J. R. MALLOCH 21 



Paratypes. — Icf l9, same data as holot^iDe; Id", Cartago, 

 December 4, 1909; 1 9, Cartago, January 3, 1910, and 1 cf, same 

 locality, October 10, 1909; 1 specimen, Cartago, November 21, 

 1909; 2, Cartago, February 19, 1910. 



Leptocera (Limosina) inaequalis, new species 



Male. — Brown, opaque, only the hypopygiuin shining. Face, cheeks, 

 antennae, pleural sutures, and legs reddish yellow, more or less obscured 

 with brown. Wings clear, costal vein black, the others pale brown. Halt- 

 eres yellow. 



Frons almost identical to that of hiseclci; antennae as in that species; 

 arista pubescent, about If as long as width of frons; face concave; cheek 

 increasing much in height posteriorly; buccal bristle distinct, marginal 

 hairs very weak, vibrissa strong. Mesonotum with 3 pairs of dorso-centrals, 

 the anterior 2 pairs weak; post-humeral bristle absent; discal setulae as in 

 bisecta, numerous and of moderate strength; sternopleural bristle as in 

 that species; scutellum with 4 bristles. Hypopygium smaller than in bi- 

 secta and without anj^ projecting ventral appendages. Fore tarsus with 

 the 3 apical joints about as broad as long, the whole tarsus slightly flat- 

 tened; hind tarsus stout, the basal joint much dilated; bristles as in bisecta. 

 Wing with second costal division about H times as long as third; second 

 vein joining costa at a very acute angle; costa ending abruptly at third 

 vein; basal section of third vein slightly longer than penultimate section 

 of fourth, outer cross vein about two-thirds as long as the latter, and at 

 slightly beyond middle of last section of second vein; veins 4 and o distinct 

 for a short distance beyond outer cross vein, the former traceable to wing 

 margin; vein 3 almost straight on its last section, but with a distinct up- 

 ward inflection and ending distinctly before wing tip; costa with short 

 hairs to end of first vein. Length, 1.25 mm. 



Holotype. — a", Cartago, October 10, 1909, swept over mud. 

 Type No. 6033. 



Paratype. — Cartago, January 3, 1910, swept over mud. 



Leptocera (Limosina) fontinalis Fallen 



1S26. Copromyza fontinalis Fallen, Dipt. Suec, Sup|)l. II, 16. 



This species is represented in the material by specimens from 

 the following localities: Cartago, October 27, 1909 to February' 

 19, 1910, 23 specimens; Cachi, March 9-10, 3 specimens; near 

 Lsich-o, August 21, 1909, 1 specimen; La Carpintera, December 4, 

 1910, 1 specimen. 



The species is very widely distributed both in the old and in the 

 new world and is generally met with near to marshy j^laces or 

 amongst decaying vegetation or manure. 



TRANS. AM. ENT. SOC, XL. 



