12 SOUTH AMERICAN TIPULIDAE 
with the lobes deep reddish brown, the middle portion of the scutum and the 
scutellum with a pale whitish bloom; postnotum reddish with a very narrow 
brown median stripe, this latter sometimes indistinct. Pleura reddish brown 
with a sparse grayish bloom on the dorsal sclerites. Halteres pale, the knobs 
dark brown. Legs with the coxae and trochanters dull yellowish, the margins 
of the trochanters and the bases of the femora black; femora pale yellowish 
brown, the tip broadly yellowish and including a rather broad subapical dark 
brown annulus; tibiae and tarsi dark brown. Wings with a pale grayish tinge, 
the costal cell more yellowish; large rounded brown markings or clouds as 
follows: mid-length of Sc, at the origin of Rs, at the tip of Sc, at the stigma, at 
the tip of R0+3] brown seams to the cord and outer end of cell Isl M^; veins 
brown excepting R between the dark markings where it is golden-yellow. 
Venation: (see plate II, fig. 6) Sc long, extending about two-thirds the length 
of Rs; Sci at the tip of Sci] Rs long, about four times the length of the basal 
deflection of E4+5; cell M M2 long and narrow, as long as the veins issuing from 
it. 
Abdominal tergites dark lirown; sternites, especially the basal ones, paler, 
more yellowish. 
Habitat. — Peru. Holotype, 9 , Matucana, Peru, altitude 
7800 feet, April 22, 1913 (C. H. T. Townsend coll.). Paratypes, 
3 cf , topotypic. 
The insect was found in caves in the day-time. 
The species is not closely related to any of the described forms 
and requires no comparison with any of them. 
Geranomyia scolopax Alexander 
191.3. Geranomyia scolopax Alexander, Entom. News, xxiv, p. 408. 
One male from Huigra, Ecuador, altitude 4500 feet, June 19, 
1914, agrees with the type in all of the essential characters, differ- 
ing as follows: femora with the tips rather broadly yellowish; 
wings with the dark markings larger, more conspicuous; venation 
(see plate II, fig. 5), basal deflection of Cui before the fork of M. 
Geranomyia glauca sp. n. 
Light green, thoracic stripes rather indistinct except on the sides of the 
praescutum; femora with two brown bands; wings spotted with brown. 
Male. — Length, excluding the rostrum, 6.1 mm.; wing, 6.6 mm.; rostrum, 
3. mm. 
Rostrum black, the lobes paler toward the tip. Antennae dark brownish 
black, extending to about one-half the length of the rostrum. Head brownish 
gray. 
Mesonotal praescutum pale yellowish green with indistinct brownish stripes; 
the middle stripe is broad but is represented only by two dark lines on the 
caudal portion of the sclerite near the transverse suture; lateral stripes a little 
more distinct; scutum yellowish green with the lobes conspicuously dark brown; 
