SUBFAMILY APHINAE 243 
Alate Vivipara. Head and thorax dark; abdomen greenish yellow, often pinkish es- 
pecially in fall; with dusky lateral areas and dorsal patch; antenna black except base of III; 
legs and cauda pale; cornicle slightly dusky. Body length 2.5-3; across eyes .45-.49; hind tibia 
1.45-1.9; rostrum attaining between Ist and 2d coxae. Hairs blunt to slightly capitate; on side 
of body .01 or not evident. Cornicle on distal half to two-thirds swollen to twice width at 
base, smooth and without reticulation but with rows of transverse imbrications next to flange. 
Cauda tapering, with slight indication of neck, nearing three pairs of lateral hairs. 
-Ovipara. Apterous. Pale yellow; cornicle and appendages sordid to dusky with tarsi, 
tips of antennal segments and of tibiae blackish; cauda pale. Measurements about as in 
apterous summer vivipara or antenna shorter, 1.40-2. Proximal half or more of hind tibia 
slightly swollen and bearing numerous sensoria. 
7 ; ut PO ee OR Rr as res wer 
Apt. Viv (ee <7 C65-.85) =e 
ve ee re SMA WE ed TUNER 
(.66- 0): (S¢r./0-2) in fall; 6-10 1n spring) 38-4 hak (38 -. 
Pale DO. T0527 008 Jo X05 Oita 
= OS oO pea a ETE ADNS OO 
Alate Wy 
¢ ‘) 58) 
Alate 
Viv 
N 
(37--43) 
g Hd. Ti. 00 95 28: E-Y,) 
¢ 22d'6 0 pals 0% 
a 6) 
O lowen-) 
2 Ooo 
2 0020 | 
Ant of & = Alate Viv. 
Fig. 288. Amphorophora sonchi 
Male. Alate. Head and thorax blackish; abdomen yellow-brown, with heavy dorsal 
bands on III, IV and V; appendages dusky brown; cornicle and cauda pale brownish. Meas- 
urements about as in alate vivipara. Sensoria present on III, IV and V. 
Egg. Newly laid, sordid to pale honey-yellow; later, black. Size .70 by .30. 
Collections. As winter host, on leaves of golden currant (Ribes aureum) 
and black currant (R. nigrum), not causing red blisters; as summer hosts, leaves 
of celery (Apium graveolens), sow thistle (Sonchus oleraceus), wild lettuce 
(Lactuca sp.). Throughout,region. Apterous summer viviparae on Ribes June 
9 to July 2, on summer hosts July to Oct. 27; alate viviparae on Ribes June 9 to 
11 and Sept. 29 to Nov. 7, on summer hosts July 21 to Oct. 20; oviparae on Ribes 
Sept. 29 to Nov. 7; alate males on Ribes and summer hosts Sept. 29 to Nov. 7; 
common. 
Cotypes. Univ. of Minn. Collection. 
Chief Distinguishing Characters. Numerous tuberculate sensoria present on 
III, IV and V in alate vivipara and also on alate male, presence of sensoria on 
III in apterous vivipara and ovipara, smooth, non-reticulated cornicle, swollen 
on distal two-thirds to twice width at base and dorsal patch on abdomen of 
alate vivipara. 
Determination of this species was aided by examinatizn of Oestlund’s type 
specimens kindly loaned by H. E. Milliron. Oestlund’s specimens are certainly 
not M. persicae and he was mistaken in proclaiming them as such (1887:76). 
Amphorophora stanleyi (Wilson) n. comb. 
Macrosiphum stanleyi Wilson, 1915b:82; Gillette and Palmer, 1934:197. 
Apterous Summer Vivipara. “Light yellowish green,’ (mounted in balsam), body im- 
maculate; all appendages pale except tips of tibiae, rostrum and antenna and entire tarsi 
_which are blackish.. Body length 2-4.4; across eyes .65; hind tibia 2.5-3.5; hind tarsal II 
.15-.16; antenna 5-6; rostrum attaining or surpassing 2d coxa. Hairs slightly capitate; on side 
of abdomen .04. Cornicle slightly swollen just proximad to reticulation. Cauda rather broad 
and short, tapering or nearly parallel-sided with blunt tip, bearing 5 pairs of lateral and 2-3 
pairs of dorsolateral hairs and about 3 single dorsal ones. 
Alate Vivipara. (Mounted on slide), head and thorax dark; otherwise as in apterous vivi- 
para except as shown in figure, and hairs slightly shorter. 
Ovipara. Apterous. (Mounted in balsam), dark markings. same as in apterous vivipara. 
Body length 3-354; hind tibia 3.2 with proximal half or third very slightly swollen and bearing 
