472 FAMILY XI. STA I'll YU MIKK. 



912 (9744). TROGOPHLCEVS AGONUS Casey. Ann. N. Y. Acacl. Sci., IV, 1S89, 



356. 



Elongate, slender. Picemis. feebly shining; abdomen black; legs and 

 antenna' dark pioeous brown. Head scarcely narrower than thorax, wider 

 than long, rather finely, deeply and densely punctate. Thorax one-halt' 

 wider than long, widest just before the middle, sides feebly curved, apex 

 much wider than base; disk densely and somewhat coarsely punctate and 

 with two distinct parallel impressions on basal half. Elytra together about 

 as long as wide, one-fourth wider and three-fourths longer than thorax, 

 rather coarsely, nut closely punctate. Abdomen minutely granulate, very 

 finely and sparsely punctate. Length l.S-2 mm. 



Starke and Putnam counties; scarce. March 20-May 19. Sifted 

 from damp vein-table debris. 



T. hr(u-l\!ii>tc)'us Lee., wholly dull black in hue and one of the 

 smallest of the genus, occurs in numbers at Detroit, Michigan, and 

 probably inhabits northern Indiana. 



LXXV. Ai-oCELLrs Erichs. 1S40. (Gr., "to withdraw i wild 



animal.") 



Rather slender glabrous forms having the head equal to or wider 

 than the thorax; antenna 1 arising; from beneath distinct elevated 

 frontal ridges; abdomen very broad. 



!>!.'! (L'TSl*). Ai'ocKi.i.rs SPII.KI;K'OI,I,IS Say. Trans. Amer. 1'liil. Soc., IV, 



1s:;4. 4.",; ibid. II. 570. 



Elongate, slender, widest across the abdomen. I >ark 

 reddish-brown, strongly shining; head and abdomen 

 usuilly darker; antenn.-e fuscous, the first three joints 

 and legs paler. Head wider than thorax, its sides 

 oblique and rounded into a distinct neck: surface 

 smooth. Eyes very small; antenme longer than head 

 and thorax, the outer joints much enlarged, the second 

 one-half the length of third. Thorax subglobular, con- 

 vex ; its surface, as well as that of elytra, with a few 

 Fig. 168. v 9j. scattered minute punctures bearing short black erect 

 (After Eriehson.) ||;lirs Elytrn together wider than long, one-third wider 



and slightly longer than thorax. Abdomen at base as wide as elytra, thence 

 gradually widening to the fourth and fifth segments: surface smooth, highly 

 polished. Length 7-., mm. (Fig. 1GS.) 



Southern half of State; frequent. April 8-May 13. Occurs 

 beneath stones, logs and damp decaying leaves. The thorax varies 

 much in color and size. 



Tiiixomrs Kies. 1S44. (Gr., "shore + to live.") 



Very small linear depressed, pubescent species having the scutel- 

 lum visible; the inner apical angles of elytra broadly and obliquely 



