THe CRANE-FLIES or New York — Part I 917 
Cross-vein 7 removed some distance from the tip of Ri, so that this distance is from one 
and one-half to two times the length of the radial cross-vein; tuberculate pits 
PLC SCI PEC re reel tain Scie che SMR ER ae LN ehh ae ese eia wien aie ee eons 13 
Ultimate segment of R: curved to the costa and scarcely longer than the cross-vein r 
itself; tuberculate pits lacking in all species except fratria...................000-- 22 
(L. marchandi should be interpreted as coming in this division, from the evident 
relationship with L. alleni.) 
Cell ist M2 very much elongated, the inner end lying far inside the level of the cord. 
[Proc. Acad. Nat. Sci. Phila., p. 237. 1859.] (Plate XX XVIII, 124.) 
L. areolata O. §. 
Cell 1st M2 not greatly elongated, the inner end at the level of the cord............. 14 
R2+: longer than cell R: alone. [Proc. Acad. Nat. Sci. Phila., p. 238, pl. 4, fig. 26. 1859.] 
(Pei: SOOT PATA) eet ee eee aoe tees oR ee cS ate Pye L. ultima O. S. 
hee notlonzerthani cell) We alone. -4....)-2.2-2050-4055550-% ect ens ager tA ee Sete 15 
Cell M, very short, not longer than the basal deflection of Cu. [Proc. Acad. Nat. Sci. 
Bini ae sisson (Plate XOXOXV IM 125) fics oe ae L. brevifurca O. 5S. 
(Specimens of L. brevifurca are rather frequently found in which the fusion of M+: 
is continued to the wing margin, in which case the species would run down to couplet 
41; such abnormal specimens are rare, however, and usually have one of the wings 
normal. ) 
Cell M; long, more than twice as long as the basal deflection of Cw................. 16 
Head narrow, prolonged behind; cells R; and 1st M2 longer than cell R;, so that the cord 
is not in a straight line; radial and medial veins long, slender, arcuated; second anal 
vein incurved at the tip. (Subgenus Psewdolimnophila Alex.)................... 112/ 
Head broad, not narrowed behind; cells R:, Rs, and 1st M2 with their inner ends about 
on a level; radial and medial veins stout and straight; second anal vein not incurved at 
the tip. (Subgenus Hulimnophila Alex.)............ 0 cece cece eect eee ence eee 20 
Wings with small brown dots on the cross-veins and at the forks. [Proc. Acad. Nat. 
Sei. Phila., p. 236, pl. 4, fig. 24. 1859.] (Plate XX XIX, 135.)....L. luteipennis O. S. 
VP CRC le MIAMUINSDOULEU Mw Ue nery ne oshic aye clo ten ts wlece wats vey case tastes tis Swale mute age Rue 18 
Thorax clear blue-gray. [Mon. Dipt. N. Amer., part 4, p. 219. 1869.] (Plate XXXIX, 
1B) oo 0 6d 6 b0 6a SSO oe CE ene ie Pr B rE ERLE at nM eS tier eye L. inornata O. 8. 
MhoraxdborowMishawibnoutonray COlOL= 15...) tician sienitie hed s cioleeuesciecia oA oben 19 
Pleura, of thorax grayish, unmarked; size small. [Mon. Dipt. N. Amer., part 4, p. 218. 
5 ON ME PN 5b acs Gesyale hs ae Sas ro Siecle SDS ree L. contempta O. 8. 
Pleura of thorax dull yellow, with a conspicuous dark brown stripe extending from 
the cervical sclerites to the postnotum; size larger. [Proc. Acad. Nat. Sci. Phila., 
p. 592, pl. 25, fig. 3. 1914. (Plate XXXIX, 136.)........... L. mgripleura A. & L. 
(In the writer’s key to the species of the luteipennis group [Proc. Acad. Nat. Sci. 
Phila., p. 593, 1914], in couplet 4 L. contempta is given as being a larger species 
than L. nigripleura. This is erroneous, L. contempta being the smallest species of 
the group. It is more southern in its distribution than L. nigripleura.) 
Wings narrow, grayish; stigma distinct, hairy; antennae of male elongated. [Limnobia 
tenuipes Say. Journ. Acad. Nat. Sci. Phila., vol.3,p.21. 1823.] (Plate XX XVIII, 
PAL) «6.0.0 6.0.8.5 .05 0 Ne one NAR aE ARETE 2S gS RN me a Ue ten Fede Rea gas L. tenuipes (Say) 
Wings broader, more yellowish brown; stigma not distinct; antennae of male short... .21 
Body opaque; front gray. [Proc. Acad. Nat. Sci. Phila., p. 237. 1859.] (Plate 
ZOROK WY LINIT, ZEA) sie eee eect pe phe eae No OR ee L. imbecilla O. S. 
Body shiny reddish yellow; front yellowish red. [Mon. Dipt. N. Amer., part 4, p. 212. 
INSOD. || (CEA a) 24 UD a IP a eye dU a L. recondita O. 8. 
Very large species, wing over 18 mm. (Subgenus Hutonia v. d. W.)................ 23 
CIES POC ICS MWA D UGER LITT) 595.417 slags, oslo ses cl buore suevc bee ordinal oe ek ete alee 24 
