SUBFAMILY IX. — PHYLIN^E. 935 



1046 (— ) . Plagiognathus laricicola Knight, 1923, 452. 



Head, pronotum and scutellum fuscous-black, feebly shining, vertex 

 sometimes yellowish; color of elytra as in key; membrane fuscous, veins 

 pale, spot near apex of cuneus hyaline; legs dull fuscous-yellow, femora 

 with small vague brownish spots, tarsi blackish; ventrals fuscous-black, 

 covered with an opaque bloom. Joint 1 of antenna? black, 2 — 4 fuscous- 

 brown; 1 four-fifths as long as width of vertex, 2 almost four times the 

 length of 1, 3 and 4 united as long as 2. Length, 3.6 — 3.9 mm. 



Ithaca, N. Y., June 27 (Minn. Univ. Coll.). Ranges from New 

 England west to Minnesota and Alberta, occurring in June and 

 July on tamarack, Larix laricina (Du Roi). 



1047 ( — ). Plagiognathus nigronitens Knight, 1923, 435. 



Color as in key; base of vertex dull yellow; membrane pale fuscous, 

 a pale triangular spot near apex of cuneus; tarsi dull yellow, apical joint 

 blackish; ventrals shining black. Joint 1 of antenna? black, two-thirds 

 as long as width of vertex; 2 black, tip pale, three and one-half times 

 as long as 1 ; 3 dull yellow, four-fifths the length of 2; 4 dusky, two-thirds 

 as long as 3. Beak reaching between middle coxae. Scutellum finely 

 transversely rugose. Elytra scabrous. Length, 3 mm. 



Grand Junction, Mich., July 15 (III Nat. Hist. Surv. Coll.) . 

 Ranges from Ontario and New England west to Michigan and 

 Minnesota. Resembles politus but smaller and with shorter 

 beak. 



1048 ( — ). Plagiognathus nigritus Knight, 1923, 441. 



Color a uniform black or fuscous-black, rather thickly clothed with 

 inclined whitish hairs; membrane translucent fuscous, feebly iridescent, 

 the veins in part paler; tibia?, trochanters, middle of beak and tips of 

 femora pale yellow; black spots of tibia? conspicuous. Antenna? fuscous- 

 black, joint 1 slightly shorter than width of vertex, 2 nearly four times 

 longer than 1, 3 about one-half the length of 2. Eyes of male very large, 

 as long as width of vertex. Pronotum twice as wide at base as long, 

 disk minutely punctate, each puncture bearing a fine whitish hair. 

 Clavus and corium finely transversely rugose. Length, 4 — 4.4 mm. 



Marion Co., Ind., June 5 (W. S.B.) . Sherborn, Mass., Sept. 

 20 (Frost). Aberdeen, N. Car., June 6 (Brimley). Recorded 

 only from Connecticut and Colorado. 



1049 ( — ). Plagiognathus rosicola Knight, 1923, 446. 



Color as in o of key, clothed with yellowish pubescence; scutellum 

 and disk of cuneus slightly darker than pronotum; membrane a nearly 

 uniform fuscous, a pale spot near apex of cuneus, veins paler; legs straw- 

 yellow tinged with brownish, femora with two rows of prominent black 

 spots on front face, and some less distinct spots on hind one, black spots 

 at base of tibial spines prominent; sternum piceous, ventrals brownish- 

 yellow, genital segments blackish. Joints 1 and 2 of antenna? black, their 



