97 



With three steriiopleural macrochiettc 18. 



With only two steriiopleural niacrooha'tie, hind tibia' outwardly 

 ciliate, arista thickened on tlie basal third 10. 



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 anteuuie 

 in the male ii ve, in the female three, times as long- as the second ; 

 length, 5 to 7 mm. White Mountains and Frauconia, X. II. ; 

 Beverly, Mass.; District of Columbia; Shreveport, La.; Las 

 Cruces, 2^. Mex. ; Tucson, Ariz.; California, and Austria. Two 

 males and one female from Austria, received from IJrauer and 

 Bergenstamm, and by them named Parexorisia conjinis Fall. 

 (Diptera Suecia^,Muscida%i).3li; 1820: Tachina. The following- 

 synonymy is gi veil by Kondani and repeated by Scliiner : Pit ryxe 

 zonata Desvoidy, Essai sur les Myodaires, p. 159 ; 1830. The fol- 

 lowing is by Scliiner : Phryie serrillil Desvoidy, 1. c, and Phryxe 

 sahulosa Desvoidy, 1. c. The following is by the writer : Tachina 

 ilieclarnm Scudder, Canadian Entomologist, Vol, XIX, p. IGG; 

 September, 1887. Exorista ehrysophani Townseud,^ Entomo- 

 logical News, Vol. II, p. 197; December, 1891.) . . .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; antennte 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 vittte, 

 scutellum bearing- two long and two short pairs of marginal 

 uiacrochiL'ta', abdomen on the last three segments gray polli- 

 nose excei)t 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. Tyjie Xo. 3595, U. S. 

 Xational Museum lobelia' n. sp. 



16. With four postsutnral macroclni'ta^ 17. 



With only three postsutnral macroclneta?, middle tibi;e each bear- 

 ing a single macrocha'ta on the front side near the middle; 

 black, the x>{ilpi9 scutellum, femora, and tibia^. jellow; front in 

 female two-thirds the width of cither eye, the sides bearing- 

 numerous rather short hairs, two jiairs of orbital bristles in the 

 female, frontal bristles descending nearly to apex of second 

 joint of anteniiic, cheeks scarcely one-tenth as broad as the 



1 Mr. Townsend has admitted the sj'uouyiny of chrysophani and theclarum in Trans. 

 Amer. Ent. Soc, Vol. XXII, p. 75: 1895. 

 3359 7 



