360 G. R. CROTCH, M. A. 



gius of the thorax and elytra brownish-red; scutelluru broad, semicircular. 

 % anterior tibiae dentate within. L. '19 — -21 inch. 

 Middle and Southern States. 



MYCETI1VA, Muls. (1846). (Type cruciata.) 



M. perpulchra, (Newm.) Ent. Mag. v., 390; Lee. Proc. Phil, vi., 359, 

 1 ; Gerst. End., p. 232, 2. — Glabrous, shining, black, thorax red with a discoidal 

 vitta black; elytra black, each with a red spot; antennal club with the first 

 joint oblong, mesosternum broader than long, pentagonal; % anterior and 

 posterior tibiae angulate within. L. *16 inch. 

 Middle, Southern and Western States. 



M. Hoi'llii, sp. nov.— Sub-ovate, ferruginous-red, thorax with the disc 

 infuscate, spariugly punctate, the longitudinal impressions deep, the transverse 

 impression very faint; elytra black, clearly and evenly punctate, each with a 

 bright fulvous red spot, one humeral triangular, one sub-apical rounded. L. 

 •1(5 inch. 



California, Oregon. Allied to M. perpulchra, but differing by the 

 triangular humeral spot. 



M. testacea, Lee. Proc. Phil, vi., 359, 2; Gerst. Endona., p. 234, 4.— 

 Obscure ferruginous, clothed with yellow hairs, shining; head and sides of 

 thorax yellowish, club of antennae infuscate, antennal club loosely jointed, 

 mesosternum quadrangular. L. -15 inch. 



Middle and Southern States. 



M. vittata, (Fab.) Mant. i., 44, 4; Gerst. End., 237, 6; lineatus, (Oliv.) 

 Ent. vi., p. 1072; (Lee.) Proc. Phil, vi., 358, 5. — Glabrous, shining, bright red, 

 antennae pitchy, last joint ferruginous; elytra with a common sutural vitta 

 and each with a lateral vitta black. L. - 25 inch. 

 Middle and Southern States. 



M. lata, (Lee.) Proc. Phil, vi., 358, 4; Gerst. Endom. 239, 7.— Elongate, 

 ferruginous, shining, elytra finely punctate, bluish-black, base apex and epi- 

 pleurae yellow; femora clavate, antennae black. L. '32. 



San Francisco, Oregon. 



M. morosa, Lee. Proc. Phil., 1S59, p. 82. — Elongate, pitchy-black, shin- 

 ing, thorax scarcely punctulate, a little shorter than broad, disc concave, un- 

 equal, basal impression very deep, elytra rather broader than the thorax, 

 elongate oval, visibly punctate. L. -27 inch. 

 Fort Tejon, California. 



M. pallida, Horn, Trans. Am. Ent. Soc, i., 96.— Elongate, pale rufo- 

 testaceous, moderately shining; thorax sparsely and very finely punctured, 

 longitudinal and basal impressions well marked; elytra less shining, very 

 finely but sparsely punctate and with minute hairs; prosternum narrower, de- 

 pressed. L. -26 inch. 



Colorado. Closely allied to M. morosa, from which it differs only 

 by the color and punctuation. 



