W. DIETZ 
217 
Sul)f^{‘mis Hoplulabis Oslen-Sacki'ii 
Moil. X. .V. Dipl., i\, p. ir)2, pi. 1 , Hi;'. IS. 
Erioptera armata ( I.sicii-Sackt'ii, Proc. Acad. Xal. Sci. I’hila., iSoP^ p. 227, 
])l. I, 20, 21 : Mon. X. A. Di])!., i\-, |). lOO, pi. i, IS, and pi. n', lij^. 1 1. 
Not rare. May to Septenilx'r. 
Sulijicnus Mesocyphona ( l.slcn-Sackcn 
Mon. X'. A. Dipt., iv, p. 1-32. 
Eriojitera caloptera Say, .Jonrn. .Vcad. Add. Sci. I’liila., iii, p. 17; ( 'oiniilete 
\\ Ork.'^, II, )). 11. 
( 'oinnioii. .) uiu' 1 o ( lelolier. 
Erioptera needhami Alexander, ('an. I'kil., i,, ]). 2S;), lOlS. 
A single speeiineii, takiai .Inly 7, IPIO. 
Cenus MOLOPHILUS Ciirli.^ 
J/e/e/i/oYa-s ( 'urlis, Bi'il. Dnloniok, p. IM, isa;;. 
Molophilus pubipeniiis ( Islen-Sacken, Proc. .\cad. Xal. Sci. Plnla., iSoO, 
]). 22S, (yErioplcra) ] Mon. X. Dipt., i\', ji. 102. 
^'('l•y eoininon. dune to Sepleinlier. 
Molophilus fultonensis Alexandi'r, Proc. Acad. Xal. Sci. Pliil.a., 1010, 
pji. d0,3 to -500, 1)1. xxvii, fifi'. M7. 
(’oniinon with the ini'ei'ding in damp situations. -Inne to 
.'\ugust. 
Molophilus hirtipennis ( Isten-Sacki'ii, Proc. Acad. Xal. Sci. Pliila., IS.30, 
p. 22S, {Eriiijitcrd)', Mon. Xd Dipl., i\’, j). lOd. 
\’ery eoininon, espi'eially late in the scaison. ( teeurs from May 
to Septeint»(‘r. 
Molophilus foreipula ( l.slen-Sacken, Mon. X. A. Dipl., i\ , ]). 10.'!, ISOO, 
(Erioiilcra). 
Rather searei' from May to Augip-^t ; veay eonmion in Si'pt em- 
ber among low heritage in swampy situations. 
Molophilus foreipula heterocera sul).sp. nov. 
Differs from the tyjiical form in the pale yellow antennal llasellum; the 
fir.st scapal joint brown, the second, yellowish-brown. The sulphur-yidlow 
humeral spot is scarcely noticeable. Other differences, if anj’, 1 tail to .see. 
Tivtxs. .\M. ExVr. sue., xlvii. 
