J. R. MALLOCH 19 



length of basal section of 3, basal section of 3 slightly longt-r ihaii sect ion 

 of four between the cross veins; outer cross vein at before end of vein 2 and 

 over half as long as section of 4 between cross veins; last section of vein 3 

 gradually' but distinctly bent forward and ending well in front of wing tip; 

 vein 4 very indistinct beyond outer cross vein, vein 5 only traceable for a 

 short distance beyond that point; costa slightly hairy on its whole length 

 but more distinctly so to end of first vein. Length, 1.5 to "J mm. 



Holotype. — j', Cartago, January 3, 1910, sweeping over mud, 

 Type No. 6029. 



Paratypes. — One male and one female with same data. 

 Leptocera (Limosina) rectangularis new species (Fig. 3.) 



Female. — Black shining. Anterior margin of frons, third antennal 

 joint; cheeks, and tibiae brownish, fore coxae, trochantei's, and bases of 

 all femora yellowish. Wings slightly fuscous. Halteres black-brown. 



Frons convex; lower orbi-tal bristle distinctly weaker than the upper, 

 both directed outward; orbits otherwise bare; central setulae strong (3-4), 

 hardly reduced in size anteriorly; antennae of moderate size; third joint 

 larger than second, rounded; second Joint with the apical bristles distinct; 

 arista hair-like, pubescent, almost twice as long as width of frons, antennae 

 divergent but standing well clear of the eyes; face produced between the 

 antennae, concave in profile, the mouth margin slightly produced; cheek 

 about one-fourth as high as eye, marginal numerous but weak, arranged ir- 

 regularly; no strong bristle on middle; vibrissa strong, incurved; eye 

 bare, distinctly higher than long. Mesonotum with only 1 distinct pair 

 of dorso-central bristles; post-humeral bristle absent; disk with about 

 14 rather irregular rows of short setulae; scutellum as in quadrisetosa. 

 Abdomen ovate, shorter than thorax. Legs moderately strong; fore tarsi 

 slightly thickened; mid tibia with a weak ventral bristle and the usual 

 dorsal bristles. Wings venation as in figure 3. Length, 2 mm. 



Holotype.— 9, Juan Vinas, May 2, 1910, forest lirook, 3300 

 feet altitude. Type No. 6030. 



Paratypes. — Cartago, January 3, 1910, sweeping over mud ( cf 

 allotype); 2, Juan . Viiias, May 2, 1910; 1, Alajuela, September 

 15, 1909. 



The allotjq^e differs from the male of the next species in having 

 the hj^iopj^gium larger and the last abdominal segment with a 

 very long hair on either side, as well as in being colored as the 

 female. 

 Leptocera (Liminosa) regularis new species 



This species is similar to rectangularis in most respects, but 

 differs in being (Hstinctly smaller (1..") to 1.75) and in the much 

 paler color of the face, antenna(\ legs and halteres, which are j'cl- 



TRANS. AM. ENT. SOC, XL. 



