No. 64] DIPTERA or CONNECTICUT: TAXONOMY 403 



gently curved apical point; inner dististyle with a large basal setifer- 

 ous lobe, the outer portion of style strongly bent at near midlength 

 into a straight terminal portion. $. L. 6.5-7.5 mm.: w. 5.8-7.2 mm. 

 ? . L. 7-8 mm. ; w. 6.5-7.5 mm. 



(July, Aug.) Que., Me., Mass., N. Y., Pa. 



L. {Phylidorea) persimilis Alex. 



1927. Limnophila {Phylidorea) persimilis Alexander; Bull. Brooklyn 

 Ent. Soc, 22 : 62-63. 



Belongs to the similis group, consvmilis subgroup. General color- 

 ation of thorax ferruginous. Antennal flagellum yellow; head light 

 silvery gray. Femora brownish black, the bases yellow, on fore legs 

 including about basal fourth, on middle and hind legs about basal 

 third. Wings pale yellow; sparse macrotrichia on .ff2+,s+4- Abdomen 

 obscure yellow without a conspicuous darkened subterminal ring. $. 

 L. 6.5-7 mm. ; w. 6.5-7.5 mm. 9 . L. 8-9 mm. ; w. 7.8-9 mm. 



(June) S. Ind. 



The wing-pattern is the palest of any member of the consimUis 

 subgroup, in some cases being very nearly immaculate. 



L. (P^?/?yV7ore«) platyphallus Alex. (Fig. 46, H). 

 1926. Limnophila {Phi/lidorea) plati/phalhis Alexander; Bull. Brook- 

 lyn Ent. Soc, 21 : 111-112. 



General coloration chestnut-brown, the praescutum darker medi- 

 ally. Antennal flagellum yellowish broAvn ; head gray. Fore and 

 middle femora blackened, the basal fifth yellowish; po.sterior femora 

 yellow with about the distal third dark brown. Halteres with dark- 

 ened knobs. Wings whitish subhyaline, the costal and apical por- 

 tions infuscated; usually without a darkened seam aloriir vein Cv^ in 

 cell M. Abdomen brownish yellow, with a dark sul)terminal ring {$). 

 Male hypopygium with the aedeagus a verv flattened, compressed black 

 blade (Fig. 46, H). $. L. 6.5-8 mm. : w."8-9 mm. 9. L. 10-11 nun. : 

 w. 10-11 mm. 

 (June) Ont.. Que., Me.. N. H., \'t., Mass., N. Y., Pa., westw. to Mich, and .\lta. 



Connecticut.— Granby. June 8, 1929 (C. P. A.): Manitic Lake, June 8-9. 1929 ( C. P. 

 A.) ; Putnam, June 15, 1933 (C. P. A.^. 



Possibly not distinct from ferrae -novas, which is still known only 

 from the female sex. 



L. {Phiflidorea) similis Alex. (Fig. 46, I). 



1911. Limmophila simUis Alexander; Psyche, 18: 195-196. 



Figs —Alexander, Ibid., pi. 16. fig. 4 (wing), fig. 8 (hyp.): 1911. Alexander. 

 Cfls. N. v.. 1, pi. 39, fig. 129 (wing) ; 1919. 



General coloration dark brown, sparsely pruino.^e, the sides of 

 mesonotum sometimes brightened. Antennal flawlhnii vellow. Knobs 

 of halteres darkened. Wings yellowish or whitish subhyaline. with a 

 restricted brown pattern, including the costal and apical portions, and 



