1914.] NATIKAL SCIENCES OK PIIILADEI.IMllA. .J95 



The incinl)ers of the aduMa group sire ilistinguishcd by the follow- 

 ing characters: railial sector short, arcuated; cross-vi>iii /• situated 

 at about inid-lcngth of R^ which is quite oi)lique. The species are 

 yellowish or brown and specimens in a single species var^- much in 

 the intensity of their coloration. 



The following species have been exainiucd and prove to iielong 

 to this group of the genus: 



Limnophila fHlmmstalU Coquillett,'- from IJcring Islands, type 

 4.049 U. S. X. "m. 



Liiiinophila co><kit(i Coquillett," from New Mexico, type 5,318 

 U. S. X. M. 



Liwnophiln inmlmn, .loluKon." from Bcrmuila. type in the collec- 

 tion of Mr. Johnson 

 Limnophila stanwoods i 



Belongs to the qiuKlrnUi <_)sten Sacken group: body-coloration 

 yellow; wings i)ale yellow; Rh long, cell -U, absent. 



Male, length. 6.6 (J. 9 mm.; wing, 7.5 7.9 mm. 



Female, length, 6.8 7.2 mm.; wing, 6.8-7.3 mm. 



Rostriun yellowish, pal]ii with the basal segnu-nts light colored, 

 terminal two brown. .\ntenniB with the scape yellow, flagallum 

 brown, the jiroximal half of the fir.st two flagellar segments yellowish. 

 Head reddish yellow. 



Thorax l:)rownish ,\ellow without distinct dark lines, the post- 

 notum with a narrow indistinct median stripe of brown. PleuriB, 

 pro-pleuriB darker, th(> meso- and metapleura> light yellow. Ilalteres 

 pale y(>liow. Legs, coxa? and trochanters light yellow, femora 

 brownish yellow darkening into brown at the tip, tibiie light brown 

 darker at the tip, tar.si dark brown. Wings with a light yellow tinge, 

 the stigma gray, oval, veins brown, the radial cross-vein mostly 

 obscured by the stigma; venation (PI. XXV, fig. 5). 



Abdomen brownish yellow, the lateral line brownish; sternites 

 a little Ijrighter yellow; segment 8 and the caudal half of the 7th 

 brown; hypopygium yellowish: valv(>s of the ovipositor of the 

 female long, acicular. 



Holotypc, cf . Sacandaga Park, Fulton Co., X. Y.. June 11. 1914. 



Allotype, 9 , topotypic. 



Paratj-pes, 3 cf , 18 9. Ellsworth, Hancock Co.. Me., June 21 

 Julv 23, 1913. 



'=Fur Seals and Fur-Scal Islands, vol. 4, p. 342; 1S99. 

 "Psyche, vol. 9, p. 149; 1901. 



"The Dipteran Fauna of Bermuda, Annals nf lli" Entomnloyiatl Snrivly of 

 America, vol. 6, pp. 443, 444, fig. 2; 1913. 



