No. 64] DIPTERA OF CONXEGTICLT; TAAONO.MV 429 



General coloration brownish yellow. S. L. ;i.}» niiu.: (lianicter 

 across pronotum, 0.6 mm. 



(Dec.) N. Y. 



C. noveboracensis Alex. 



1917. Chionea noveboracensis Alexander; Can. Ent., 41» : -io.'). 



Antennae black. Ovipositor long and conspicuous. 9. L. alx.ut 

 3.5 mm. 



(Feb.) N. Y. 



C. primitiva Alex. 



1917. Chionea primitiva Alexander; Can. Ent, 49 : -204. 



Figs.— Alexander, Ibid., 49:203, fig. 1 (ad. $), fig. 4 (ant.): 1917. 



Readily told from the other species in our fauna Ity the number of 

 antennal segments. $. E. 5.5-5.8 mm.; diameter across pronotum. 

 1.3-1.5 mm. 



(Nov.) Mass., N. Y. 



C. valga Harr. 



1841. Chionea valga. Harris; Insects Injur, to \^egetation. Ed. 3:601. 

 1848. C. aspera Walker; List Dipt. Brit. Mus., 1 : 82. 

 1848. C. scita Walker; Ihid., 1 : 82. 



Figs.— Harris, Ibid., fig. 260; 1841. Tohnson, Psyche, 14:43 (ad. i. 9); 

 1907. Crampton, Insec. Inscit. Menst., 13, pi. 2, fig. 9; pi. 3, fig. 20 (thorax) ; 1925. 



General coloration reddish broAvn. All femora more or less in- 

 crassated in males, especially the somewhat bowed posterior femora. 

 <^. L. 4-5.5 mm.; diameter across pronotum, 0.8-1.2 nmi. $. L. altout 

 5 mm. ; diameter across pronotum, about 0.9 mm. 



(Dec.-Feb.) Ont., Que., Me., N. H., Mass., N. Y., westw. to Minn, and Sask. 



C. waughi Curr. 



1925. Chionea waughi Gurran; Can. Ent, 57:24. 



Most readily told from valga, its nearest ally, by the average lar- 

 ger size. The posterior femora are more strongly incrassated than 

 are the others, i . L. 6-6.5 nun. ; diameter acro.ss pi-oiiotum. about 1.2 

 mm. 9. L. 5.5 mm.; diameter across pronotum, about 0.8 nun. 



(Sept.-Dec.) Lab. 



Neolimnophila Alexander 



1920. Limnophila {NeoJimnophila) Alexander: Proc. California 

 Acad. Sci., (4) 10:37-38. 

 A small genus of Holarctic crane-flies, most numerous in species in 

 Eastern Asia. The adults are on the wing in Spring and again m 

 Autumn, occurring in small dancing swarms. The early stages pre- 

 sumably live in garden soil and similar situations. 



