THE FEATHER-WINGED BEETLES. 4S9 



ft. Eljrtra with tbe sides nearly straight: tiiorax widest befuie the 



base: rulor fuseovis blaclj; length .9 mm. sekicans. 



dff. Hind angles of tliornx not acute or produced. y3'.>. mcerexs. 



ii:!s (2966) . Tkichopteryx haij3emaxxi Lee. List of Col. of X. Am.. ISOo. 29. 

 Elougate-ublong, <-nnvex. t'olor given in key; surface sparsely clothed 

 with short, pale hairs; antennte and leL;s reddish-yellow. Thorax more 

 than twice as wide as loui.'. widest lief<ire the liase; sides strongly rounded, 

 hind angles broad, acute and much ]irolunged: surface covered with small, 

 rather remote granules arranged in tran.sverse rows. Elytra as long as 

 but narrower than head and thorax, rather closely and irregularly asperate 

 or roughened with small granules. Length 1-1.2 mm. 



Kd.scitiskii. ;\Iariou and Putnam counties: freiiuent. April 17- 

 Oetober 17. Taken by sifting leaves and sjiliagnum moss in damp 

 places. 



939 (2942). Tkichopteryx mcerexs Matthews. Cist. Eut.. 11, lsT4. 2Ps. 



Oblong. i.-ouvex. Black, strongly shining: sparsely clothed with pale 

 hair; antennte and legs yellow. Thorax twice as wide as long, widest near 

 the middle, sides moderately rounded, hind angles rectangular ; surface 

 smooth, polished. El.rtra about as loug and wide as head and thorax, 

 ver.v faintly and transversely granulate or asperate: tips broad, the ex- 

 treme edge yellowish. Length .6-.7 mm. 



Stenben and Putnam counties; scarce. May 2.'i-October 17. 

 Taken by sifting damp debris. Differs from the preceding by its 

 smaller size, .smonther surface and form of hind angles of thorax. 



The range of the other species of Trichoph ry.r mentioned in the 

 key is given by ^latthews as "United States." 



V SiricRis :\Iatthews. Js72. (i}i:. "small.") 



Elongate-obloug species, having the antenna^ long and slender. 

 reaching nearly to middle of elytra. 11-jointed. the last three .joints 

 forming an elongate, bead-like club; head large and broad; hind 

 coxiP rather distant and with wide plates. One species is known. 



WO (2;>69). .Smicrfs filicornis I'^airm., Faun. France. I. ls."4. :!:^.S. 



Oblong, subparallel. Black, sparsely clothed with short yellow hairs: 

 auteunfe and tips of elytra pale; legs .yellow. Thorax short, iiuadrale, 

 widest iu front, feebly narrowed toward the liase. hind anL'les acute: disk 

 c losely loveretl with minute tubercles. Elytra as long and nearl.v as wide 

 as hejid and thorax, closel.v and minutely punctate: tips squarely truncate, 

 leaving one-third of abdomen exixised. Length 1.2 mm. 



]\Iarion County: rare. October 3!1. Taken by sifting. 



y( phaius Ja'i-iu.'icuhfs ]Matth.. shurt, broad, convex, dark chest- 

 nut-brown, legs yellow, length .6 mm., may occur in sduthern 

 Indiana. 



