860 FAMILY XXIX. — MIRID.E. 



gg. Pronotal disk not so broadly pale; general color black or fus- 

 cous-black. 

 h. Embolium and outer margin of corium pale greenish trans- 

 lucent. 

 i. Pronotum and scutellum without a pale median line; length, 

 5.5 mm.; host plant, willow. 943. marginatus. 



ii. Pronotum with a pale median line extending from its apex 

 to tip of scutellum; length, 6 mm.; host plants, thorn, 

 Crataegus, and apple. 944. serus. 



hh. Corium blackish at outer margin except at base; scutellum 

 black, rarely pale at middle; length, 5.6 — 6 mm.; host plant, 

 smooth alder, Alnus rugosa (Du Roi). 945. alni. 



dd. Pronotum of female with side margins pale or greenish, disk 

 usually in part blackish, often with median line pale; of male 

 sometimes almost wholly blackish. 

 j. Hind femora blackish except at base; scutellum broadly pale; 

 upper surface in great part blackish, the paler parts tinged 

 with reddish; length, 5.6 — 6 mm.; host plant, brittle willow, 

 Salix fragilis L. 946. ornatus. 



jj. Hind femora greenish; scutellum sometimes broadly pale, but 

 then the femora not dark. 

 fc. Pronotal disk transversely pale behind calli; calli and basal 

 margin of disk brown or blackish, disk sometimes wholly 

 pale; length, 4.5 mm.; host plant, brittle and black willows. 



947. MODESTUS. 



kk. Pronotal disk almost wholly black, male; with blackish rays 



each side of median line, connecting calli with basal margin, 



female; host plant, black willow. 



/. Smaller, length 5.2 mm. ; veins of membrane paler than the 



disk; corium with inner apical half fuscous, the pale color 



of basal half extending along claval suture. 



948. DORSALIS. 

 //. Larger, length 5.8 — 6 mm.; veins and disk of membrane a 

 uniform dusky; pale color of basal half of corium not ex- 

 tending along claval suture to separate black of corium 

 from that of clavus. 949. neglectus. 



937 (1175%). Orthotylus CATULUS Van Duzee, 1916b, 106. 



Elongate-oval. Pale grayish-yellow, elytra often tinged with brown- 

 ish or fuscous, head and calli with yellowish; upper surface thickly 

 clothed with pale to dusky pubescence; membrane dusky hyaline, veins 

 whitish; tips of tarsi and beak black. Antennae slightly dusky apically, 

 joint 1 scarcely half as long as width of vertex, 2 nearly as stout as 

 and three times longer than 1. Beak reaching first ventral. Vertex flat 

 in front of the obtuse basal carina. Pronotum with sides straight, front 

 margin concave, calli large, not prominent. Elytra surpassing abdomen 

 by nearly the length of membrane; costal margin feebly but distinctly 

 curved. Length, 4.2 — 4.5 mm. 



