Coleopterological Notices, III. 147 



densely punctate, feebly, evenly convex ; eyes moderate ; antennae long and 

 slender, filiform, nearly two-thirds as long as the body, with the third and 

 fourth joints equal in both sexes. Prothorax one-half wider than long, the 

 sides rounded anteriorly, nearly straight and parallel in basal half; apex 

 about two-thirds as wide as the base, feebly arcuate; base transverse, broadly, 

 feebly arcuate in middle half, the angles right, not rounded ; disk dull, punc- 

 tured like the head, the basal fovea? shallow but rather distinct. Elytra nearly 

 four times as long as the prothorax, and, in the middle, about one-third wider, 

 between the narrowly rounded humeri vei*y slightly wider than the thoracic 

 base, rather acute at apex, the disk somewhat more shining than the anterior 

 portions, but exceedingly densely, finely punctured, with three or four feeble 

 impressed striae near the suture, more strongly marked toward apex, the striae 

 where more deeply impressed becoming also very minutely punctate, elsewhere 

 without trace of serial punctuation. Under surface decidedly more shining, 

 the abdomen very minutely, feebly and densely punctate, the anterior portions 

 more coarsely and rather densely so. Legs rather long, very slender ; poste- 

 rior tarsi a little shorter than the tibiae, with the first joint three-fourths as 

 long as the next three. 



Male. — Eyes separated by three-fourths more than their own width ; fifth 

 ventral slightly longer and less truncate than in the female, more or less 

 feebly impressed. 



Length 4.8-5.5 mm. ; width 1.9-2.3 mm. 



Massachusetts ; North Carolina. 



The last joint of the maxillary palpi is about twice as long as the 

 third, and about one-half wider, with the inner side one-half as long 

 as the outer, the apex obliquely truncate. In the female the eyes 

 are but slightly smaller than in the male, and the joints of the 

 antennae a very little shorter and thicker. This is the most abun- 

 dant of our eastern species. 



I. variabilis Horn. — Trans. Am. Ent. Soc, Sept. 1875, p. 156. — Oval, 

 more or less robust and convex, sometimes slightly wider behind the middle, 

 piceous-black or paler, dull, the elytra shining ; pubescence fine, short and 

 comparatively sparse. Head feebly, nearly evenly convex, very densely and 

 rather finely punctate; eyes small; antennae slender, filiform, one-half as 

 long as the body. Prothorax about two-thirds wider than long, gradually 

 narrowed from base to apex, the latter scarcely more than one-half as wide as 

 the base, feebly arcuate ; sides broadly rounded anteriorly ; base transverse, 

 the sinuations broad and very feeble ; disk extremely densely and rather finely 

 punctate, the basal foveae broadly impressed and feeble. Elytra about three 

 and one-half times as long as the prothorax, and, near the middle, from one- 

 third to one-half wider, not very acutely rounded at apex ; disk very finely, 

 somewhat sparsely punctate, with scarcely a trace of impressed striae except 

 the two inner. Abdomen minutely, not densely punctate, the metasternum 



