304 REVISION OF THE TENEBKIOMIU. OF AMERICA, 



Thorax "iili sides gradually narrowing to base. 



Elytra sulcate, interstices convex, impunctured. hispilabris. 



Elytra Bub-striate, interstices with muricate punctures. sj sa . 



c a u '1 i fe r a . 

 Thorax stronglj constricted at base. acuticauda. 



il eul i |n' s . 

 Section B. 



Here are placed some small species with a very strongly punctured, moderately conrex, sub-quadrate thorax, and 

 with oval elytra with indistinct humeri. 



Elytra granulate or rugose and frequently hairy. 



Elytra nol hairy, opaque, with rows of elevated rounded tubercles. granosa. 



Elytra hairy, surface verj coarsely and confidently punctured, shining. hirsuta. 



Elytra opaque, sub-striate, with strongly muricate punctures, each bearing an erect black 



hair. pilosa. 



Bi \i"i 1.1-. 



This name is proposed for a sub-generic division of Bleodes, in which the basal joints 

 (usually throe) of the anterior tarsi of the male arc clothed with a dense silken pubes- 

 cence, obliterating entirely the median groove, evident in the remaining joints and in the 

 entire tarsus of the female. 



Thorax feebly constricted at base; lateral margin entire, extending i" base. 



Base of thorax rounded. sea I. ri pe n nis. 



Base of thorax truncate. 



Elytra convex, humeral angles very obtuse. 



Terminal joints of antennae not compressed, antennae apparently clavate. cla vicorn is. 



Terminal joints of antennae flattened. 



Hind angles of thorax obtuse. lecon tei. 



Hind angles of thorax rectangular. 



Elytra more or less shining, muricately punctured. consobrina. 



Elytra very opaque, with Bmall rounded granules densely but irregu- 

 larly placed. t e n ebrosa . 

 Elytra depressed, humeral angles distinct. planipennis. 

 Thorax very strongly constricted at base, lateral margin obsolete at constriction. 



Thorax si ill. coarsely and sparsely punctured. p a r vi collis. 



Thorax rugose, very coarsely and confluently punctured. 



Elytral sculpture of c se punctures with the interstitial elevations more or less <-.>n- 



fluent into transverse plications. c o r d ata. 



Elytral sculpture of elevated, distinct, smooth tubercles, in longitudinal series. pimelioides. 



Promus. 



The sub-genus Promus contains species more or less fusiform and with, at least, the 

 basal joinl of the anterior tarsi dilated and thickened and spongy pubescent beneath. 



Base of elytra emarginate, angles produced, embracing the basal angles of thorax. Femora mutic. 



Elytral margin acute, surface opaque and sparsely pubescent, opaca. 



Elytral margin rounded, surface glabrous. fusi fo r mis. 



Base of elytra very feebl.\ emarginate, or truncate, angles acute, not prolonged, basal angles of 

 thorax distinct. Anterior femora armed in the males. 



Tooth of femur very acute in ',: elytra opaque, with distinct series of fine punctures. Bubnitens. 



