TRIBE VII. ERIKHININI. 227 



320 (8568). ONYCHYLIS LONGULUS Lee., 1876, 179. 



Elongate-oblong. "Black; crust of scales as in nigrirostris ; antennae 

 testaceous, club fuscous. Thorax slightly rounded on the sides, feebly 

 constricted near apex, very coarsely punctured. Elytra nearly one-half 

 wider than thorax, humeri oblique, sides parallel for two-thirds their 

 length, then rounded to the tips; stria; well impressed; intervals slightly 

 convex, the alternate ones slightly tessellated. Length 3 mm." (LeConte.) 



Two in Blanchard collection labelled "Concord River, July 13." 

 Described from Michigan. Not recorded elsewhere. Resembles 

 and easily confounded with LissorJioptnis simplex. 



XV. ANCHODEMUS Lee., 1876. (Gr., "narrow" -f "body.") 



Body narrow, subcylindrical ; beak straight, rather stout, 

 cylindrical, as long as thorax, its antennal grooves directed to- 

 ward, and scape reaching the eyes; first and second joints of 

 funicle elongate, 3 7 gradually wider, club oblong-oval, wholly 

 pubescent; thorax with large ocular lobes; prosternum broad,, 

 deeply emarginate in front, not sulcate; legs long and slender,, 

 last joint of tarsi as long as second and third united, with large, 

 divergent claws. 



KEY TO EASTERN SPECIES OF ANCHODEMUS. 



a. Length 44.5 mm.; second joint of funicle scarcely longer than first. 

 &. Elytra brownish-gray or blackish, without a paler band. 



321. ANGUSTUS. 

 Itb. Elytra brown, with a broad, angulated paler band behind the middle. 



322. SCHWARZI. 

 aa. Length 7.5 mm.; second joint of funicle twice as long as first. 



323. IIUBBARDI. 



321 (8578). ANCHODEMUS ANGUSTUS Lee., 1876, 181. 



Elongate, slender. Black or piceous, densely clothed with a crust of 

 gray or blackish scales; antennae and legs pale reddish-brown; club fus- 

 cous. Beak slender, finely and sparsely punctate, its tip polished. Thorax 

 slightly longer than wide, sides parallel, base rounded; disc feebly con- 

 stricted near apex; sculpture hidden by scales. Elytra one-third wider 

 and three times as long as thorax, humeri oblique; sides parallel for 

 three-fourths their length, then strongly converging to a subacute apex; 

 stria? with fine, close-set punctures; intervals flat, each with a row of 

 minute, inclined, pale bristles. Length 4 mm. 



Kosciusko and Vigo counties, Ind., scarce; May 21 June 25. 

 Swept from sedges about the margins of ponds and lakes. Occurs 

 in New Jersey in marshes throughout the State. Ranges from 

 Canada and New England to Michigan and Illinois, south to 

 Florida. Recorded as eating the leaves of arrow-head, (Sagit- 

 taria.) 



