IHb A. MATTHEWS. 



Differs from others in its translucent, eastaneous color, parallel elytra, 

 and robust legs and antenna3. 

 British Columbia (Crotch). 



■ T. bidilatata Matthews n. sp.— L. e. .fi3— .75 mm.— Oblong, convex, not 

 shining, dusky eastaneous, thickly covered with short griseous hair; head large 

 and broad ; eyes large, rather prominent; thorax transverse, not longer but rather 

 wider than the head, widest near the middle, ornamented with rather large tuber- 

 cles in transverse wavy rows; sides rounded and margined, hinder angles acute, 

 but very little produced; elytra oblong, oval, not wider or longer than the head 

 and thorax, widest near the middle, very closely asperate in transverse rows, apex 

 broad, nearly straight, with the edge white ; abdomen long, obtuse, with the edges 

 of the segments pale; legs long, bright yellow; antennas dusky yellow. 



Differs from other species in its tirlce dilated form. 

 Guatemala and Vera Paz (Champion). 



T. viciiia Matthews Cist. Ent. 2, p. 172, 1877.— L. c. .75 mm.— Oblong, slightly 

 convex, deep black and shining, clothed with yellow hair; head very large and 

 broad; eyes scarcely prominent ; thorax large, longer and wider than the head, 

 widest at the base, ornainen ted with small tubercles in remote wavy rows ; sides 

 slightly rounded and broadly margined, the margin pale, hinder angles broad, 

 produced and pale; elytra short, quadrate, rather narrower and not longer than 

 the head and thorax, moderately asperate in remote transverse wavy rows; sides 

 straight, apex scarcely rounded and narroivly pale; abdomen not much exserted ; 

 legs bright yellow : autennpe black. 



Differs from T. picicorrm^ Mann, in its laroer size, fainter and different 

 sculpture of the thorax, and hjiiger antennnj. 

 British Columbia (Crotch). 



T. parallela Motschulsky Bull. Mosc. 41, p. 170, 18fi8.— L. e. .75— .87 mm.— 

 Oval, elongate, very convex, fuscous black, rather shining, thickly clothed with 

 long, fulvous hair; head large and broad; eyes large, not prominent; thorax 

 rather large, sub-quadrate, longer and wider than the head, widest at the base, or- 

 namented with small, remote tubercles; sides slightly rounded, hinder angles 

 much produced and very acute; elytra rufofuscons, longer but not wider than the 

 head and thorax, widest at the shoulders, moderately asperate, apex rounded and 

 broadly pale: abdomen rather long, setni-oval: leas and antennte long, bright 

 yellow. 



Differs from others in its oval, elongate form, rufofuscous elytra, and 

 bright yellow antennae. Allied to T. Montandonii, Allib. 



United States (District of Columbia, Ulke). 



T. nigi'ita Matthews n. sp. — L. c. .63 mm. — Oblong, moderately convex, 

 not shining, fuscous black, clothed with brown hair; head moderate: e^'es rather 

 prominent; thorax moderate, rather transverse, wider btit scarcely longer tlian 

 the head, slightly dilated and widest at the base, ornamented with small tubercles 

 in transverse sinuated rows; sides moderately rounded and rather broadly mar- 

 gined, posterior angles broad and slightly produced : elyti'a oblong, fuscous: rather 



