332 FAJiiLY x.-t-pselai'hii>j:. 



E. spiiiif( r Ca.sey, brown, shitiiny-. not punctate, was described 

 from Illinois; E. inicrrupivs Lee. rnst-red, pubescence not dense, 

 and E. coiu/oier C'a.'^cy, brown, lejis paler, pubescence short, dense, 

 conspicuous, are botii recorded from near Cincinnati; E. linearis 

 Lee, brown, length 1.5 mm., is said to occur "east of the ^Mississippi 

 River. ' ' 



02(1 (1981). EiPLECTDS CONFLIENS Lec., Bost. Journ. Xat. Hist, VI, 1849 

 105. 



Elongate, slender, parallel. Uniform reddish-brown, finely pubescent. 

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

 nearl.v smooth ; elsewhere coarsely punctured. Antennaj 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; di.sk with a deep oblong fovea before the middle and 

 a triangular one near base, the latter feebly connei-ted with a large dee,i 

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

 at base, not reaching middle. At>domen longer than elytra, the first and 

 second dorsals carinatc. Length 1.2-1.5 mm. (Fig. 152, e.) 



Clarion County ; rare. IMay 2s. 



Bihloplrctns rv'fi.cc-ps Lec, dark brown, elytra darker, surface 

 not punctate, pubescence short and fine, length .7 mm., is known 

 from ^richigan and Illinois. 



Thi'siiiiii carrfroiis Lec, reddish-brown, legs and antenna' paler, 

 pubesceuce rather dense, pale, length S mm., occurs in the "ilis- 

 sissippi Valley." 



Aciiuin aiKjustiiiii Casey, pale reddish-yellow, length 1.2 mm., 

 was described from Pennsylvania. 



XVIII. Trjmkhiklba Casey. is;)7. 



Differs from Mdhn in its larger head with more remote fovea-; 

 longer first dorsal and second ventral segments; ninth and tenth 

 antennal joints small, doubly conve.x : hind tarsi long, slender. th'= 

 second .ioint twice as long as third. One species has been taken, 

 while another ma>' (I'.'cur. 



KEY ni l.NDIAXA SPECIES OF TRl.M 1(I.\[K1.BA. 



(I. Head njl ]iuncta(o. the trout obtusrb' rounded between the antennte; 



fovefe of iicciput small and deep: width across tin- shoulders equal 



to that of thora.x. rnxvKxru. 



iia. Head distinctly punct.ate, the front more narrowly subangulate; foveir 



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



627. DUBi.\. 

 T. conrcxiila Ijcc. deep yellow, very convex, pubescence not visi- 

 ble, length .7 mm., is known from Pennsylvania and Illinois. 



