8 SOUTH AMERICAN TIPULIDAE 



the length of »SVi; basal deflection of Cih far before the fork of M, this dis- 

 tance equal from one-third to almost the length of the deflection. 



Abdomen dark brownish gray, the lobes of the male hypopygium yellowish. 



Habitat. — Peru. Holotype, d^, Matucana, Peru, altitude 

 7788 feet, July 14, 1914. (Parish coll.) Allotype, 9 , topotypic, 

 Paratype, 9 , topotypic. 



This species comes closest to D. andicola Alexander ^ but 

 differs in the conspicuous gray coloration of the body. 



Genus RHIPIDIA Meigen 

 Rhipidia (Arhipidia) vicina sp. n. 



Thorax broadly edged with yellow in fi'ont; wing-pattern heavy; pleural 

 i-tripe broad. 



Female. — Length, 8 mm.; wing, 7.4 min. 



Rostrum and palpi dark brownish black. Antennae black, excepting seg- 

 ments 12 and 13 which are pale yellowish white. Head brownish gray. 



Pronotum above dull light yellow. Mesonotal praescutum rich chestnut- 

 brown, in front broadly margined with dull light yellow; scutellum and middle 

 line of the scutum dull yellow; lobes of the scutum brown with a margin of 

 darker brown, most distinct on the caudal and proximal sides of the lobe; 

 scutellum at the base with a brownish spot on either side of the middle hne; 

 postnotum brownish. Pleura with the dorsal portions clear light yellow, a 

 broad black band extending from the sides of the pronotum to the base of the 

 abdomen, the dorsal margin of the stripe sharply defined, the ventral margin 

 passing into paler brownish black; an indistinct narrow dark brown stripe 

 beginning on the fore coxa, traversing the mesosternum and ending on the 

 hind coxa. Halteres dull yellow, the knob only a little darker. Legs with 

 the coxae dull yellow, more or less browned at or near the base as described 

 above; trochanters dull yellow; femora and tibiae brown, the tips of the 

 segments slightly darkened; tarsi brown. Wings light gray or subhyaline, 

 brighter, more yellowish, on the costal portion; a few large brown spots as 

 follows: at the tip of Sc, at the origin of Rs, at mid-length of Sc, along the 

 cord and outer deflection of cell ^.s^ Mi) paler grayish brown clouds in all the 

 cells, these clouds and dots large and becoming confluent. Venation as in 

 plate II, fig. 2. 



Abdominal tergites dark brown, darkest on the caudal margin; sternites 

 dull yellow. 



Habitat. — Colombia. Holotype, 9 , La Cumbre, Colombia, 

 altitude 6G00 feet, May 20, 1914. (Parish coll.) 



In ni}^ key to the species of the genus Rhipidia^^ this species 

 runs down to R. scliwarzi Alexander ^^ of the Greater Antilles 



^ 1912. andicola Alexander, Can. Ent., xliv, j). 'MYl, pi. XI, fig. h {Fur- 

 comyia) . 



i" Bull. Brookl. Ent. Soc. viii, pp. 7, 8, 1912. 



" 1912. schwarzi Alexander, Bull. Brookl. Ent. Soc, viii, p. 13, pi. I, fig. e. 



