34. 
35. 
36. 
37. 
38. 
THE CRANE-FLIES oF NEw YorK— Part I 919 
. Large species, wing of male over 9 mm.; male with the pleural appendage of the 
hypopygium pectinated. (Subgenus Prionolabis O.8.)..........0.0.000.000005. 34 
Smaller species, wing of male under 8.5 mm.; male with the pleural appendage of the 
hypopygium not pectinated, rather sharply pointed. [{Journ. N. Y. Ent. Soc., vol. 24, 
p. 121-122, pl. 8, fig. 5. 1916.) (late EXOT TIA G8) eye torts cr nae eee L. terebrans Alex. 
Large, wing of male about 13 mm.; costal and subcostal cells of the wings rich yellow; 
stigma dark brown; bases of femora bright yellow; anterior apical appendage of male 
hypopygium bifureate. [Proc. Acad. Nat. Sci. Phila., p. 239, pl. 4, figs. 27, 27a, 27b. 
PON MER (lat eeNOl MAD ia cai SoS SEN. erento ela, sue ted Pete L. rufibasis O. S. 
Smaller, wing of male about 11.5 mm.; wings uniform light yellowish gray; stigma rather 
indistinct, grayish; bases of femora brownish yellow; anterior apical appendage of male 
hypopygium simple. [Psyche, vol. 18, p. 198-199, pl. 16, fig. 10. 1911.] (Plate 
PNGL ASS erry ince ete Ecc le Pee nall oahu a elapn Mist ey arhinet here sae L. simplex Alex. 
Rs elongated and spurred at its origin; antennae of male elongated. [Mon. Dipt. N. 
Amenyipart 4.0p. 207. ~“1869)|° (Plate XEXXXVIIL, 116). 2.2 352.2 L. poetica O. §. 
Rs usually shorter, if elongated not spurred at origin; antennae of male short except 
INR CL Ta GUCOLC MaRS re Sy Sx MS Vien, get cient EAN eg NR ON. Drs ane sae Pa pyre ena 36 
R2+3 elongated, more or less arcuated, longer than the basal deflection of Cu........ 37 
R2+3 not conspicuously arcuated, short, little if any longer than the basal deflection 
CLM O RT re ieee 5 NA NS i LG yn Wn tg A Tee re SAN Sra Pec A NIE ee 38 
Rs and Ro+3 Prone arcuated; cell {st M2 very broad; antennae of male short. [Proc. 
Acad. Nat. Sci. Phila., p. 236. 1859.] (Plate XX XVIII, 126.).....L. toxoneura O. 8. 
Rs almost straight; 2+; feebly arcuated but elongate; cell /st M2 narrow; antennae 
of male elongated. [Psyche, vol. 19, p. 167, pl. 13, fig.4. 1912.] (Plate XX XVIII, 
TD) ove: cig 080 Gils Oat CRONE Ee RE TELCO Se coin aCH SL war eee ine end er en L. laricicola Alex. 
Coloration gray; wings with the base strongly yellow, this including Sc for its entire 
length; hind legs with the apical third of femora dark brown, fore femora with the 
apical two-thirds dark brown; Fs rather elongate and somewhat angulated at its 
origin. [Phylidorea subcostata Alex. Can. Ent., vol. 43, p. 288-289. 1911.] (Plate 
iby, T4@).)) a6. b'c\ or 6c Sea a eae ee ee een en er reer MIE amore L. subcostata (Alex.) 
Coloration not gray; wings with the base not strongly yellow; legs with the femora 
yellow, the tips narrowly DO WAN aa es gee ttt nes eee ernest OL aR bN Rata no eRe pete 39 
. Coloration yellowish brown; tuberculate pits distinct; Rs nearly straight; antennae of 
male moniliform. [Mon. Dipt. N. Amer., part 4, p. 220. 1869.]...... L. fratria O. 8. 
Coloration yellow to reddish yellow; tuberculate pits not evident; Rs short, strongly 
arcuated; antennae of male not moniliform. (Subgenus Phylidorea Bigot.)........ 40 
. Large species, wing of male 9.5 mm.; abdomen of male without a black subterminal 
annulus. [Journ. N. Y. Ent. Soc., vol. 8, p. 191. 1900.] (Plate XX XIX, 132.) 
L. lutea Doane 
Smaller species, wing of male less than 7.5 mm.; abdomen of male with a black subterminal 
annulus. [Proc. Acad. Nat. Sci. Phila., p. 594, pl. 25, fig. 4. 1914. (Plate XX XIX, 
H1teS Peer Soar comme cd catty meee Raa hetons eu natn berate cateky EU L. novae-angliae Alex. 
. Cell Rz of the wings broadly sessile. [Proc. Acad. Nat. Sci. Phila., p. 597, pl. 27, fig. 28. 
TOWEL «(CP Meaiss Dec be SST Te) i eeare eee ace tae se cee De eM a eC een fe L. emmelina Alex. 
CellPzmotmuhekwinrsspetiolaterccsces March lie ce fe ise cineeaee se. domi eisdcae ese Uefa eo ciensne 42 
. Bases of cells Rs and {st M2 conspicuously nearer the wing root than cell R:;; petiole 
of cell R2 less than half the length of vein R2; vein R2 not short, oblique; veins issuing 
from cell 1st M2 about twice the length of the cell.............................. 43 
Bases of cells R:, Rs, and /st Mz about on a level; petiole of cell R. more than half the 
length of vein R2; vein R2 short, oblique; veins issuing from cell /st M2 about equal 
to or a little longer than the cell, if longer (as in L. edwardi) not twice this length... .44 
. Prescutal stripes not well-defined; tuberculate pits present; r far removed from the 
tip of Ri; basal deflection of Cw usually at from one-third to one-half the length of 
the cell {st Mz. (Subgenus Pseudolimnophila Alex.) [Psyche, vol. 18, p. 196-198, 
peptone LOLE | (Plate XE W150) ees is. osrecie ce eee L. noveboracensis Alex. 
