764 



FAMILY XXIX. — MIRID/E. 



of antennae brownish-black, but little longer than width of vertex; 2 three 

 times as long as 1, greenish-yellow, its extreme base and apical fourth 

 blackish; 3 fuscous, paler at base, nearly twice as long as 1 ; 4 fuscous, 

 slightly shorter than 3. Pronotum, except calli, coarsely and evenly 

 punctate. Scutellum strongly transversely strigose. Clavus rugosely 

 punctate, corium densely granulate-punctate. Female usually paler than 

 male with second antennal about one-eighth shorter. Length, 5.5 — 6 mm. 



Marion, Vigo and Knox counties, Ind., June 13 — Oct. 17 ; 

 common in autumn on flowers of goldenrod and ragweed, one 

 on the later date beneath a log. Natick, Mass., June 5 (Frost). 

 Ranges from Quebec and New England west to Missouri and 

 California. Not recorded in the east south of the District of 

 Columbia. Breeds on the great ragweed, Ambrosia trifida L. 



788 (1031). Lygus pratensis (Linnaeus), 1758, 448. 



Oblong-oval. General color dull reddish or brownish-yellow marked 

 with blackish ; head glabrous with three or four dark reddish or piceous 



stripes; pronotum almost glabrous, 

 the collar, narrow edge of all the 

 margins, median line and two ab- 

 breviated stripes each side pale 

 greenish-yellow, a submarginal line 

 and four stripes alternating with 

 the yellow ones, blackish; scutellum 

 blackish with a Y-shaped mark, in- 

 cluding apex, yellowish - white; 

 elytra finely pubescent, clavus and 

 corium usually reddish-brown, the 

 former with a fuscous blotch at 

 middle, the latter with apical third 

 more or less fuscous, claval vein 

 and embolium pale yellow; cuneus 

 yellowish - translucent, the inner 

 basal angle and apex reddish, ex- 

 treme tip piceous; membrane dusky 

 with faint white blotches, cells 

 darker, veins paler; femora red- 

 dish-brown, spotted or annulate 

 with paler; tibia? greenish or red- 

 dish-yellow, their tips and a ring 

 near base darker; tips of tarsi and 

 beak piceous; ventrals blackish 

 with a pale stripe along sides. An- 

 tennae blackish, joint 2 usually with 

 a pale ring at basal fourth; joint 

 1 slightly longer than width of vertex, 2 nearly three times longer than 

 1, 3 three-fifths the length of 2, one-sixth longer than 4. Disk of prono- 

 tum behind calli, coarsely, deeply and unevenly punctate. Clavus rather 



Pig. 17 1. I.iniiis iirulnisis I.. 



I itter \v,-iss i. 



X L . 



