Sept.. 1913] Alexander: Craneflies from Colombian Andes. 199 



Tribe Antochini. 



Genus ATARBA Osten Sacken. 



• 7. Atarba columbiana new species. 



General color yellow, wings broad with the stigma indistinct, femora with 

 a brown subapical ring. 



Male, length about 6 mm. ; wing, 7.8 mm. 



Female, length, 5.5 mm. ; wing, 7.4—7.8 mm. 



Rostrum brownish yellow, palpi very dark brown ; antennae elongated, the 

 segments of the flagellum elongate-oval, antennae light yellowish brown, with a 

 dense white pubescence ; head light yellowish gray. 



Mesonotal prsescutum rather shiny, dull yellow, without apparent stripes, 

 sometimes with a brown suffusion ; remainder of the mesonotum similar. 

 Pleurse light yellow. Halteres short, stem pale, knob darker. Legs bright 

 yellow, femora with a conspicuovis brown ring just before the tip, tarsi with 

 segments 2 to 5 and the tip of segment i brown. Wings subhyaline, iridescent, 

 stigma indistinct, veins in the costal region yellow, others brown. Venation 

 (see PI. 2, fig. 4) : Sc short, Sc^ ending opposite the origin of Rs ; 5"c, about 

 five times as long as Sc^ ; cell 1st M„ about square ; basal deflection of Cn^ 

 beyond the fork of M. 



Abdominal tergites dark brown, the hypopygium a little brighter colored, 

 sternites yellowish brown. 



Holotype, S, Almaguer, March 11, 1912. 



Allotype, ?, with the type. 



Paratypes, i c?, i ?, with the type. 



A. Columbiana differs from all of the known species of the genus in 

 its brown femoral rings. As I have indicated in previous papers, the 

 species of Atarba described by de Meijere, Williston and others are 

 not members of this genus but aberrant species of the Eriopterinc 

 genus Gonomyia. 



Tribe Eriopterini. 



Genus GONOMYIA Meigen. 



8. Gonomyia andicola new species. 



Basal flagellar segments swollen, thoracic dorsum dark clove brown, pleurae 

 with a broad yellowish band, wings tinged with darker. 

 Male, length, 5 mm. ; wing, 6.6 mm. 

 Female, length, 5.5 mm. ; wing, 7.3 mm. 



