392 REVISION OF THE TENEBBIONID^ OF AMERICA, 



Thorax obtusely margined. 



nish; last joint of antennae shorter. :i ngustus. 



Brownish; last joint of antennae longer than tenth. gracilis. 



Thorax acutely margined. 

 Mi i in narrow. 



Propleurae finely longitudinally wrinkled. californicus. 



Prop il u Ij « rink led. e il w ardsii . 



Margin broad, more or less reflexed. 



Thorax b middle. pe rnitens. 



Thorax broadest at base. laetus. 



p 11 A]. i. rous >i" i 

 Antennae short, robust, outer joints compressed. rugicollis. 



Antennae longer than head and thorax. 

 Sides of thorax rounded. 



Apex of thorax truncate. 



Thorax broader than long. 



Hind angles obtuse or rounded. 



Terminal joints of antenna; Mili-.vlin.liir!]. last joint long; interstrial 



ces wiili rounded tubercles, distinct at least at apex. bachei. 



Terminal joints of antennas sub-triangular, last joint short oval; inter- 

 strial spaces Hat. convexulus. 

 Hind angles uearlj dar. 



Elytra with stria' of line punctures. 



Propleurae grooved. ae re u - . 



Propleurae coarsely punct 



Last joint of antennae longer thau tenth. st eloidi 



Last joint of antennae shorter than tenth. dincretus. 



Elytra deeply striate. sulcipennis. 



Thorax lougei than bi oad. 



Form slender; joints four to eleven of a [ual. .111-. 



Apex of thorax ema ingles prominent. 



1 broadly oval; elytra deeplj striate. fa reins. 



thorax sub-angulate in front of middle. 

 Apex truncate; antennae slender; form broadlj oval. tui 



fl. mi cans, Fab., Syst. El. l. 157; eitlatus, Oliv., . Beauv. Ins.. p . 101. p i. g 



I inr largest Eastern species. Thorax emarginate in front, angles distinct, broader 



than long, s ewhat bi ides feebly sinuate. Antennae slender, outer joints 



feeblj compressed; last three joints smaller and gradually decreasing. Elytra faintly 

 striate, shining with indistinct metallic stripes. Propleurae coarsely and confluently punc- 

 tured, ^pex of last ventral segment with a broad hairy depression ; in the females the 

 depression is longitudinal and smaller. 



Length .50-.70 inch. 



\ spi cii a of n ide distribution. 



II. u u .1 n 1 .1 1 11 9 ■ Lee., New Species, p. 182. 



ailai to the precediug. Diffi rs in the undulate sides of thorax and the absence ol 



