72 SMITHSONIAN MISCELLANEOUS COLLECTIONS VOL. 5 1 



Phosocephala metallica, sp. nov. 



One female, Tucurrique, Costa Rica, collected by Messrs. Schild 

 and Burgdorf. 



Length of body, 8 mm. ; of wing, 6 mm. Head entirely pale yel- 

 lowish, face and cheeks with a faint silvery bloom ; parafrontals, 

 frontalia, and two basal antennal joints unicolorous with a faint 

 brownish tinge ; third antennal joint, arista and proboscis pale yel- 

 lowish brown ; eyes dark purplish brown. Thorax, scutellum, and 

 abdomen shining metallic dark purplish, the abdomen hardly more 

 of a purplish black, humeri yellowish; presutural part of mesonotum 

 deep golden pruinose, through which run only two linear vitta?, the 

 pruinose covering thickest on sides and in front, extending back- 

 ward behind suture very faintly on sides of mesonotum ; scutellum 

 faintly silvery pruinose; metanotum faintly silvery, pleura? silvery 

 gray ; abdomen very faintly silvery, not obscuring the metallic sheen, 

 most noticeable on bases of segments, particularly second segment, 

 least so on anal segment. Wings distinctly smoky throughout, a 

 little more so on costal border, extreme base of costa narrowly yel- 

 lowish. Tegulae appearing almost white in some lights, but with a 

 smoky yellowish tinge, much whiter than the wings, halteres pale 

 yellowish. Legs brownish yellow, tarsi hardly darker, but appear- 

 ing blackish from the many short black bristles, coxse lighter yel- 

 lowish. 



Type.— Cat. No. 10,902, U. S. X. M. 



Paranaphora diademoides, gen. nov. et sp. nov. 



This new genus and species are proposed for Ervia triquetra of 

 Mr. Coquillett's Revision of the Tachinidse (1897), page 66. The 

 species is not to be identified with Olivier's Ocyptcra triquetra, 

 which is probably an Aphria. It does not fit Robineau-Desvoidy's 

 Ervia triquetra, nor does it belong to his genus Ervia. The species 

 looks some like Stomatodexia diadema, from which it may be at 

 once known by the bare arista, the very elongate second antennal 

 joint, and the atrophied palpi. 



PARANAPHORA, gen. nov. 



The salient characters of the genus are the elongate second an- 

 tennal joint and the atrophied palpi, as just mentioned. Front at 

 vertex one-third width of head in female, one-fourth in male. Palpi 

 extremely small, cylindrical, like a minute grass seed, with a long, 

 delicate apical hair. Apical cell narrowly open a little before wing- 

 tip, sometimes almost closed in margin. Bend of fourth vein angu- 



