SUBFAMILY APHINAE 281 
Male. Alate. Head and thorax dark; abdomen reddish brown with large area of honey- 
yellow surrounding cornicle base; antenna dusky to black; cornicle, cauda and tibia pale. 
Body length 2; hind tibia 1.70; antenna 3. Otherwise as in alate vivipara. 
Collections. On leaves of Polemonium speciosum. Colorado: Cherokee 
Park, Rocky Mountain National Park and Glen Haven. Apterous summer vivi- 
parae (very scarce) Sept. 20, alate viviparae June 26, Aug. 4 and Sept. 20, males 
Sept. 20; abundant when occurring. 
Type. U.S.N.M., No. 41920. Paratypes, Colo. Agr. Exp. Sta. Collection. 
Chief Distinguishing Characters. Numerous tuberculate sensoria on III in 
viviparae both aptera and alata, long rostral IV+V, long unguis (not markedly 
shorter than III), and relatively long cornicle (longer than antennal IV). 
Kakimia potentillae (Williams) 
Myzus potentillae Williams, 1910:65; Davis, 1911b:23. 
Kakimia potentillae, Gillette and Palmer, 1934:165. 
Apterous Summer Vivipara. Yellowish green to amber-yellow; shining; antenna beyond 
base of III dusky; legs sordid, with tarsi and tips of tibiae blackish; cornicle and cauda pale. 
Body length 1.80-1.90; hind tibia 1.05-1.35; antenna 1.6-2.4; rostrum atttaining 3d coxa. Hairs 
slightly capitate; on side of body .05-.06. Cornicle cylindrical or tapering, imbricated and 
bearing from 1-3 hairs. Cauda tapering, bearing 2 pairs of lateral hairs and a single dorsal 
preapical one. 
’ Voy) 
Ha.“ VIN,» mm 
Ti SoA) 
Fig. 338. Kakimia potentillae 
Alate Vivipara. Head and prothorax sordid yellow; thoracic lobes yellow-brown; abdomen 
greenish yellow to lemon-yellow; shining; antenna dusky except base of III; legs pale brown- 
ish; cornicle and cauda pale; veins blackish and heavy. Measurements same as apterous 
vivipara except rostrum attaining only to 2d coxa and differences shown on figure. Hairs 
slightly capitate; on body .03-.04. 
Collections. On leaves of Potentilla sp. Colorado: Log Cabin (west of 
Livermore) and foothills near Fort Collins. Apterous summer viviparae May 
26 to Aug. 7, alate viviparae July 27 to Aug. 7; not common. 
Cotypes. U.S.N.M., No. 376 and Univ. of Neb. Collection, Nos. 107 and 108. 
Chief Distinguishing Characters. Presence of hairs on cornicle, length of 
cornicle (shorter than antennal IV), tuberculate sensoria on III, IV and V in 
alate vivipara and on III and IV in aptera, length of unguis (equalling II and 
length of rostral IV-++V (exceeding hind tarsal II). 
Kakimia purpurascens (Oestlund) 
Nectarophora purpurascens Oestlund, 1887:81. 
Macrosiphum purpurascens, Hottes and Frison, 1931a:318. 
Kakimia purpurascens, Gillette and Palmer, 1934:166. 
Fundatrix. Color and measurements same as in apterous vivipara except as follows: 
Antenna 1.40, III .35, bearing 1-2 sensoria, IV .24, V .22, VI .12+-.30. 
Apterous Summer Vivipara. Apple-green to yellowish green to pale olive-green; marked 
with brownish between cornicles, on median line of abdominal V, and dorsolaterally on III, 
IV, V and VI; antenna and cornicle slightly dusky, especially distally; cauda and legs pale. 
Body length 2-2.30; across eyes .47; hind tibia .95-1.35; hind tarsal II .13-.15; antenna 1.7-2.7; 
rostrum nearly attaining 2d coxa. Hairs slightly capitate; on side of body .01. Cornicle 
cylindrical or somewhat broader at base, imbricated. Cauda slender and tapering, bearing 4 
pairs of lateral hairs and one or two dorsal preapical ones. Lateral tubercles rudimentary. 
Alate Vivipara. Head and prothorax dusky green; thoracic lobes dark brown to blackish; 
abdomen light to dark olive-green, lightest on dorsum of abdominal III, IV and part of V, 
darker on mediah and posterior V and entire VI, VII and VIII; antenna beyond base of III 
