April, '08] ENTOMOLOGICAL NEWS. 145 



Aphis folsomii n. sp. 



Wingless -viviparous female. Body very dark brown, head paler. 

 Antennae dark brown to black, excepting the fourth and fifth segments, 

 which are white ; not reaching the cornicles. Eyes black. Beak pale, 

 excepting the bases of the femora and the distal ends of the tibiae. 

 Fore legs light brown, excepting at the joints and the tarsi. Middle 

 pair of legs as in fore pair, except that the darkened area is greater. 

 There are about five indistinct spots or pits, darker than the body 

 color, dorsally and on each side of the abdomen. Cornicles black, cyl- 

 indrical, imbricate, slightly dilated apically, and two and a half to 

 three times the length of the tarsi. Style black, conical and about one- 

 half the cornicles in length. 



Measurements. Length of body, 2.0-2.254 mm.; width, 1.40-1.781 

 mm.; antenna, I, 0.08 1 ; II, 0.049; III, 0.212; IV, 0.146; V, 0.195; VI, 

 basal, 0.114; filament, 0.228; total, 1.025 mm. (Measurements from 

 live specimens.) 



Winged viviparous female. Head and thorax black, abdomen dark 

 brown. Antennae concolorous with the abdomen, not reaching to the 

 conr'cles, imbricated; with four to seven circular sensoria on seg- 

 ment III and, as usual, one at the distal end of V, and several at 

 the apex of the thickened basal portion of VI. Eyes black. Wings 

 hyaline, with conspicuous black veins, the first and second discoidals 

 branching at a point about two-thirds the distance from where they 

 leave the third discoidal to the margin. Legs dark with small paler 

 areas at the middle of the tibiae and femora. Cornicles black, cylin- 

 drical, imbricated, slightly dilated apically, and twice the length of tarsi. 

 Style dark, conical, and one-half as long as the cornicles. 



Measurements. Length of body, 1.62-2.036 mm. ; width, 0.81-0.98 

 mm.; length of wing, 2.21-2.62 mm.; antenna, I, 0.0652; II, 0.0733; HI, 

 0.2727; IV, 0.2454; V, 0.2545; VI, basal, 0.1031; filament, 0.3999; total, 

 1.4141 mm.; cornicles, 0.218-0.255 mm.; style, 0.122 mm.; hind tarsus, 

 0.126 mm. (Measurements from live specimens.) 



Pupa. Abdomen with no white flocculent spots. Legs (excepting 

 tarsi), antennae (excepting tips), and cornicles white, to the naked 

 eye. Style with a slight whitish bloom. 



Wingless oviparous female. Abdomen reddish brown, thorax darker, 

 and head paler. Antennae dark, excepting segments 111, IV, and V, 

 which are white, imbricate, and not reaching to the cornicles, l-'.yes 

 black. Beak reaching to hind coxae. Abdomen with a row of very 

 minute black dots on each side. Tarsi and articulations of the i 

 pair of legs dark to black, remainder pale bmwni^h; middle pair with 

 darkened area larger; hind legs almost entirely dark bmwn to black, 

 the hind tibiae swollen and with numbers of sensoria along the inner 

 side. Cornicles concolorous with abdomen, cylindrical, imbricate, and 

 slightly longer than the body color, conical, equal to or slightly less 

 than the hind tarsi in length. 



