112 Journal New York Entomological Society. [Vol. xx. 



Type, TD350 (fly and slide of eggs and maggots). 

 This species is type of both genus and tribe EuzenilHini. 



Epidexia filamentosa, new genus and new species. 



TD747 — Ann. E. S. Am., Vol. IV, p. 146. 



Various specimens taken on flowers and leaves of the dwarf 

 Ernodea littoralis at Ocean Beach, across Biscayne Bay from Miami, 

 Fla., Nov. 9 to 15, 1908. This is a small form, obscurely colored but 

 with yellowish legs, of Pseudodexiine habitus and facialia ciliate ; its 

 full external adult characters will be given later. The eggs are micro- 

 type, flattened-subovate, black, chorion smooth and without either 

 punctulation or reticulation. In all the balsam mounts of the eggs 

 translucent filament-like and loop-like pendants are seen attached to 

 the ventral surface. These are probably very delicate membranous 

 appendages of the chorion whose function is to attach the egg more 

 firmly to the leaf-surface. The uterus is very long and slender, and 

 has a capacity of several thousands. The egg and chorion are shown 

 in Figs. 126 to 130 of Contr. Th. Knowl. Muse. Flies. 



Type, TD747 (fly, slides of eggs and dissection of uterus). 



Described from TD747, 915, etc. 



This species is type of the genus and also of the tribe Epidexiini. 



Euceromasia spinosa, new genus and new species. 



TD390— Ann. E. S. Am., Vol. IV, p. 146. 



One female. North Andover, Mass., August 21, 1908, collected by 

 Mr. D. H. demons. This small fly has been determined by Mr. W. R. 

 Thompson as Masiccra near pauciscta. It has discal and marginal 

 abdominal bristles, and Ensisyropa-WkQ abdomen and venation. The 

 uterus was extremely long and coiled, and contained a thousand or 

 more microtype eggs The egg is flattened and perfectly ovate, like a 

 miniature egg of Exorista but golden or yellow in color. The yellow 

 chorion appears thick, is reticulate in nearly perfect hexagons, and 

 the periphery is sparsely set with erect short spines or pointed 

 elongations of the chitin which appear in profile under a high power 

 like sharp protruding spikes driven through the chorion from below. 

 This type of chorion is wholly distinct from any other so far known in 

 the Masiceratidae or elsewhere in the Muscoidea. The structure and 

 spines of egg-chorion are shown in Figs. 147 and 148 of Contr. Th. 

 Knowl. Muse. Flies. 



