105 
third joint of antennae in the male six, in the female four, times 
as long as the second, apical cell closed; length, 8 to 9 mm. 
Alameda County, Oal. (In Scudder's Butterflies of New Eng- 
land, Vol. Ill, p. 1922; 1889.)- - - - saundersii Will. 
Sides of face below the frontal bristles bristly two-fifths of the dis- 
tance to the vibrissa', arista thickened on the basal third, the 
penultimate joint only slightly longer than wide; black, the 
palpi, apex of scutellum, front corners of the second segment of 
the abdomen, tibiae, and sometimes base of antenna', yellowish; 
front in male scarcely wider than, in the female one and one- 
fourth times as wide as, either eye, two pairs of orbital bristles 
in the female, none in the male, frontal bristles descending to 
the arista, cheeks nearly one half as wide as the eye-height, 
antenna' about as long as the face, the third joint six times as 
long as the second; thorax gray pollinose, marked with four 
black vitta', scutellum bearing four pairs of marginal macro- 
clueta' ; abdomen wholly gray pollinose and with reflecting darker 
spots; wings hyaline, base of third vein bearing three bris- 
tles, fourth vein beyond the bend distinctly arcuate, calypteres 
white; length, 7 to 10 mm. San Diego, Tex. A specimen of 
each sex collected April 30, 1895, by Mr. E. A. Schwarz. Type 
Xo. 3606, r. S. National Museum facialis n. sp. 
Unrecognized species. — Z\ ? (Tachina) antennata Walker ; IT. S. P.? 
(Tachina) melobosis Walker. (Syn. Tachina addita Walker.) 
Genus FRONTINA Meig. 
Frontina Meigen, Systematise-lie Besch. Eur..Zweif. Insekten, Vol. VII, p. 2-17; 1*38. 
Prosopea Rondani, Dipterologise Italic;!' Prodromus, Vol. IV, p. 36; 1861. 
Achatoneura Brauer and Bergenstaram, Zweif. Kais. Mus. Wien, V, p. 334: 1891. 
Thysanomyia Brauer and Bergenstamm, loc. cit., p. 340. 
Parafrontina Brauer and Bergenstamm, loc. cit., VI, p. 115: 1893. 
Brauer and Bergenstamm place Prosopea, Achaetoneura, and Para- 
frontina as subgenera of Frontina; 1 and although they idace Thysa- 
nomyia in a different section, it can not be generically separated from 
Frontina. 2 Four Austrian specimens of Frontina laeta Meig., the type 
species of this genus, received from and identified by Brauer and Ber- 
genstamm, have the hind tibiae outwardly filiate, as in our species. 
The latter have the palpi yellow, and from two to four bristles on the 
base of the third vein : 
1. With four sternopleural macrocha'ta^, scutellum largely yellow and 
bearing three or four pairs of long marginal and a short apical 
1 Zweif. Kais. Mus. Wien, VI, p. 212; 1893. 
2 Of two specimens of Frontina aletice sent by Dr. Riley to Brauer and I>ergen- 
stamm, one was referred, by them to Prosopea aud tbo otber to Tbysanoniyia; of 
tbree specimens of Frontina archippivora, one was by them referred to Parafrontina 
and two to Acha>tonenra, and of fifteen specimens of Frontina frenchii, they referred 
one to Hemimasicera, two to Prosopea, and twelve to Achtetonenra. 
