118 Journal New York Entomological Society. [Voi. xxil 



Type in the collection Acad. Nat. Sci. Phil. ; the paratype in the 

 author's collection. The shape of the thorax, from the side, is shown 

 in Fig. 10. 



Rhipidia (Arhipidia) domestica Osten Sacken. 



One male and two females from near Cartago, C. R., altitude 

 5,000 ft.; Dec. 15, '09; they were taken on the south slope of Irazu, 

 over mud. One male from Cartago, Oct. 27, '09. 



Rhipidia (Rhipidia) calverti Alexander. 



The type, a male, was taken at Bonnefil farm, Rio Surubres, C. R., 

 alt. 700 feet; Oct. 29, "09, by Dr. Calvert.^ 



Rhipidia (Rhipidia) costalis Williston. 



One very small female of this species from Rio Siquiares, Tur- 

 rucares, C. R., alt. 2,200 ft., Aug. 14, '09. This is the first representa- 

 tive of the species that I have seen and a figure of its venation is 

 herein included (Fig. 2). The basal deflection of Ch^ is at the fork 

 of M as in this group of species. 



Genus GERANOMYIA Haliday. 



Geranomyia tristis Loew. 



Two specimens, one of each sex, from Cache, C. R., j\Iar. 3, '10. 



Geranomyia sp. 



One female from Alajuela, C. R, alt. 3,100 ft., Sept. 15, '09. The 

 specimen is of a small reddish form with hyaline wings but the condi- 

 tion of the material forbids closer determination. 



Tribe Antociiini. 



Genus TEUCHOLABIS Osten Sacken. 



Teucholabis trifasciata Enderlein. 



One female of this species from Alajuela, C. R., alt. 3,100 ft., 

 Sept. 15, '09. As I have indicated in another paper, this species is the 

 same as the Limnobla bifasciata of Fabricius. 



Genus TOXORHINA Loew. 



Toxorhina centralis Alexander. 



One female from Cache, C. R., near a stagnant pool, bank of the 

 Rio Reventazon ; Mar. 10, '10. 



1 See Bull. Brook. Ent. Soc., Vol. 8, Oct. 1912, p. 8-10, fig. d and h. 



