Myriophora browni, Hash, John M. & Brown, Brian V., 2015

Hash, John M. & Brown, Brian V., 2015, Revision of the New World Species of the Millipede-Parasitic Genus Myriophora Brown (Diptera: Phoridae), Zootaxa 4035 (1), pp. 1-79 : 16

Myriophora browni sp. nov. Hash

(Figs 2.5, 10.2, 16.1)

Diagnosis. Female. This species is recognized by the narrow gap that widens apically between sclerites on the lateral face of the oviscape (Fig. 16.1) and the presence of setae on the posterolateral margins of abdominal segments 3, 4, and 5.

Description. Female (Fig. 2.5). Body length 2.52 mm. Head: Frons yellow, with 1 pair of supra-antennal setae; supra-antennals originate above lower interfrontal setae. First flagellomere yellow, rounded under arista. Palpus yellow, normal sized. Labrum normal sized. Labellum normal sized. Thorax: Scutum yellow. Scutellum yellow. Anterior scutellar setae near equal in length to posterior pair. Pleuron dusky yellow; anepisternum with a few setulae. Forefemur yellow. Midfemur yellow. Hind femur yellow. Wing length 2.1 mm (Fig. 10.2); costal vein normal; costal length 1.37 mm; costal ratio 0.65. Knob of halter dusky yellow. Abdomen: Tergites 1 and 2 dusky yellow; tergite 2 with strong, distinct setae on lateral margin. Tergite 5 dusky yellow; posterior setae on tergite 5 short. Tergite 6 greatly narrowed posteriorly; posterodorsal setae on segment 6 shorter than posteroventral setae. Venter of abdomen with sparse short setae. Oviscape (Fig. 16.1) strongly laterally compressed, with sclerites extending across much of the lateral face; sternite yellow-brown and tapering in depth toward apex; tergite yellowbrown and tapering toward apex.

Distribution. Known from one site in Peru.

Host. Unknown.

Etymology. Named for the collector of the only known specimen, Dr. Brian Brown, and in recognition of years of guidance and friendship.

Holotype. ♀, PERU: Madre de Dios: Pakitza, 11.94°S, 71.28°W, 356m, 7.iii.1992, B. Brown, D. Feener, blacklight trap [ LACM ENT 041543].