97 
With three sternopleural macrochsetae 18. 
Witli only two sternopleural macrocha'ta', hind tibia' outwardly 
ciliate, arista thickened on the basal third 16. 
15. Palpi black, front in the male three-fourths, in the female one and 
one-sixth times, as wide as either eye; third joint of antenna' 
in the male live, in the female three, times as long as the second ; 
length, 5 to 7 mm. White Mountains and Franconia, X. H.; 
Beverly, Mass.; District of Columbia; Shreveport, La.; Las 
Cruces, N. Mex. ; Tucson, Ariz.; California, and Austria. Two 
males and one female from Austria, received from Brauer and 
Bergenstamm, and by them named Parexorista confinis Fall. 
(DipteraSueci8e,Muscid3e ? p.32; 1820: Tachina. The following- 
synonymy is given by Kondaniand repeated 1 >y Schiner : Phryxe 
zonata Desvoidy, Essai sur les My odaires, p. 159 ; 1830. The fol- 
lowing is by Schiner : Phryxe servillii Desvoidy, 1. c. and Phryxe 
sabulosa Desvoidy, 1. c. The following is by the writer : Tachina 
theclarum Scudder, Canadian Entomologist, Vol. XIX, p. 100; 
September, 1887. Exorista chrysophani Townsend, 1 Entomo- 
logical News, Vol. II, p. 197; December. 1S01.) . . .confinis Fall. 
Palpi yellow, front in the male two-thirds, in the female three- 
fourths, the width of either eye; third joint of antenna- in each 
sex four times as long as the second; black, the palpi and 
scutellum, except at base, yellow; sides of front bearing scat- 
tered, rather short, hairs; two pairs of orbital bristles in the 
female, none in the male: antennae nearly as long as the face, 
arista thickened almost to the middle, cheeks one-sixth as wide 
as the eye height, facial ridges bristly on the lowest fourth to 
half; thorax gray pollinose, marked with four black vitta\ 
scutellum bearing two long and two short pairs of marginal 
macrocha'ta 1 , abdomen on the last three segments gray polli- 
nose except the apex of each, the hairs depressed; wings hya- 
line, base of third vein bearing two bristles, calypteres white; 
front pulvilli of male slightly longer than the last tarsal joint; 
length, 5.5 to 8 mm. Maryland, District of Columbia, and 
Virginia. Two males and five females. Type No. 3595, IT. S. 
National Museum lobelia' n. sp. 
16. With four postsutural macrocha'ta' 17. 
With only three postsutural macrocha'ta', middle tibia' each bear- 
ing a single macroclneta on the front side near the middle; 
black, the palpi, scutellum, femora, and tibia' jellow; front in 
female two-thirds the width of either eye, the sides bearing 
numerous rather short hairs, two pairs of orbital bristles in the 
female, frontal bristles descending nearly to apex of second 
joint of antenna 1 , cheeks scarcely one-tenth as broad as the 
1 Mr. Townsend has admitted the synonymy of chrysophani and theclarum in Trans. 
Anier. Ent. Soc, Vol. XXII, p. 75: 1895. 
3359 7 
