Myriophora flavicosta, 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 : 22-23

Myriophora flavicosta sp. nov.

(Fig. 3.7)

Diagnosis. Female. Myriophora flavicosta is one the few species that have an inflated costal vein and is distinguished from the similar M. luteitergum by having longer setae on the posterior margin of abdominal T5 and solidly brown abdominal tergites (Fig. 3.7).

Description. Female (Fig. 3.7). Body length 2.45 mm. Head: Frons yellow, with 1 pair of supra-antennal setae; supra-antennals originate above lower interfrontal setae. First flagellomere yellow, slightly pointed under arista. Palpus yellow, normal sized. Labrum prominent, enlarged. Labellum normal sized. Thorax: Scutum dusky yellow. Scutellum dusky yellow. Anterior scutellar setae about 3/4 length of posterior pair. Pleuron yellow; anepisternum with a few setulae. Forefemur yellow. Midfemur yellow. Hind femur yellow. Wing length 2.38 mm; costal vein inflated; costal length 1.58 mm; costal ratio 0.66. Knob of halter light brown. Abdomen: Tergites 1 and 2 dark brown; tergite 2 with strong, distinct setae on lateral margin. Tergite 5 dark brown; posterior setae on tergite 5 long. Tergite 6 rectangular to slightly narrowing posteriorly; posterodorsal setae on segment 6 of equal length to posteroventral setae. Venter of abdomen with sparse short setae. Oviscape strongly laterally compressed; sclerites light brown; membrane yellowish with brown striation; long setae present at apex on membrane and sclerites.

Distribution. Known from one site in Colombia.

Host. Unknown.

Etymology. A noun from Latin for "yellow costa" referring to the distinctly yellow costal vein.

Holotype. ♀, COLOMBIA: Chocó: Sendero Cocalito, PNN Utria, 6.02°N, 77.35°W, 20m, 1–5.vii.2000, B. Brown, D. Campos, Malaise trap #9 [ LACM ENT 072273] ( IAVH).