332 FAMILY X. — rSELAPHlD^t. 



E. spinifer Casey, brown, shining-, not punctate, was described 

 from Illinois; E. inierruptvs Lee. rust-red, pubescence not dense, 

 and E. conqcncr Casey, brown, legs paler, pubescence short, dense, 

 conspicuous, arc both recorded from near Cincinnati; E. linearis 

 Tjcc. l)rown. leiiji'th 1.5 jiiiii.. is said to occni' "'east of the ]\rississi])[)i 

 River. " 



()2(i (ID.si). EuPLECTrs conflvens Lee, Bo^^t. Jdiirn. Nat. Hist., VI, is-}'.t. 

 105. 

 El(iii.i;ate. slender, parallel. TTuil'onn ve(l(lish-l)ru\vii. finely iiubesceiit. 

 Head wider tban long, with two deep parallel grooves, the intervening space 

 nearl.v smooth ; elsewhere coarsely itnnetnred. Antennte reaching middle 

 of thorax, joints three to eight subequal, wider than long, bead-like; ninth 

 and tenth wider; eleventh ovate, wider than tenth. Thorax as wide as 

 long, finely punctate; disk witli a deep oblong fovea before the middh* and 

 a triangular one near base, the latter feebly connected with a large dec;) 

 one each side. Elytra faintly punctate, densely pubescent, discal lines deep 

 at base, not reaching middle. Abdomen longer than elytra, the first and 

 second dorsals carinate. Length t. 2-1.5 mm. (Fig. 152, e.) 



Marion County ; rare. I\Iay 2S. 



Bibl()])h(i'its rufu-cps Lee, dark brown, elytra darker, surface 

 not punctate, pubescence short aisd fine, length .7 nnn.. is known 

 from Michigan and Illinois. 



Thesium cavifrons Lee, reddish-brown, legs and antennae paler, 

 pubescence rather dense, pale, length 8 mm., occurs in the "Mis- 

 sissippi Valley." 



Actium mignstum Casey, pale reddish-yellow, length 1.2 mm., 

 was described from Pennsylvania. 



XVIII. Trimiomklba Casey. 1897. 



Differs from Mclha in its larger liead with more remote f ovea^ ; 

 longei' first dorsal a)id second venti-al s<'gmeiits; ninth and tenth 

 antennal joints small, doubly cimvex ; hind tarsi long, slender, th' 

 second joint twice as long as thii-d. One species lias beeii tal<e:i. 

 while another may o'*cnr. 



KKV TO I.NDIAA'A SI'RCHCS OF TUI MIOM I'iLliA . 



". Head i: I piiiiclale, llie ti'mil ul)luscly rounded belwceu liic anleniue; 

 fov(\e uf (icci|iut siiinll and deep: widtli aci-oss llie sliuulders C(|u:il 

 1o lll.-ll of lllorax. CONVKM i.\. 



<iii. Head distinctly punctate, (he fidut more narrowly sul)angulate ; fovere 

 larger and less separated; width of shoulders less than that of thorax. 



627. DUBIA. 



T. convc.rula Lee, deep ycdlow, very convex, pubescence not visi- 

 ble, length .7 mm., is known froju Pen?isvlvania and Illinois. 



