J.RT. 7 AMEEICAN" MUSCOID FLIES K^T VEENN'A MUSEUM ^ALDEICH 27 



Length, 16 mm., the same in both. 



Macquart's figure of quadrimaculata shows the arista plumose, 

 whereas it is merely pubescent on the basal half, bare apically; his 

 text, however, calls it tomentose. 



104. EUANTHA LITURATA Olivier 



Ocyptera liturata Olivier, Encycl. Methodique, Hist. Nat., vol. 8, p. 423. 



Dexia dives Wiedemann, Auss. Zweifl., vol. 2, 1830, p. 377. 



^ericocera pictipennis Macquakt, Dipt. Exot., pt. 2 (3), 1843, p. 67, pi. 7, 



fig. 5. 

 Utiantha dives Van deb Wxjlp, Tijdsch. v. Ent., vol. 28, 1885, p. 198 ; Biologiii 



Dipt., vol. 2, 1891, p. 248. — Bkauer and Beegenstamm, Denk. Wien. Akad. 



Wiss., vol. 56, 1889, p. 137; vol. 60, 1893, p. 128.— Townsend, Ann. Mag. 



Nat. Hist., vol. 19, 1897, p. 34. 

 Encmtha pulchra Van dee Wulp, Biologia, Dipt., vol. 2, 1891, p. 249. 

 Euantha liturata Coquiixett, Revis. Tachin., 1897, p. 86. — Howard, Ins. 



Book, 1902, p. 162.— Johnson, Psyche, vol. 19, 1912, p. 103. 



One male, one female, both labeled " S. America, Coll. Winthem " 

 ■and " dives Wd. Type BB." They agree with the description and are 

 old specimens, but in good condition; presumably they are from the 

 «ame period if not actually types. They agree with Van der Wulp's 

 figure in Biologia except that he has the vibrissae too high up. 

 There is a distinct costal spine, as noted by Townsend. The Na- 

 tional Museum has ten specimens of both sexes, from Guatemala 

 (Aldrich), Vera Cruz (Townsend), Florida, and Colorado, the last 

 identified by Brauer and Bergenstamm. Coquillett made dives a 

 synonym of liturata Olivier, which I believe on examining the orig- 

 inal description is no doubt correct. 



The female has the front shining, precisely as Van der Wulp indi- 

 cates for his species 'pvZchrct; apparently he mistook some males of 

 dives as females, as he says in this species the female does not have 

 orbitals as it does in pulchra. It therefore seems certain that 

 jmlchra is a synonym. Dives is the genotype of Euamtha. 



105. EUANTHA AUCTA Wiedemann 



Dewia aucta Wiedemann, Auss. Zvpeifl., vol. 2, 1830, p. 377. 

 Euantha aucta Brauer and Bergenstamm, Denk. Wien. Akad. Wiss., vol. 

 58, 1891, p. 405. 



One female, labeled " Brazilia," " Coll. Winthem," and " Euantha 

 aucta Wd." It agrees precisely with the description. 



The species differs from liturata in having no yellow in wings, gen- 

 eral darker color, and legs black except at bases of femora. The 

 front of the female is wholly poUinose except a small area including 

 the bases of the orbital bristles. As Wiedemann says, the pollen of 

 the bands on the base of second and third abdominal segments does 

 not extend down the sides. The National Museum has two females 



