THE MELANDRYID BARK BEETLES. 1299 



antennffi filiform, third joint more than double the length of second 

 and nearly equal to those ^vhich follow ; maxillary palpi with second 

 and third joints short, the fourth dilated, hatchet-shaped; front 

 coxEE contiguous. Both occur in Indiana. 



2401 (7674). Stmphoba flavicolus Hald., Journ. Phil. Acad. Nat. Sci., I, 



1S48, 100. 

 Elongate, moderately convex. Blackisb-piceous, shining, finely pubes- 

 cent; head, thorax, legs and base of antenna: reddish-yellow. Thorax one- 

 third wider than long, sides broadly rounded, apex truncate, hind angles 

 obtuse; disk rather coari-ely and sparsely punctate, with a vague oblique 

 impression each side near base. Elytra slightly broader, more coarsely and 

 sparsely punctate than thorax. Length 3-3.5 mm. 



Throughout the State; frequent. April S--July 3. Occurs be- 

 neath bark and on foliage. 



2402 (7675). Symphoka kigosa Ilald., Journ. Phil. Acad. Nat. Sci., I, ISls. 



100. 

 Usually more slender than flavicolUs, which it resembles closely. Differs 

 in being uniform jjale chestnut-brown to dark fuscous, less shining; an- 

 tennce and legs palei' Thorax less convex and more densely punctate, its 

 outer margins contiuiKHis with tho.ee of elytra. Length 2.S-3.2 mm. 



Throughout the State; common. June l^-July 11. Taken by 

 beating ; also on fungi. 



Anisoxya glaucula Lee. elongate, fuscous, surface finely t.ans- 

 versely aciculate, length 3.5 mm.. w;is described from Pennsylvania. 



Tribe VII. SCRAPTIINI. 



This tribe is composed of three genera of small species having 

 the head inclined, suddenly constricted a short distance behind the 

 eyes into a small neck ; labial palpi M'ith the last joint hatchet- 

 shaped; front coxiE large, conical, contiguous, with distinct tro- 

 chantins; middle coxie contiguous. Kepresentatives of all the gen- 

 era have been taken in the State. 



KEY 'lO OENEKA Ol'' SCUAPTIINI. 



(/. Last joint of uinxillary ]i;ilpi triangular. 



6. Next to last .loinl of till the tarsi lobed ; first .ioint of hind tarsi twice 



as long as all the others united. XVI. Subaptia. 



66. Next to last joint of hind tarsi not lobed; first joint of hind tarsi 



shorter than the other three united. XVII. Allopoda. 



aa. Last joint of maxillary palpi elongate, pruning-knife shaped. 



XVIII. Canifa. 



XVI. ScR.vPTiA Latr. 1807. (Gr., "an unchaste woman.") 



Represented by a single small brownish species having the an- 

 tennas about two-tliirils the length of body, not very slender, third 



