836 i CHARLES PauL ALEXANDER 
Liogma nodicornis (O. 8.) 
Dolichopeza americana Needm. 
Nephrotoma lugens (Loew) 
Tipula apicalis Loew 
cayuga Alex. 
macrolabis Loew 
monticola Alex. 
Tipula oropezoides Johns. 
penobscot Alex. 
senega Alex. 
serta Loew 
submaculata Loew 
sulphurea Doane 
taughannock Alex. 
Early summer to midsummer species — from June 21 to August 10 — 
are as follows: 
Bittacomorphella jonesi (Johns.) 
Dicranomyia globithoraz O. 8. 
macateer Alex. 
pubipennis O. S. 
Limnobia triocellata OQ. 8. 
tristigma O. S. 
Elephantomyia westwoodi O. 8. 
Ormosia monticola (O. S.) 
nigripila (O. 8.) 
rubella (O. 8.) 
Erioptera armillaris O. 8. 
chlorophylla O. 8. 
chrysocoma O. 8. 
graphica O. 8. 
straminea O.S.  _ 
Molophilus fultonensis Alex. 
hirtipennis (O. 8.) 
pubipennis (O. 8.) 
ursinus (O. 8.) 
Gonomyia alexanderi (Johns.) 
blanda O. 8. 
manca (O. 8.) 
sacandaga Alex. 
In Europe the following species seem to have this seasonal distribution: 
Tipula cava Ried. 
livida v. d. W. 
Midsummer to late summer species — from August 10 to September 
10 —are as follows: 
Dicranomyia longipennis (Schum.) 
Limnobia solitaria O. S. 
Erioptera parva O. 8. 
Adelphomyia americana Alex. 
cayuga Alex. 
In Europe the following species seem to have this seasonal distribution: 
Tipula bifasciculata Loew | 
dilatata Schum. 
Rhabdomastiz flava (Alex.) 
Cryptolabis paradoxa O. S. 
Limnophila albipes Leon. 
inornata O. S. 
nigripleura A. & L. 
noveboracensis Alex. 
stanwoodae Alex. 
Penthoptera albitarsis O. 8. 
Eriocera fultonensis Alex. 
tristis Alex. 
Cylindrotoma americana O. S. 
tarsalis Johns. 
Phalacrocera neoxena Alex. 
tipuiina O. S. 
Longurio testaceus Loew 
Nephrotoma eucera (Loew) 
xanthostigma (Loew) 
Tipula fuliginosa (Say) 
hebes Loew 
hermannia Alex. 
tricolor Fabr. 
valida Loew 
Tipula trifasciata Loew 
vernalis Meig. 
Tricyphona autumnalis Alex. 
katahdin Alex. 
Tipula abdominalis (Say) 
sayt Alex. 
unimaculata (Loew) 
Tipula fulvipennis DeG. 
helvola Loew 
