fig. 319. Capitophorus pullus 
Collections. On leaves of Artemisia longifolia. Colorado-Wyoming line at 
Chimney Rock (near Jelm,; Wyoming). Utah: Logan Canyon. Apterous and 
alate viviparae June 26, alate viviparae July 6; rare, but quite plentiful and in 
large colonies where found. 
Type. U.S.N.M., No. 49293. Paratypes, Colo. Agr. Exp. Sta. Collection. 
Chief Distinguishing Characters. Brown body, two kinds of hairs (funnel- 
shaped and pointed) on head and cornicle length (not shorter than III). 
Capitophorus pycnorhysus Knowlton and Smith 
Capitophorus pycnorhysus Knowlton and Smith, 1936c:111. 
Apterous Summer Vivipara. ‘‘Paie to apple-green.”’ (Mounted on slide), body immaculate 
with tibiae sordid yellow; antenna beginning with tip of III dusky; tarsi, tips of tibiae and 
of rostrum blackish; cauda, anal plate and cornicle pale. Body length 1.3-2; across eyes .44-. 
47; antenna about 2.70; hind tibia 1.00-1.50; rostrum attaining 2d coxa; hairs on body broadly 
to narrowly infundibulate, rather sparse. Cauda slightly narrowed at neck or tapering, bearing 
2 pairs of lateral hairs and a single dorsal preapical one. Cornicle slightly clavate or at least 
with flange oblique, imbricated. 
Alate Vivipara. Same as aptera or appendages darker, cornicle pale proximally and 
dusky distally; tibiae and antenna, after base of III, dusky. Body length 1.50; antenna about 
2.70; hind tibia 1.30; rostrum attaining 2d coxa. Otherwise as in aptera. 
Collections. On Chrysothamnus viscidiflorus, Gutierrezia sp. and Artemisia 
sp. Generally in northern Utah and southern Idaho. Apterous and alate vivi- 
parae June 9 to Aug. 25; apparently rather common. 
CE LD 
Apt. ; J » 
- 5 Tis CO; eee 
err Aas se 0! WRC AnOHARAIODION 
Ta it-.] ea 5 Apt. 48 
65-72. $en, S-) 5E-65-70 ‘A250 -, 
AS ee ieeze 84-130 
Fig. 320. Capitophorus pycnorhysus 
Type. U.S.N.M. or Knowlton Collection. Paratypes, Colo. Agr. Exp. Sta. 
Collection. 
Chief Distinguishing Characters. Shape of hairs cn vertex (slender-in- 
fundibulate to almost stalked), length of cornicle (lcnger than IV and 5.5-7 
times length of rostral IV-+-V), length of IV and V (each.shorter than cornicle), 
pale green body, length of VI (.10-.14, abcut the same as hind tarsal II) and 
shape of the tip of rostral IV+V (acute but not needlelike in ventral aspect). 
