The Aphididae of Nebraska 87 



length (0.50 mm.), rather acute, hairy, upcurved, dusky to almost black. 

 Length of body 3 mm. 



Papa: Smaller, lighter colored, antennae and legs shorter. Wing-pads 

 blackish. 



Winged viviparous female: Slightly larger than the apterous female. 

 Bright red. Head and thorax shining black. Antennae longer than body, 

 colored as in apterous female. Abdomen without tubercles, pointed behind. 

 Honey tubes, legs and tail as in apterous female but generally with more 

 black. Wings with yellowish insertions, costal and subcostal ; stigma 

 dusky gray, very long, acutely pointed ; oblique veins slender and brownish. 



Winged male: Smaller than winged female. Head and thorax shining 

 black. Antennae very long, black, on rather small frontal tubercles. 

 Wings very large, branches- of cubital and stigmal coming very close 

 together and running almost parallel, otherwise as in female. Legs with 

 more yellow. Abdomen small, with brown marginal spots and irregular 

 markings on the dorsum. Honey tubes and tail as in female, but smaller. 

 Length of body 2.40 mm., to tip of wings 4.50 mm. 



On leaves and flower stalks of golden rod (Solidago sp.). 

 Very plentiful at Ashland during the later summer and autumn 

 months. Distinguished from 5. rudbeckiae by its movements and 

 tuberculate dorsum, and from ,S\ ambrosiae by its color and black 

 head and thorax. 



Specimens in the collection of the University of Nebraska (nos. 

 154, 155) and of the U. S. National Museum (nos. 288, 387, 388). 



114. Siphonophora verbenae Thomas. 



Thomas, Bull. 111. St. Lab. Nat. Hist., No. 2, p. 8 (1878). 



Thomas, Ins. 111., 8th Rep., p. 63 (1879). 

 Apterous viviparous female: Elongate oval. Bright pea green, generally 

 with a median stripe of darker green and more or less distinct marginal 

 stripes. Antennae about the length of the body; I, II and most of III 

 pale, apex of III and the remaining joints dusky to black. Eyes red. Legs 

 very long, pale, with dusky to black tibial tips and tarsi. Honey tubes 

 long, slender, green, with dusky tips. Tail half the honey tubes in length, 

 green. 



Winged viviparous female: Green. Head, two basal joints of antennae 

 and thoracic lobes olive brown. Eyes red. Antennae longer than the 

 body; all black but a very small part of the base of III and the two basal 

 joints; VII rather longer than III, the latter tuberculate. Beak reaching 

 to or slightly beyond middle coxae. Wings with pale yellowish insertions, 

 slender brownish veins, grayish stigma and venation variable. Legs dusky, 

 with whitish femoral bases, black femoral and tibial tips and tarsi, hairy, 



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