1070 FAMILY XL. — CORIXIDjE. 



England west to the Pacific and south to Georgia, its general 

 distribution being northern. 



1209 (1444). Arctocorixa nitida (Fieber), 1851a, 28. 



Form of interrupta, its sides more parallel. Color much the same; 

 pronotum with 8 or 9 transverse black lines, the median ones not inter- 

 rupted or confused as in interrupta, but one of them usually very short; 

 under surface usually yellow with a black spot behind the front coxae; 

 sides of abdomen often in part fuscous. Pronotum narrower than in 

 interrupta. its hind margin broadly rounded. Length, 8 — 9.5 mm. 



Marion Co., Ind., April 1 — Oct. 9. Raleigh and Laurel Hill, 

 N. Car., June — November (Brimley) . Staten Island, N. Y. 

 (Doris). In Indiana it occurs more often in stagnant wood- 

 land ponds than in those fed by spring branches. Recorded 

 heretofore only from Maryland, North Carolina and Georgia. 



1209a (1444a). Arctocorixa nitida minor Abbott, 1913, 82. 



Differs from typical nitida in its smaller size and in having a clear 

 yellowish spot near apex of corium with a small black one behind it. 

 Length, 7.3 — 8 mm. 



Raleigh and Laurel Hill, N. Car., June — November (Brimley). 

 Recorded only from Massachusetts, Georgia and North Caro- 

 lina. It may prove to be a distinct species. 



1210 (1434). Arctocorixa harrisii (Uhler), 1878, 444. 



Head pale yellowish, slightly broader than pronotum, frontal im- 

 pression oblong-oval, thinly beset with long yellowish hairs; pronotum 

 fuscous-brown with 10 or 11 narrow yellow slightly curved cross-lines 

 which do not touch the side margins, two or three on the disk and the 

 hindmost one uniting at one end with the one preceding or succeeding; 

 elytra with yellow cross-lines, especially those toward apex, each inter- 

 rupted to form three or four oblong curved or zigzag pale marks; legs 

 yellow. Pala of male as in pi. XII, fig. 8. Length, 9 mm. 



Marion Co., Ind., April 16. Described from Massachusetts. 

 Ranges from New England west to Indiana. Treated by Ab- 

 bott (1923) as a form of interrupta, but by Hungerford (1925a) 

 considered distinct. 



1211 ( — ). Arctocorixa obliqua Hungerford, 1925a, 142. 



Dark fuscous-brown; head and legs pale yellow; eyes black; prono- 

 tum crossed by nine or ten pale lines, these more narrow than the alter- 

 nate dark ones; elytra with pale cross-marks on basal half transverse 

 and wavy or zigzag, those near inner basal angle of clavus broader than 

 the others, those behind commissure and on membrane more broken and 

 irregular. Head short; vertex with sides subparallel, at base only about 

 two-thirds as wide as hind margin of eye; frontal depression of male 

 deep, ovate, the apex below. Pronotum and elytra finely rastrate, the 



