SUBFAMILY APHINAE 147 
Alate Fall Vivipara. ‘‘Head, thorax and appendages blackish to black; abdomen green 
with lateral patches of black; apical ends of antennal III, IV and V light.’’ Body length 
1,5-1.9; across eyes .40-.42; hind tibia .85-.95; antenna about 1.20 long; rostrum attaining 3d 
coxa. 
Ovipara. Apterous. ‘Yellowish green or reddish green; reticulated grayish pruinose; 
with fewer black areas than vivipara; antennae and cornicles black.’’ Body length 1.6-2; hind 
tibia .55-.75, slightly more robust than that of vivipara but sensoria hardly and rarely dis- 
cernible, not more than two seen at most.* 
Collections. On dandelion (Taraxacum officinale), yarrow (Achillea milli- 
folium) and corn (Zea mays), infesting crown and root, “under the surface of 
the ground to a depth of about three inches.” Colorado: Cherokee Park. Idaho: 
Riverdale. Utah: Logan. Alate and apterous viviparae Sept. 4 and 9, oviparae 
September 4 to 26; very numerous where occurring but infestations apparently 
rare. 
Cotypes. Ill. Nat. Hist. Survey Collection, No. 8957 and 10865. 
Chief Distinguishing Characters. Erect, fine, rather long (.04-.06), numerous 
hairs especially on the hind tibia also, though less numerous, on the antenna, 
number of sensoria (20-30) on III of alate vivipara, complete absence of sen- 
soria on antenna of ovipara and near or complete absence of the same on hind 
tibia of ovipara. 
Aphis laciniariae Gillette and Palmer 
Aphis laciniariae Gillette and Palmer, 1929a:15 and 1932b:408. 
Apterous Summer Viviparae. (Mounted on slide), cornicle, cauda and anal plate pale to 
dusky; tarsi and tips of appendages blackish. Body length 1.4; hind tibia .4-.5; hind tarsal II 
.10; antenna .75; rostrum attaining 3d coxa or abdomen. Cauda tapering, acute, bearing 3 
pairs of lateral hairs. 
pene wurlhcarm@ae ver —C, 
icp amare BAIR EYE) SOC eC aaa Hie? fan pn 
12-18 1013 09 ~.12 Fe 
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Fig. 163.. Aphis laciniariae 
Alate Vivipara. Same as aptera except as figured and rostrum attaining between 2d 
and 3d coxae. Secondary sensoria irregular in size. Lateral tubercles broad and blunt, 
present on prothorax and abdominal I to VI. Hairs pointed, minute, .01 long and very sparse 
on antenna, body and hind tibia. 
Ovipara. Apterous. Body length 1.10; hind tibia .37; antenna .65, III .12, IV .10, V .09, 
VI .08+.16; cornicle .13. Otherwise as in apterous vivipara except hind tibia which is 
slightly swollen, bearing about 10 large sensoria along nearly entire length. 
Male. Apterous. Body length 1; hind tibia .35; antenna .60, III .13, IV .10, V .08, VI 
.07-+.15, sensoria small, 7 on III, 5 on IV, 7 on V; cornicle .08. 
Collections. On leaves and stems of Liatris punctata. Colorado: Fort Col- 
lins and Boulder. Apterous summer viviparae July 5 to Sept. 7, alate viviparae 
July 5 to Aug. 28, sexuales Sept. 13 to Oct. 5; not common. 
Type. U.S.N.M., No. 41459. Paratypes, Colo. Agr. Exp. Sta. Collection. 
Chief Distinguishing Characters. Short pointed cauda with only 3 hairs 
on each side, small number of irregular-sized sensoria on III of alate vivipara 
and the sensoriation of the hind tibia of the ovipara. 
Aphis lugentis Williams 
Aphis lugentis Williams, 1910:46 (in part); Davis, 1911b:15 (in part); Gillette and 
Palmer, 1932b:409., 
Apterous Summer Vivipara. Dark olive or blackish green, often marked with dusky to 
black on head and dorsal bands and lateral areas on thorax, patch posterior to each cornicle 
*More thoroughly cleared specimens might reveal more sensoria. 
