44 Thomas Albert Williams 



about half the length of the body, whitish, dusky at base and apices Beak 

 reaching beyond middle coxae. All of the coxae brown. Legs pinkish 

 white, with dusky femoral tips and black tibial tips and tarsi. Abdomen 

 distinctly carinated, often with one or two marginal rows of dark im- 

 pressed dots. Honey tubes greenish black, about twice the tarsi in length. 

 Tail either same color as abdomen or sometimes darker. 



Pupa: Much smaller than apterous form and much more thickly pulver- 

 ulent. Legs, antennae and honey tubes as in the above. Bases of wing- 

 pads white, remainder black. 



Winged viviparous female: Green. Head blackish brown. Antennae 

 brown to black, with paler articulations, on inconspicuous tubercles, reach- 

 ing almost or quite to base of honey tubes. Neck green. Prothorax brown, 

 with very small but distinct lateral tubercles. Thorax blackish brown. 

 Wing insertions and subcostal yellowish. Stigma conspicuous, dusky, with 

 a yellowish tinge. Veins brown to blackish. Legs greenish to dusky, with 

 dusky to black joints and tarsi. Abdomen green, with marginal spots, 

 irregular transverse rows of brownish spots, a large brown spot at the 

 inner side and to the rear of the base of each honey tube, and one or two 

 more or less distinct transverse bands between these and the apex. Honey 

 tubes dark brown to black, about twice the tarsi in length. Tail short, 

 conical, obtuse, hairy, yellowish to dusky green. Anal plates brown. The 

 ventral surface of the thorax has a very characteristic broad, blackish 

 transverse band, which has two large lobes on its posterior edge. The 

 coxae are blackish brown. Length of body 1.80 mm., to tip of wings 

 3.50 mm. 



Found on the growing points of lily (Liliiim candidum) in 

 greenhouse. Lincoln, January 12, 1891. 



This may be A. lilii Lichtenstein (ined.), mentioned by him in 

 his Les Pucerons, p. 100 (1885). I have not been able to find 

 his description so give my louse the above name, which it can 

 hold till it is shown certainly to be his species. It is a very well 

 characterized species. 



Cotypes in collection of the University of Nebraska (nos. 67, 

 68) and of the U. S. National Museum (no. 15). 

 54. Aphis lonicerae Monell. 



Monell, Bull. U. S. Geol. Sur. Ter., Vol. I, p. 26 (1879). 



Oestlund, Syn. Aph. Minn., p. 55 (1887). 



Thomas, Ins. 111., 8th Rep., p. 104 (1879). Chaitophorus lonicera. 



Apterous form: General color green, very pulverulent, more or less cov- 

 ered with flocculency. Antennae hardly two thirds the body in length, 

 dusky at tips. Eyes very dark red or black. Beak reaching beyond the 



128 



