SUBFAMILY IV. — GEOCORIN^E. 379 



KIOV TO SPECIES OF HYPOGEOCORIS. 



«. Color above in great part piceous; corium sparsely and irregularly 

 punctate over the entire disk. 319. piceus. 



aa. Head, elytra and pronotum in part, dull yellow or reddish-yellow; 

 punctures of corium mostly in rows near the clavus. 



320. IMPERIALIS. 



319 (507). Hypogeocoris piceus (Say), 1832, 18; I, 336. 



Broadly oval, robust. Piceous, shining; head, base of first, apex of 

 third and usually all of fourth antennal, beak and legs reddish-yellow 

 or pale reddish-brown. Head, and front half of pronotum except sub- 

 marginal line, impunctate. Pronotum subtrapezoidal, sides feebly con- 

 vei-ging from base to apical fourth, thence more strongly so to apex; 

 basal half of disk with four nearly regular transverse rows of punctures. 

 Scutellum equilateral, margins elevated; disk coarsely irregularly punc- 

 tate without median carina. Corium sparsely irregularly punctate. 

 Membrane (macropterous form) exceeding tip of abdomen, Length, 

 4 — 4.2 mm. 



Porter Co., Ind., May 5, scarce ; probably occurs only in the 

 Transition Life Zone of the northern fourth of the State. 

 Ranges from New England west to Wisconsin and Colorado, and 

 south to Maryland and Biscayne Bay, Fla. About White Plains, 

 N. Y., Bueno took it in early autumn by sweeping patches of 

 five-finger, Potentilla canadensis L., and also under boards. 



320 (509). Hypogeocoris imperialis (Distant), 1882, 197. 



Broadly oval, robust. Antennae, a large quadrate or transversely 

 oblong spot on middle of base of pronotum, scutellum and under surface, 

 except of head, black or piceous; head, front and side margins of pro- 

 notum, elytra except membrane, legs and under surface of head, dull 

 yellow often in part with a reddish tinge; membrane whitish-hyaline. 

 Pronotum with an elevated transverse almost smooth callus near front 

 margin, the dark median area behind this and also the scutellum very 

 coarsely punctate. Elytra entire; corium with three rows of punctures 

 near clavus and a few scattered ones near apex. Length, 3.5 — 4 mm. 



Dunedin, Fla., Feb. 7 — April 4; a half dozen specimens taken 

 from beneath gunny-sacks spread out along the margins of an 

 orange grove. Described from Guatemala and known hereto- 

 fore in this country only from Louisiana and Texas. Distant, 

 in his original description, states that the pronotum has a dou- 

 ble row of coarse punctures near front margin and that the 

 basal dark spot of pronotum is lunate, characters which do 

 not apply to the specimens at hand. 



Subfamily V. PACHYGRONTHIN^E Stal, 1865, II, 121, 145. 



Small, rather robust, oblong or elongate species having the 

 head more or less declivent, inserted in thorax to eyes ; pro- 



