332 FAMILY X. 1'SELAPHID.E. 



E. spiitifcr Casey, brown, shining, not punctate, was described 

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

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

 conspicuous, are both recorded from near Cincinnati; E. lincaris 

 Lee., brown, length 1.5 511111., is said to occur "east of the Mississippi 

 River." 



<>2G (10X1). EUPLECTUS CONFLUENS Lee., Bost. Journ. Nat. Hist., VI, 1849, 



105. 



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

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

 nearly smooth; elsewhere coarsely punctured. Antenn:e 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 with a deep oblong fovea before the middle and 

 a triangular one near base, the latter feebly connected with a large deep 

 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 1.2-1.5 mm. (Fig. 152, e.) 



Marion County; rare. May 28. 



Bibloplec his raficeps Lee., dark brown, elytra darker, surface 

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

 from Michigan and Illinois. 



Thrsium cavifrons Lee., reddish-brown, legs and antennas paler, 

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

 sissippi Valley." 



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

 was described from Pennsylvania. 



XVIII. TRIMIOMELBA Casey. 1897. 



Differs from Melba in its larger head with more remote fovea 1 ; 

 longer first dorsal and second ventral segments; ninth and tenth 

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

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

 while another may occur. 



KEY TO INDIANA SPECIES OF TRIMIOMELBA. 



<i. Head nit punctate, (lie front obtusely rounded between the antenna 1 : 



fove:e of occiput small and deep: width across the shoulders equal 



to that of thorax. ( OXVKXTI.A. 



nil. Head distinctly punctate, (lie front, more narrowly siihangulate ; fove;e 



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



627. DUBIA. 



T. coHrc.ruld Lee., deep yellow, very convex, pubescence not visi- 

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



