THE MELANDRYID BARK BEETLES. 1299 



antenna 1 filiform, third joint, move Hum double the length of second 

 and nearly equal to those which follow; maxillary palpi with second 

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

 coxa? contiguous. Both occur in Indiana. 



2401 (7674). SYMPHOEA FLAVICOLLIS Halcl., .lourn. I'liil. Acad. Nat. Sci., I, 



1848, 100. 



EloDgate, moderately convex. Blackish-piceous. shining, finely pubes- 

 cent ; head, thorax, legs and base of antenna 1 reddish-yellow. Thorax one 

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

 obtuse; disk rather coarsely 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 8-July 3. Occurs be- 

 neath bark and on foliage. 



2402 (7675). SYMPIIORA RUGOSA Hald., Journ. Phil. Acad. Nat. Sci., I, 1S4X. 



100. 



Usually more slender than flaricnlli-x. which it resembles closely. Differs 

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

 tenna? and legs pale' 1 Thorax less convex and more densely punctate, its 

 outer margins continuous with those of elytra. Length 2.X-:;.2 mm. 



Throughout the State; common. .June 2-July 11. Taken by 

 heating; also on fungi. 



Anisoxya ylnucula Lee., elongate, fuscous, surface finely t:-;;ns- 

 versely aciculate, length 3.5 mm., was 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 with the last joint hatchet- 

 shaped; front coxa? large, conical, contiguous, with distinct tro- 

 chantins; middle coxa? contiguous. Representatives of all the gen- 

 era have been taken in the State. 



KEY TO GENERA OF SCUAI'TIINI. 



. Last joint of m.ixillary palpi triangular. 



1). Next to last joint of all the tarsi lobed ; first joint of hind tarsi twice 



as long as all the others united. XV 1. SCKAITIA. 



1>I>. Next to last joint of hind tarsi not lobed; first joint of bind tarsi 



shorter than the other three united. XVII. AI,I,OH>I>A. 



act. Last joint of maxillary palpi elongate, priming-knife shaped. 



XVIII. CANIFA. 



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



Represented by a single small brownish species having the an- 

 tenna 1 about two-thirds the length of body, not very slender, third 



