XOIITII AMKRICAN ("OLKOl'TKRA. l.JT 



cles ; sidi'.s rounded, liiiidcr migles very acute and much produced; elytra rallier 

 sliort, fuscous black, not longer or wider than the head and thorax, widest near tiio 

 middle, rather fainth' asperate in straight transverse rows ; sides slightly rounded, 

 apex broad and much rounded ; abdomen considerably exserted, obtuse ; legs mod- 

 erate, bright yellow, anterior tibiic and tarsi dilated: antenna- verv Ion" and 

 slender. ))i-i;!;ht yellow. 



Dift'erstVoiii T. uhniptuxw its laro'cr size, yt'llow and iinicli ImiLifr antenruu. 

 rnik'd States (Arizona). 



T. Caliiorilica Matthews Cist. Ent. 2. p. 174, 187".— L. c. .87—1 mm.— (»b- 

 iong, rather convex, shining, (lastaneous, clothed with short golden hair; head 

 large and broad; eyes moderate; thorax large, convex, rather longer, and much 

 wider than the head, widest at the base, ornamented with minute tubercles in ir- 

 regular transverse rows: sides paler, rounded and margined, hinder angles verv 

 acute and considerably produced, broadly flavescent; elytra oblong, rufocastane- 

 ous, with the suture paler, rather narrower, and rather longer than the head and 

 thorax; sides nearly parallel, closely asperate in transverse rows, apex broad, 

 slii^htly rounded; abdomen moderately exserted, obtuse; legs and antennfe long 

 and slender: bright yellow. 



Differs from others in its rather long and narrow elytra, rufocastaneous 

 color and short ooldcn pubescence. 

 California (Crotch). 



T. sericaii!^ Ileer Fn. Col. Ilelvet. I. p. 375, 1841.— L. c .75— .87 mm. 



lialher short and broad, depresseil, ob.scure, black, not shining, more or less thickly 

 covered with long brown hair: head large and broad; eyes moderate; thorax 

 moderate, slightly dilated at the base, longer and broader than the head, widest 

 before the base, covered with large tubercles in close rows, interstices rugose; sides 

 slightly rounded, hinder angles acute, slightly produced; elytra rather short, 

 quadrate, depressed, not attenuated, as wide and scarcely longer than the head and 

 thorax, closely and deeply asperate in transverse rows; sides nearly straight, apex 

 broad and rounded; abdomen obtuse, moderately exserted; legs moderate, duskv 

 yellow : antennae black, or pitchy black. 



Differs from others in its short, broad and depres.sed form, loiiu- lirowii 

 )iubescence, black antemuc and riiiiose s('ul|itiire. 

 Fnited States. 



T. castaiiea Matthews Cist. Ent. 2. p. 17.";, 1S77.— L. c. .87 mm.— Oblong, 

 convex, rather shining, rufoeastaneous, thickly clothed with golden hairs; head 

 moderate, produced in front; eyes moderate, not prominent; thorax moderate, 

 longer and wider than the head, widest before the base, ornamented with small 

 tiil)ercles in transverse rows; sides rounded and margined, hinder angles acute, 

 very much produced and broadly yellow; elytra oblong, translucent, longer but 

 not wider than the heail and thorax; sides almost parallel and margined, rather 

 deeply asperate in transverse rows, apex broad and rounded ; abdomen consider- 

 ably exserted, obtuse; legs anil anfenna» robust, bright vellow. 



rilANS. AMEIi. KNT. SOC. XI. (u5) AHIUl,. 1884. 



