W. G. DIETZ 
203 
Clciius NEPHROTOMA Meijini 
XcpIirolonKi Alc'i^cii. llligcr’s Mag., p. 2()2, 180;j. 
Ncphrotoma eucera L(jo\v, Berlin. Eiit. Zeitsclir., vii, p. 2!)(), ISO;]; Cent , 
IV, p. 3!). 
Not rare. June to August. 
Clonu.s TIPULA Linn aen.s 
Tipuhi Linnaeus, .Sy.st. Natur., ed. x, p. .5S.5. 
yuOgenus Trichotipula Alexander 
Tridtolipnln Alexander, I’rue. Acad. Xat. Sei. I’liila., Ktl'n p. Ki.S. 
Tipula oropezoides Johnson, Proe. Boston Soe. Xat. Hist., xxxiv, no. 5, 
p. 131, 1909. 
Oecurrecl tVeiiuently in May and June, years ago, in open 
woods. X^ot taken sinee 1015. 
Suhgenus Tipula Linnaeu.s 
Tipula trivittata Sa.y, Journ. Aead. Xat. Sei. Phila., in, p. 20, 1S23; Conipl. 
W'orks, II, p. 50. 
Ivtither eoinnion. May and June, open woods, meadows. 
Tipula similissima spee. nov. 
Agrees with IripilUiUi in wing picture. Antennal flagellum unicolorous 
dark fuscous. Thoracic markings and abdomen alike in both. 
siniilissinia 
(kilor of thorax more grayish- 
yellow; the me.sosternum more dis- 
tinctly infuscate. 
The emargination of the ninth 
tergite broadly triangular,*^ sides 
with two or three denticles; lateral 
angles of the emargination not acute. 
( tutor aiiical appendages elongate- 
triangular; the lower apical appen- 
dages shorter, reaching scarcely fur- 
ther than to the middle of the for- 
mer, bicuspidatc, the ujiper cusp 
longer. 
Iririlliitd 
Bather a pure gr.ay; I be darkening 
of the mesosternum obsolete, or 
much less evident. 
iMiiargination broadly subreiiiform, 
a tooth-like jiroji'ction from the 
middle of the emargimd ion ; lateral 
angles of tli(‘ emargination \'ery 
aciil(‘. 
d’hese appendagi's elongate-l.'incco- 
late; the lower apical appendages 
longer, reaching to the l(‘V('l of the 
ninth tc'rgite, a spat nla-liki' pro- 
cess at its base posteriori}', sepaiateil 
from the aj)j)endage by a I'-shaped 
emargination. 
Uoloiijpe . — cf ; Hazleton, Pcmnsylvania. Juno (i, 1920. 
inah's; topotypie, June 0, 1912, July 10, 19IS and 
•’In my Synojisis of Tipula, etc., (.\nnals Lnt. Soc. ol .America, 191.5, 
p. 4()2) the reference to t he ninth tergite of /rfiv7h//u apiilies to the pre.sent 
species. 
TIUNS. AM. E.NT. SOC., .XLVIl. 
