156 PROCEEDINGS ENTOMOLOGICAL SOCIETY 



pairs dark and prominent. Fore wings rounded at tip; six cross-veins 

 from radial sector to median, nine branches beyond; about eight vein- 

 lets in each gradate series; the second cubital cell much shorter than 

 the third; the divisory veinlet cuts off a large cell; hind wings slender, 

 acute at tips. 

 Expanse, 33 mm. 



From Canon del Monte Tolima, Colombia, 1,700 meters, 

 December (Fassl). 



Family HEMEROBIID^. 



Micromus falcatus, new species. 



Head pale, antennas pale brownish; pronotum, thorax, and abdo- 

 men brown; legs pale, banded with dark; femora I with three bands, 

 femora II and III with two, one near middle, one near tip; all tibiae 

 with two bands, one near base, other near tip; in I and II the basal 

 band is very broad; tarsi dark at tip. Wings rather dark brown, es- 

 pecially in the anal area; venation pale, marked with brown much as 

 in M. dispar, but more prominent dark spot beneath tip of stigma and 

 on the end of the anal vein; outer gradates narrowly edged with hya- 

 line, other gradates hyaline in middle. Hind wings brownish, darker 

 at tip, pale venation, outer gradates black. Fore wings slender, dis- 

 tinctly subfalcate at tip, five radial sectors, outer one forked three 

 times before outer gradate series, three gradate series, five in inner 

 row, seven in middle row, widely separated one from the other, and 

 about ten or eleven in the outer row. Hind wings with radial sector 

 six or seven branched; eight veinlets in the inner gradate series and 

 ten in the outer row. 



Expanse, 25 mm. 



From Monte Socorro, Colombia, 3,000 meters, July (Fassl). 

 Micromus dispar, new species. 



Yellowish, a dark dot on each side of face, antennas brownish; legs 

 pale, front and middle pair with blackish bands near tip of femora, 

 base and tip of tibiae, and tip of tarsi; abdomen brown. Wings faintly 

 brown, with pale venation, interrupted with brown dots, especially 

 prominent on the radius, cubitus, outer gradate series, and each side 

 of the stigma, margin with patches of dark veins, on hind margin far 

 apart; most of the gradate veinlets have a white dot on the middle. 

 Hind wings pale, venation pale, gradates dark, stigma slightly prom- 

 inent. Fore wings long, tip rounded, five radial sectors, outer one 

 forked three times before outer gradate series ; three gradate series, 

 five veinlets in the inner, six in the middle, and nine in outer series; 

 hind wings with radial sector with six branches; two gradate series, 

 seven in inner and nine in outer series. 



Expanse, 25 mm. 



From Monte Socorro, Colombia, 3,500 meters, July. 



