THE VARIEGATED MUD-LOVING BEETLES. 



685 



1305 ( ). Heterocerus brunnevs Melsh., Proc. Phil. Acad. Nat. Sci., 



II, 1844. 99. 



Oblong, moderately convex. Piceous, slightly shining; elytra with the 

 usual three sinuous bands of dull yellow, often broken into spots, some- 

 times scarcely distinct : the front band usually with a dash projected for- 

 ward from the middle; the hind one usually forming two rounded spots 

 near apex but not touching margin: body beneath entirely piceous. Ely- 

 tra more distinctly substriate than in the other species. Length 3-4 mm. 



Frequent about the lakes of northern Indiana ; elsewhere taken 

 only in Marion and Lawrence counties. May 11-December 7. 



H. schwarzi Horn, is known from Pennsylvania, Lake Superior 

 and Texas. (Fig. 256, &.) 



1306 (3965). Heterocerus collaris Kies.. Revis. Linn. Ent, Y. 1851, 292. 

 Oblong, moderately convex. Dull sooty brown or piceous. clothed with 



brownish hair; sides of thorax pale; elytra each with an indistinct spot 

 near scutellum and two sinuous bands, often more or less interrupted and 

 sometimes indistinct, yellow; body beneath piceous, sides and apex of ab- 

 domen yellowish : legs entirely reddish-yellow. Thorax twice as wide as 

 long, sides and base curved, the latter Insinuate. Length 2.5-4 mm. (Fig. 

 255. 1) and c. ) 



Throughout the State; frequent. June 11 -August 17. 



Fig. 256.. a, H. tristis, female; b, H. schwarzi, female; c, H. auromkans; d, H. pus'Jlus. (After Horn.) 



1307 (3960). Heterocerus trtstis Mann., Bull. Mosc. Ill, 1853, 21S. 



Oblong, subdepressed. Piceous, sparsely clothed with short, brownish 

 pubescence; sides of thorax indistinctly paler: elytra with the side margins 

 entirely but narrowly pale, the usual sinuous bands broken into short longi- 

 tudinal lines as follows : an oblique stripe on each side of scutellum. on each 

 side of this one-third from base a short stripe ; behind this near middle a 

 pair of oblong spots, and another pair on apical fourth ; beneath piceous. 

 the sides of abdomen narrowly pale. Elytra vaguely substriate. epipleura 

 pale. Length 3.5—1 mm. (Fig. 256. a.) 



Lake. Starke and Kosciusko counties: scarce. July 18-Au- 

 gust 25. 



