THE CANADIAN ENTOMOLOGIST. 155 



1. L. salicicola, Uhler. 6. L. abietis, Fitch. 



Syn. Aphis salicti, Harris. 7. L. alnifoliae, Fitch. 



2. L. dentatus, LeBaron. 8. L. quercifoliae, Fitch. 



3. L. caryae, Harris. 9. L. saHceHs, Fitch. 



4. L. strobi, Fitch. 10. L. longistigma, Monell. 



5. L. laricifex, Fitch. 11. L. australi, Ashmead. 

 To these I add the following : 



12. Lachnus quercicolens, n. sp. 



Wingless female. — Length .05 inch. Ovate. Reddish, becoming 

 brown with age. Vertex of head brown ; beak reaching to middle coxae, 

 reddish at base, 3'ellowish in middle and brown at tip ; antennae 7-jointed. 

 reaching to honey tubes, whitish, basal joint reddish, joints annulated at 

 tip with black, apical joint short, black ; honey tubes almost obsolete, as 

 wide as long, whitish ; style hardly visible, whitish, pubescent ; legs pubes- 

 cent, posterior pair dark brown or black, middle and anterior pair reddish 

 yellow, feet infuscated. 



Winged individual. — Length .05 inch. Same as apterous female 

 excepting abdomen is lighter in color, middle femora and coxae dark 

 brown, and wings hyaline, with the stigma and veins green. 



This species was found early in February, feeding on the under surface 

 of the leaves of the live oak, Quercus vireiis. Winged specimens, how- 

 ever, were not taken until April. 



Genus PhyNap/tis, Koch. 



The only species so far known belonging to this genus is 



1. Phyllaphis fagi, Linn. 

 To this I now add 



2. Phyllaphis niger, n. sp. 



Wingless female. — Length .05 inch. Ovate and of a shinmg black 

 color. Head broad, nearly as long as wide, slightly arcuate in front and 

 with two longitudinal depressions on vertex. 



Beak long, reaching beyond hind cox^e, black at base, but becoming- 

 reddish towards tip and slightly pubescent ; antennae 7-jointed, situated 

 very widely apart and not on tubercles, brownish in color with the terminal 

 joint very minute ; metathorax a broad, smooth, shining, convex plate ; 

 abdomen wider than long, sides flattened to honey tubes, slightly pubes- 

 cent ; honey tubes black, almost obsolete, as wide as long ; style not 

 visible, anus pubescent ; legs dark brown, approaching black, pubescent, 

 posterior pair long. 



