852 CHARLES Pau ALEXANDER 
Larch Meadows, near Ithaca, New York, on May 15, 1917, where they 
were associated with larvae of Rhamphidia mainensis, Pseudolimnophila 
lutecpennis, Tipula dejecta, and other swamp-inhabiting species. 
Larva.— Very similar to that of P. luteipennis, but body is darker and is conspicuously 
blotched with whitish, especially on posterior parts of ventral segments. Mouth parts 
nearly the same in the two species. Antenna (Plate XX XIX, 174) with two very long and 
slender terminal papillae, one blunt at tip, the other much longer and tapering gradually 
to tip. 
Pupa.— Very similar to that of P. luteipennis, but somewhat smaller and darker-colored. 
Pronotal breathing horns (Plate XL, 177) darker brown, the divergent terminal flaps pro- 
portionately a littleemore elongate, equal to almost one-quarter length of entire horn. Dorsal 
lobes at base of ovipositor more attenuated. 
Nepionotype.— Larch Meadows, Ithaca, New York, May 15, 1917. No. 53-1917. 
Neanotype.— Larch Meadows, Ithaca, New York, May 25, 1917. No. 53-1917, cast 
pupal skin. 
Subtribe Dactylolabaria 
The division Dactylolabaria is proposed for the genus Dactylolabis, 
a small group of curious crane-flies which are still not well understood. 
The adult flies bear a striking resemblance to species of the genus Lim- 
nophila, but the larvae and the pupae show characters that are not found 
in the more specialized divisions of the Hexatomini. The type of the 
genus is Limnophila montana O. 8S. of the eastern United States. Other 
Nearctic species included are L. damula O. 8. (western United States), 
L. rhicnoptiloides Alex. (northwestern Canada), L. cubztalis O. 8. (eastern 
United States), L. nztidithorax Alex. (western United States), and L. 
hortensia Alex. (western Canada). 
The immature stages of two European species — D. wodzickit (Now.) 
and D. denticuldta Bergr.— have been made known by Nowicki (1867: 
340-343) and by Mik (1894), respectively. Their descriptions of the 
details of the larval head and the lateral spiracles of the abdomen of the 
pupa are incomplete, however. The larvae of none of the American 
species have as yet been made known, but the pupae of D. cubztalis O. 8. 
were found by Needham and are described hereinafter. 
Genus Dactylolabis Osten Sacken (Gr. finger forceps) 
1859 Dactylolabis O. 8S. Proce. Acad. Nat. Sci. Phila., p. 240. 
Larva.— Body very depressed, the ventral surface, especially, being greatly flattened. 
Head capsule compact; mentum not completely divided, its anterior margin with seven 
teeth. Mandible with but few lateral teeth. 
