Psychoda alternata Say

Psychoda alternata Say, 1825: 358 . Type locality: unknown (holotype probably destroyed according to Quate (1955)). Psychoda tripunctata Macquart, 1838: 81 .

Psychoda sexpunctata Phillipi, 1865: 631 .

Psychoda septempunctata Phillipi, 1865: 631

Psychoda conspicillata Hutton, 1881: 13 .

Paychoda schizura Kincaid, 1899: 32 .

Psychoda floridica Haseman, 1907: 316 .

Psychoda nocturnala Haseman, 1907: 319 .

Psychoda bengalensis Brunetti, 1908: 371 .

Psychoda albimaculata Welch, 1912: 411 .

Psychoda dakotensis Dyar, 1926: 108 .

Psychoda alternata var. marmosa Abreau, 1930: 123 . Psychoda alternata var. floridica Johannsen, 1934: 25 .

Diagnosis. antenna with 13 flagellomeres, 11th fused to 12th, 13th smaller than the others; ascoids in Y with short arms; wing with infuscation at the apices of the veins; male surstylus 1.5 times longer than the length of epandrium; gonostylus as long as gonocoxite, with short setae homogeneously distributed; paramere as wide as and ending at the same level of distiphallus; female subgenital plate in V.

Additional characters. 8 supra-ocular setae; clypeus with no conspicuous alveoli; frontoclypeal suture absent; distitarsus with apical projection; female subgenital plate with only a few setae in the internal margin of the lobes; genital chamber rounded, a little wider than long, with a posterior apodeme almost reaching the apex of the apical lobes; male gonostylus as long as gonocoxite, with an acute apex and short setae homogeneously distributed; basiphallus thin in dorsal view (slightly flattened laterally) and as long as the distiphallus.

Material examined. 1 Ƥ BRAZIL, Pará, Santarém, Chac. N. S. Nazaré, km 13, mata, 27.xi.1998, 8cdc, no collector name (INPA); 4 Ƥ BRAZIL, Bahia, Salvador, 18.xii.2005, col. F. Bravo (MZUEFS); 2 3 and 2 Ƥ same locality and collector, 15.iv.2006 (MZUEFS).

Distribution. cosmopolitan.

Comments. see comments below, under P. alternicula .