BY F. W. EDWARDS. 247 



BIBIONIDAE, 



DiLOPHUS RUBIDUS Sp. n. 



cf. Head black. Antennae black, except for tbe pecond 

 se.Q'ment, which is ochreoiis. Flafrellnm appnrentlv -u-ith eifrht 

 segments only, first as loncf as broad, n'^\t three bronder thnn 

 lorig- but rlictinctly separated nnd formin? a port of club. 

 Thorax with the pronotnra, scntnm and scntellnm uniformly 

 red, poptnotn^T pTid pleurae rather dark brown. Anterior 

 pronotal comb with two Tronps of fonr teeth, postp^-ior romb 

 with two teeth at ea<"h side, one placed in front of the other. 

 and between these a row of six smaller teeth. Ahrfomrn 

 brownish red, darker at thp tip. Lens; with the coxae and 

 trochanters ovancfe, front femora reddish, darker at base and 

 tip. posterior femora dark brown, lic^hter at ihe base, tibiae and 

 tarsi black. Proximal comb of front tibiae with three spines 

 in a transverse row. and a fonrth more distally placed on the 

 onter side. Winqs brownish, darker toward'? costa. sti^rma a 

 little darker still : all veins about eonally dark. Basal section 

 of 7?.<? verv short, harelv a third as lone as r — m; median fork 

 with a short stalk; m — cu almost vertical, not outwardly 

 oblione as in the European species. PTalteres black. 



Length of bodv 4 mm. ; winsf 4 mm. 



Mt. Mnrnd. 7000 feet. October— 1 9 . 



The allied D. nigristigiva de Mei]'. differs in the dark 

 scntelliim and the more nnmerous teeth in the posterior pro- 

 notal comb, also in the bric^hter red posterior femora. 



CHIEONOMIDAE. 



CuLTcoTDES GYivmoPTERUS sp. n. (Plate 9, fi^. 3; Plate 10, 

 fig. 26.) 



9 . Head black, antennae and palpi dark brown ; eyes 

 just tonchin'jf. Last five flajrellar se<?mer!ts abont three- 

 quarters as long as the first eight ; first flagellar segment 

 shortly oval, next 7 flask-shaped, but very little enlarged at the 

 base, gradually becoming more elongate. Palpi slender, the 

 antepenultimate segment scarcely enlarged on the inner side. 

 Thorax mostly yellowish above ; mesonotum dark brown in 

 front ; scutellum narrowly dark brown at the sides, postnotum 

 similarly coloured at the sides and apex. Two scutellar bris- 

 tles, close together. Pleurae largely dark. Abdomen dark 



