TIIK JIJSTKK HKKTLKS. 



1175 (3542). HET.ERIUS BRUNNIPENNIS Rand., Bost. Journ. Nat. Hist., 11. 



1838, 40. 



Broadly oval, subdepressed. Pale chestnut 

 brown, shining. Thorax with a groove on each 

 side separating the disk from the lobe, the lat- 

 ter divided by a shallow transverse groove 

 slightly behind the middle. Elytra with sub- 

 hurneral and first dorsal entire; second dorsal 

 I liree-fourths, third two-thirds, the length of ely- 

 tra, with erect fine yellowish hairs sparsely 

 placed along the strire. Length 1.5 mm. (Fig. 

 1234.) 



.Abu-ion and La\\ i-cncc counties; rare. 

 April 2S -May 11. Occurs in nests of large Fi ^ 234 - x 12 ' (After wheeler) 

 brown ants, a variety of Formica rnfa. 



VI. DENDROPHILUS Leach. 1817. (Gr., "tree + love.") 



In this and the next two genera, the antennal cavities, instead 

 of being beneath the front angles of the thorax are beneath the 

 middle of its sides, and the lobe of the prosternum does not form a 

 floor for them as in the preceding genera of the subfamily. Den- 

 (Iroph'ilus is represented in the eastern United States and Indiana 

 by the single species: 



1176 (3551). DENDROPHILUS PUNCTULATUS Say, Journ. Phil. Acad. Nat. 



Sci. s V, 1S25, 45 ; ibid. II, 269. 



Rounded-oval, moderately convex. Piceous black, shining; sparsely, 

 evenly and rather coarsely punctured; marginal line of thorax finely im- 

 pressed on basal half. Elytra with outer subhumeral entire; dorsal striae 

 faintly impressed, one and two nearly entire, three and four gradually 

 shorter, basal ; fifth and sutural absent, or the former represented by punc- 

 tures only. Notch of rnesosternum deep. Prosternum with a stria on each 

 side, the apex rounded. Tibia? all dilated in the middle. Length 3 mm. 



Fulton, Marion and CYawford counties; rare. April 14-July 

 22. Beneath bark. 



VII. PAROMALUS Erichs. 18:34. (Gr., "almost flat,") 



This genus comprises about, 20 small oval or oblong species with 

 Ihe antennal cavities located as in the preceding, but having only 

 the front tibiae dilated at middle. Five of them are known to occur 

 in Indiana. 



KEY TO INDIANA SPECIES OF PAROMALUS. 



a. Form oblong, strongly flattened; elytra without entire striae. 



1177. /EQUALIS. 



da. Form more or less convex. 



1>. Elytra with entire strife; prosternum with a stria on each side. 



