404 



FAMILY XI. — LYG^ID^. 



hind one, the latter rather coarsely not densely punctate and with a 

 vague median carina. Scutellum much longer than wide at base, sparsely 

 punctate and with an entire median carina, this joined at middle on 

 each side by an oblique obtuse one. Other characters as under generic 

 key and heading. Length, 6.5 — 8 mm. 



Marion Co., Ind., Sept. 15 ; one specimen swept from high 

 weeds along the bank of a stream. Adirondack Mts., N. Y., 

 Aug. 18 ( Barber). Ranges from New England west to Mani- 

 toba and Indiana. Resembles Ligyrocoris obscurus very closely. 

 For the distinctions see notes under that species. 



VII. Perigenes Distant, 1893, 396. 



Elongate-oval, rather robust species having the head convex, 

 wider across eyes than front margin of pronotum, deeply in- 

 serted in thorax, the anteocular space between antennae and 

 eye nearly twice the postocular one ; beak slightly surpassing 

 middle coxae, first joint reaching base of head, second and third 

 subequal, fourth shorter; antennae with joints 2 — 4 furnished 

 with erect hairs ; pronotum subcampanulate, the constriction 

 behind middle shallow, obtuse; scutellum subequilateral, ob- 

 tusely keeled on apical half; costal margin of corium feebly 

 curved behind middle; elytra covering the sides of abdomen, 

 in females scarcely reaching its tip; front femora armed be- 

 neath with only two or three unequal preapical teeth. Other 

 characters as in key. One of the two known species occurs in 

 the eastern states. 



349 (543). 



Perigenes constrictus (Say), 1832, 15; I, 332. 



Head, front lobe of pronotum, scutel- 

 lum and under surface dull black, rather 

 thickly clothed with fine appressed yellow- 

 ish pubescence and bearing numerous 

 erect stiff hairs; hind lobe of pronotum, 

 clavus and disk of corium dark reddish- 

 brown to piceous ; costal margin of corium 

 pale yellow, interrupted behind middle by 

 an oblong projection of the dark disk; 

 membrane dark brown or fuscous, with 

 some vague paler markings; first joint of 

 antenna? piceous, its tip paler, remaining 

 joints reddish-brown, the fourth slightly 

 darker; legs pale yellow, the front femora, 

 except base and apex, and a preapical ring 

 on middle and hind ones, shining piceous. 

 Basal lobe of pronotum wider than and 



