SUBFAMILY IX. — PHYLIN.-E. 929 



Recorded only from near Ithaca, N. Y., where it occurred in 

 some numbers in July on the winterberry, Ilex verticillata (L.) . 



Group B. — Plagiognathus. 



To this group belong 18 species and four varieties of our 

 eastern forms of the genus. 111 



KEY TO EASTERN SPECIES AND VARIETIES OP GROUP B, PLAGIOGXATHUS. 



a. Cuneus in part or wholly black or blackish, never chiefly brown. 

 6. Cuneus more or less pale at base, 

 c. Scutellum in part pale. 

 d. Scutellum black along median line, the lateral margins broadly 

 pale. 1038. obscurus. 



dd. Scutellum pale along median line, sometimes pale only at apex, 

 or broadly pale with only the basal angles blackish. 

 e. Cuneus pale at base and along outer margin ; femora pale to 

 fulvous, hind ones with two rows of distinct brown or blackish 

 spots; length, 4 — 4.5 mm. 1039. flavoscutellatus. 



ee. Cuneus pale at base, but not along outer margin; femora pale 

 to black, usually blackish at base and paler on middle, with- 

 out rows of dots, sometimes with only the tips pale; length, 

 3.8 — 4 mmm. 1042a. politus var. flaveolus. 



cc. Scutellum uniformly black. 



/. Pronotum pale in front; corium chiefly pale testaceous or ivory 

 white, its apical half with a large suboval fuscous spot; cuneus 

 pale with a small black spot at apex. 1040. fraternus. 



//. Pronotum and elytra black; cuneus with a small pale lunule at 

 base. 

 g. Femora black, their tips pale. 

 h. Length, 4.7 mm.; beak reaching upon middle coxae; pubescence 

 yellowish. 1041. intrusus. 



hh. Length, 3.5 mm.; beak slightly surpassing hind coxa?; pubes- 

 cence white. 1042. politus. 

 gg. Femora yellowish with one or two rows of black spots on front 

 face; pubescence yellowish; length, 4 mm. 



1044a. annulatus var. cuneatus. 



66. Cuneus uniformly black or fuscous like the corium, rarely slightly 



paler at the fracture. 



i. Beak and legs chiefly yellowish; femora with black lines or spots. 



j. Smaller, not over 3 mm. ; femora with a few small blackish spots, 



but without black lines ; elytra uniformly black, cuneus never 



pale at base. 1043. repetitus. 



jj. Larger, length 3.8 — 4.5 mm. 



k. Apical half of hind femora with black spots on front face and 

 a black line on both upper and lower faces. 



1044. annulatus. 



!>3The P. mcerens Reut. (1909, 80) is a western species and the Michigan record 

 of Townsend under that name was based on a manuscript name of Uhler, nearly 

 twenty years before Reuter described the species. 



