AMERICAN COLEOPTERA. 357 



a. — Body beneath red. 

 T. frontalis, Horn, Proc. Ent. Soc., 1862, p., 188.— Oblong, red, front of 

 head, antennae (club 4-jointed) and elytra black; head sparsely but deeply 

 punctate, labium and vertex red; thorax transverse, clearly punctured, base 

 margined in front of the scutellum, which is red; elytra ratber deeply punc- 

 tate striate, interstices sparsely and very finely punctulate; underside coarsely 

 and evidently punctate. L. "22 inch. 

 Texas. (Horn, Ulke.) 



T. festiva, Lac. Erot., p. 20S; Lee. J. Phil. (2) i., 71; Proc. Phil, vii., 161, 

 1.— Exactly like T. frontalis, but the elytra have a broad common central yel- 

 lowish-red fascia, and the punctuation of the interstices is extremely sparse 

 and hardly visible. L. "18 — -20 inch. 



Southern States. (Leconte, Horn, Ulke.) 



T. macra, Lee. Proc. Phil, vii., 161, 2.— Sub-elongate, red, antennae (club 

 3-jointedj and elytra black; head and thorax distinctly punctate, the latter 

 finely "margined at base; elytra punctate striate, interstices very sparsely and 

 obsoletely punctulate; underside evidently and rather coarsely punctate. L. 

 •22 inch. 



Maine, Illinois. (Leconte, Ulke.) 



Differs from either of the preceding by its red head and 3-jointed 

 club to the antennae. 



T. thoracica, Say, J. Phil. (1) iv., S9; Lee. J. Phil. (2) i., 71; melanoptera 

 Lee. Erot., 215. — Oblong oval, red, antennae (with the base red) and elytra 

 black; antennalclub 3-jointed, head and thorax evidently and rather closely 

 punctate, the latter with the sides distinctly rounded; scutellum brownish- 

 red; elytra punctate striate, interstices very evidently (though sparsely) punc- 

 tate; underside clearly punctate. L. "IS — -20 inch. 



Lake Superior, Hudson's Bay, Ohio, Illinois, Virginia, Washing- 

 ton, Georgia, Texas. (Leconte, Horn, Ulke.) 



This is very closely allied to, if not identical with, the European T. 

 scutellaris (bicolor J Gyll). 



h.—Body black underneath. 



T. antiea, Lee. Proc. Acad., 1861, p. 358. — Oblong, sub-parallel, black, 

 head (with the front piceous), antennae at the base, legs and the base of the 

 elytra ochraceous; antennal club 3-jointed; head rather thickly, not coarsely, 

 punctate; thoiHX, with the sides almost straight, coarsely and deeply but 

 sparingly punctate; scutellum black, finely and closely punctulate; elytra 

 punctate striate, interstices with a few scattered hardly visible punctures; un- 

 der surface punctate. L. *16 inch. 



Oregon. (Leconte, Ulke.) 



This is the only species with a black head and thorax. 



TRANS. AMER. ENT. SOC. (46) APRIL, 1873. 



