Vol. XXV] ENTOMOLOGICAL NEWS 2O5 



The Neotropical Tipulidae in the Hungarian Nat- 

 ional Museum (Diptera) III. 

 By CHAS. P. ALEXANDER, Ithaca, N. Y. 



(Plate IX.) 



Tribe 3 ERIOPTERINI. 

 Genus Erioptera Meigen. 

 1803. Erioptera Meigen; Illiger's Magaz., vol. 2, p. 262. 



Erioptera (Mesocyphona) annulipes Williston. 1 



One female from San Bernardino, Paraguay, Fiebrig, 1908; 

 one female from Callanga, Peru. 



Erioptera (Mesocyphona) sp. 



One female from Paraguay, taken by Fiebrig. It is closely 

 allied to immaculata Alexander. 2 



Erioptera (Mesocyphona) sp. 



One male from Coroico, Bolivia. Closely allied to caloptera 

 Say. 3 



Genus Molophilus Curtis. 



1833. Molophilus Curtis; Brit. Entomol., p. 444. 



Molophilus flavidus sp. n. (PI. IX fig. 2). 



Color yellowish; male antennae elongate; ventral appendage of the 

 male hypopygium deeply bifid. 



Male. Length, about 4.1 mm. ; wing, 5.6 mm. Palpi brown ; an- 

 tennae elongate, the segments covered with a dense pubescence, an-' 

 tennae very light brown ; head dull yellow. 



Pronotum pale yellow without apparent stripes, the lateral margin 

 of the sclerite and the sides of the pronotal scutellum very light yel- 

 low; scutum, scutellum and postnotum light brownish yellow. Pleurae 

 light yellow. Halteres, stem yellow, knob broken. 



Legs, coxae and trochanters yellow ; femora yellow basally darkened 

 into brownish on the apical half ; tibiae and tarsi brown. 



Wings pale yellowish, veins light yellow, indistinct. Venation : basal 

 deflection of R4 plus 5 very reduced, or, in other words, the veins 

 R2 plus 3 and R^ arise almost directly from the end of R$. 



Abdomen light yellowish brown. Hypopygium with the ventral ap- 

 pendage (see Plate IX, fig. 2) very deeply bifid, the inner branch short- 

 er, at its tip slightly denticulated, the outer branch very long, bearing 



1 Williston, Trans. Ent. Soc. Lond., p. 294 (1896). 



2 Alexander, Proc. U. S. Nat. Mus., vol. 44, No. 1966, p. 518; pi. 66, 

 fig. 20. 



3 Say, Journ. Acad. Nat. Sci. Phila., vol. 3, p. 17 (1823). 



