8 SOUTH AMERICAN TIPULIDAE 
the length of Sci] basal deflection of Cui 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, cf, Matucana, Peru, altitude 
7788 feet, July 14, 1914. (Parish coll.) Allotype, 9 , topotypic, 
Paratype, 9 , topotypic. 
This species conies closest to D. andtcola 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 front; wing-pattern heavy; pleural 
fctripe broad. 
Female. — Length, 8 mm.; wing, 7.4 mm. 
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 line; 
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 subhyaUne, 
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 1st 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 6600 feet. May 20, 1914. (Parish coll.) 
In my key to the species of the genus Rhipidia^'^ this species 
runs down to R. schwarzi Alexander ^^ of the Greater Antilles 
3 1912. atidicola Alexander, Can. Ent., xliv, p. 362, pi. XI, fig. h {Fur- 
conujia). 
10 Bull. Brookl. Ent. Soc. viii, pp. 7, 8, 1912. 
11 1912. schwarzi Alexander, Bull. Brookl. Ent. Soc, viii, p. 13, pi. I, fig. e. 
