Pomona College Journal op Entomology 763 



Wings — hong and slender with dusky markinfjs. 



Cornicles — Sliort, very wide at the hase, apic;il part cylindfical, iiioutli 

 very irregidar, with rough edges. 



Style — Three times as long as the eornieles, tij) kuohlieil, iiiiddh- slightly 

 constricted, basal portion as long as the apieal, extreme hase wider than the 

 width of the knob. 



Anal plate — Strongly bi-lobed, the constriction forming a "V" between 

 the lobes. 



E. tiliae (Linn.) Schouteden. On tlie leaves of the linden (Tilia sp.). 

 Collected by Davidson at Palo Alto, California, Jr. Ee. Ent., II, 302, 19Uf). 

 Again reported by the same author on Tilia amcricana at Palo Alto, California. 

 Jr. Ec. Ent., Ill, 376, 1910. 



CHROMAPHIS Walker, 1870 

 Type Aphis juglandicola Kaltenbach 



Body — Short and stout; forehead wide, with large oeellar tuben-lc in 

 center and small tubercle on each side. 



Antennae — Shorter than the body, not on frontal tubercles, spur of article 

 VI much shorter than the base (about one-eighth as long). 



Wings — Long and slender. 



Cornicles — Short, constricted in the middle, much wider at base than at 

 the mouth, and tapering. 



Slyle — Short, globular or knobbed at tip, constricted below the knob and 

 wide at the extreme base. 



Anal plate — Only slightly constricted in the middle to form lobes. 



C. juglandicola (Kalt.) Walker. Taken by the writer throughout the 

 southern part of the state on the Cultivated English Walnut (Juglans regia 

 L.). It occurs in great numbers on the undersides of the leaves. (Description 

 follows.) p. C. Jr. Ent., I, 51, 1909. 



MONAPHIS W alker, 1870 

 Syn. Bradyaphis Mnrdwilko. 1894 

 Type Aphis antennata Kaltenbach 



Body — Elongated, forehead narrow and oblique to the sides of the anten- 

 nal tubercles. 



Ante7inae — Longer than the body; situated on prominent, bi-oad tuber- 

 cles ; spur of article VI slender and twice as long as the base. 



Wings — Long and slender. 



Cornicles — Hardly more than pores with a chitinous ring around the edge. 



Style — Short and l)roadly pointed with knobbed tip (in this respect it 

 differs from the rest of the genera). 



Anal plate — Deeply constricted in the middle and forming two distinct 

 lobes; short. 



So far no representatives of this genus have been reported in America. 



