SUBFAMILY APHINAE 345 
Ovipara. Dull olive-green, tinged laterally with rusty red; all appendages dusky es- 
pecially hind tibiae which are blackish. Body length 1.33; across eyes .30; antenna .93; hind 
tibia with proximal four-fifths moderately swollen and bearing numerous rather large sen- 
soria. 
Male. Alate. Head and thorax black; abdomen dark green with black dorsal bands and 
lateral areas; all appendages dusky to blackish. Body length 1.33; antenna 2; hind tibia 1. 
Collections. On leaves of Plum (Prunus sp.) as winter host, on leaves of 
Hop (Humulus lupulus) as summer host. Throughout region. Apterous summer 
viviparae April 26 to July 18, or a few all summer on plum, on hop July 11 to 
Sept. 29; alate viviparae June 27 to July 11 on plum, on hop Aug. 21 to Sept. 
19; oviparae on plum Oct. 28 to Nov. 25; males Oct. 16; rather common. 
Hnoo= ety a 
Ew) 5 SS arta hol R 
Wael Tay) Gg Ss 
— bs Ti _® (Coomera | RST, (7 
2 (30 - ao , 
FOO) ONO Soar er rE oe ee ee tctoreseete. 
coer, aes (25-30) (Sen. 1-2) (26-29) (12) (44 -47) 
33 A? O7 ; 22-.27 
Fig. 414. Phorodon humuli 
Chief Distinguishing Characters. Length of antennal IV (shorter than 4 
times length of hind tarsal II and shorter than three-quarters of the length of 
III), length of rostral IV+V (not longer than .11, not longer than base of VI in 
alate vivipara) and length of unguis (usually not longer than III). 
Phorodon menthae (Buckton) 
Siphonophora menthae Buckton, 1876:120. 
Phorodon menthae, Theobald, 1926:278; Gillette and Palmer, 1934:208. 
Apterous Summer Vivipara. Yellow green to apple-green, mottled with darker green; 
cauda, cornicle and tibiae pale. Body length 1.5-1.9; across eyes .33-.43; hind tibia .70-.95; 
hind tarsal II .09; antenna 1.55-2; rostrum attaining between 2d and 3d coxae. Cornicle cylin- 
drical, slender, faintly imbricated. Cauda tapering to slender point, bearing about 3 pairs of 
lateral hairs. 
Alate Vivipara. Head and thorax dark brown; abdomen yellow-green to green-yellow, 
mottled; appendages pale except antenna dusky; veins of fore wing more or less heavy. Body 
length 1.5-1.66; across eyes .36; hind tibia .95-1.08; hind tarsal II .09; antenna 1.94-2.34; 
rostrum attaining between 2d and 3d coxae. Hairs blunt; on side of abdomen .01-.02. Cornicle 
and cauda as in aptera. 
Co.(Alate -Apt) 
(30 - 44) 
Fig. 415. Phorodon menthae 
Collections. On leaves of Mentha sp. Colorado: Boulder and Fort Collins. 
Apterous summer viviparae all months of the year; alate viviparae all months 
except April, May and July; fairly common. 
Cotypes. British Museum. 
Chief Distinguishing Characters. Length of IV (4 or more times length of 
hind tarsus in alata and three-quarters as long as III), length of rostral IV-++V 
(.13, as long to longer than base of antennal VI) and length of unguis (usually 
longer than HI). 
