J. n. MALLOCH 23 



altitude, 1 specimen; Rio Siquiares, Turru(;are.s, December 19, 

 1909, 1 specimen; Juan Viiias, May 3, 1910, near brook, forest 

 edge, 2500 feet altitude, 1 specimen. 



These specimens run rather larger in size than the type in 

 Washington but are evidentl}^ the same species. Originally de- 

 scribed from Panama. 



Leptocera (Liniosina) breviseta new species (Fig. 2.) 



Male. — Black, slightly shining. Frons, except on the stripes where the 

 bristles are situated, grayish poUinose; face and cheeks gray poUinose. 

 Mesonotum covered lightly with grayish pollen and generally with indica- 

 tions of a black (bare) central stripe; pleura opaque, black. Abdomen 

 opaque black. Legs black, or with the bases of the tarsi brownish. Wings 

 (■lear, veins brown. Halteres clear yellow. 



Frons slightly convex; besides the 2 strong orbital bristles there are 2 or 

 3 setulae on inner margin of orbits; the central bristles are strong, distinctly 

 lengthening towards anterior margin; antennae of moderate size, standing 

 well clear of the eyes; arista pubescent, in length not exceeding the width 

 of frons at vertex; face keeled, slightly concave in i)rofile; labnun })rotrud- 

 ing; cheek over one-third the height of eye; buccal bristle long and strong, 

 upcurved; vibrissa strong; eye as high as long. Mesonotum with the post- 

 humeral bristle very strong, incurved; 3 pairs of dorso-centrals present; 

 discal setulae numerous, acrostichals stronger than other setulae from near 

 to anterior margin; pleura and scutellum as in m-nigrum. Abdomen 

 shorter than thorax, ovate, flattened on dorsum, the second segment much 

 elongated; hypopygium normal; apical segments of abdomen with several 

 post-marginal bristles on lateral margins. Legs normal; mid tibia with 

 dorsal bristles strong; 2 ventral bristles present, 1 near to middle, the other 

 stronger at apex. Wing with venation as in figure 2; last section of third 

 vein bend distinctly forward as in fonJinalis Fallen. Length, 3 mm. 



Holotijpe. — d", Cartago, November 21, 1909, by sweeping oven- 

 mud. Type No. 6035. 



Paratijpes. — Same locality as type, 2 specimens same dat(>, and 

 1 specimen dated Fel^ruary 19, 1910. 



Leptocera (Limosina) ni-nigrum Malloch , 



1912. Limosina m-nigrum Malloch, Smiths. Miss. Coll. lix, Xo. 17, 7. 

 There are specimens of this species amongst the Costa Rican 

 material from the following localities: Filadelfia, muddy beach 

 of Rio Tempisque, January 18, 1910, 14 specimens; Cartago, from 

 October 10, 1909, to February 19, 1910, 05 specimens; Peralta 

 Station, August 10, 1909, I specimen; 1 specimen from Alajuela, 

 September 9, 1909; La C^nr])intera, Dec(>ml)er 4, 1909, .3 specimens; 



TRANS. AM. KNT. SOC, XI>. 



