

Vol. XLV. LONDON, OCTOBER, 1913 No. 10 



REPORT ON A COLLECTION OF JAPANESE CRANE- 

 FLIES (TIPULID^), WITH A KEY TO THE 

 SPECIES OF PTYCHOPTERA. 



BY CHARLES P. ALEXANDER, ITHACA,_ N. Y.* 

 (Continued from page 295). 



Tribe Limnophilini. 



Genus Limnophila Macquart. 



Key to the Japanese Limnophila. 



1. Wings unspotted (subgen. Limnophila) inconcussa, sp. n. 



Wings marked with brown (subgen. Pcecilostola) 2. 



2. Large species (male, length 22-25 mm.; wing over 15 mm.); 



wings with a few large seams or blotches. . . .satsuma Westw. 



Small species (male, length 10-13 mm.; wing under 12 mm.) 



wings with abundant dots in the cells 3. 



3. Legs and abdomen yellow throughout; petiole of cell Mi as 



long as cell 1st M2 varicornis Coq. 



Legs with segments tipped with brown ; abdomen yellow and 

 brown; petiole of cell Mi longer than cell 

 1st M2 japonica, sp. n. 



Limnophila inconcussa, sp. n. 



Wings unspotted; cross-vein r far from tip of Ri. 



Rostrum brownish yellow beneath, brown above, palpi brown; 

 antennae dark brown, the third segment more yellowish at its base; 

 antennae short, reaching about to the wing basis; front, vertex 

 and occiput dark brown, dusted with grey. 



Mesonotum greyish with a median brown stripe; pseudo- 

 •sutural fovea and tuberculate pits very distinct, black; scutum, 

 scutellum and postnotum brown, pleurae dark brown (probable 

 that the body, in dried specimens, is grey). Halteres pale. Legs: 

 coxae and trochanters dull yellow; femora yellow, a little darkened 



*Contribution from the Entomological Laboratory of Cornell University. 



