W. G. DIETZ 
239 
Dicranomyia diversa Osten-Sackeii, Prno. Acarl. Nat. Sci. Pliila., PSaO, 
p. 2P2; Mon. X. Dipl., iv, p. (U. 
Hare. May 18, 1919; June 7 and 19, 1912; June 29, 1913; 
AuH'ust 25, 1914. 
Dicranomyia pudica ( I.sten-Saokcii, Proo. Acad. Nat. Sci. Phila., IS.)',), 
p.2P2; Mon. X. A. Dipt., iv, p. d4. 
Hare. June 3, 1913; June 12, 1910. 
Dicranomyia isabellina Doanc, Journ. X. ^ . Ent. Soc., p. 1S2, ))1. 7, 
tlf>-. 5, !')()(). 
Infrequent. July 27, 1915; September 19, 1915; October 2, 
1917. 
Dicranomyia flavescens spec. nov. 
Close to brevivoKi. 
Male, length, 3.0 niin.; wing, o..') nan. 
Head black, occi|)ut grayisli-silviny; rostrum dark yellow; palpi entirely 
fu.scous. Antennae fuscous, rather robust, flagellar joints subeyat hilorni. 
d'horax dull yellow, a> little darker above, the stripes faint, the median one 
divichal by a pale line. Halters ])ale brown, club dark brown. L(‘gs pale 
yellow tlu'oughout, pul)escence tine, veiy shoi't. M ings yellowish, subptd- 
lucid, with an ii’idescent luster. dJie Sc (uuls about tin- huigth ol t lu' stigma 
befort' the oi'igin of the s(“ctor; Sc' about, as long as the stigma. Ks and 
1P + '’ subi‘(|ual; c(‘li 1st M’ clos(‘d. Abdomen yellow, a trifle dark('r above. 
Ihilotype. — cf ; Ibizhdon, Honnsylvanin. Soploinbtu' 21, 19 19. 
J^aratijpes, two nitiU's, lopotypic. 
Difftu's from hrcrivciid in its dull yidlow thorax, indistinct 
stripes, the nualittn one divided by a pah' litu', and tlu' abdoiiu'n 
much h'ss darkt'iu'd above. 
Dicranomyia pennsylvanica sp(‘c. nov. 
Close to Jidvc.sceiiii. 
■Male, length, o mm.; wing d.'i mm. 
Head, paljri and antennae fuscous; rosti'um yellow: the first three joints 
of the antennae somewhat incrassat(‘, rest ot flagellum slender, joiids ovoidal, 
longcu’ than wide, with a dense, tine, ])ale ])ut)escenci“. I horax |•('ddish- 
y('ilow, the median strij)e reddish-biown, strongly mark('d, shining and ex- 
tending upon the neck; the lateral strip('s less distinct and (‘xtcuid upon thi' 
scutum. Pleura pale. Halters pale, lightly iniiiscat(' apically, idub daik 
fuscous. L(‘gs pale, pubescence scarcely noticeable; tarsi infiiscatc lo\\atd^ 
the apex. Wings .somewhat narrow, iridescent, pellucid: Sc (umIs just be- 
fore origin of sectoi'; Sc' about as long as tlu' stigma, the lattfu pale, IC 
TUANS. AM. RNT. SoC., Xl.VU. 
