CHARLES P. ALEXANDER 21 



at the tip; tibiae lirown soon passing into dark brown; tarsi dark brown; legs 

 densely hairy. Wings rather narrow, grayish; distinct brown clouds along 

 the cord and outer deflection of cell 1st Mi] veins dark brown. Venation as in 

 plate II, fig. 8. 



Abdominal segments dark brown, the lateral margins narrowlj^ and abruptly 

 pale; hypopygium reddish; abdomen provided with numerous long pale hairs. 



Habitat. — Ecuador, Peru. Holotype, d" , Alaousi, Ecuador, 

 altitude 9450 feet, June 17, 1914 (Parish coll.). Para type, c^, 

 Matucana, Peru, altitude 7788 feet, July 14, 1914. 



Similar to the North American T. anomala Osten Sacken-^ 

 but the thorax is much clearer graj', the head gray instead of 

 brownish, the wings gray instead of brown, the cell 1st M^ 

 smaller and the veins issuing from it much longer. I would have 

 identified this with the Limnophila trichopus Philippi,-^ but the 

 latter is described as having five posterior cells to the wings. 



Genus GNOPHOMYIA (^sten Sacken 

 Gnophomyia pervieax Alexander 

 1914. Gnophomyia perncax Alexander, Ent. News, xxv, p. 208, pi. IX, fig. 7. 



One female from La Cumbre, Colombia, altitude 6600 feet, 

 May 18, 1914, collected by Parish. 



Tribe Litn nophiUni 

 Genus EPIPHRAGMA Osten Sacken 

 Epiphragma gracilicornis sp. n. 



Wings diversified, not ])anded; antennae elongated. 



Female. — Length, 11 mm.; wing, 11.2 mm.; antennae about 3.8 mm. 



Rostrum and palpi dark brownish black. Antennae very long and slender, 

 in this sex, if bent backward, extending about to the base of the abdomen; 

 segments 1 and 2 black, segment 3 yellow with a brown ring about mid-length; 

 segments 4 and 5 dark brown with the apical fourth to third dull yellow; 

 remaining segments dark brown with the extreme tip slightly i)aler. Front 

 very narrow between the eyes, head tlark gray. 



Pronotal scutum dull yellow with a brown cross-band about mid-length; 

 scutellum dull yellow. Mesonotal praescutum rich chestnut with darker mark- 

 ings as follows: the extreme cephaUc margin is brown and sends back a nar- 

 row median point to almost mid-length of the segment ; lateral margin behind 

 broadly dark Ijrowii, at the pseudosutural fovea sending a short point proxi- 

 mad; a large quadrate spot on either side of the middle line on the posterior 

 end of the sclerite just before the caudal margin; caudal margin of the praes- 



-^ 18G1. anomala Osten Sacken, Proc. Acad. Nat. Sci. Phila., p. 290. 



23 18(i5. triclwpm Phihppi, Verh. k.-k. zool.-bot. Ges. Wein, xv, p. 610, 



(Limnopliila). 



TRANS. AM. ENT. SOC, XLII. 



