Myriophora perpendicularis sp. nov.

(Figs 7.2, 19.4)

Diagnosis. Female. The oviscape of M. perpendicularis looks most similar to M. smithi, but differs by the shape of the sternite (Fig. 19.4) and the lack of the large, distinct seta on the anepisternum.

Description. Female (Fig. 7.2). Body length 1.79 mm. Head: Frons dusky yellow, with 2 pairs of supraantennal setae; length of lower supra-antennal setae greater than 1/2 length of upper pair; upper supra-antennals originate even with lower interfrontal setae. First flagellomere yellow-brown, rounded under arista. Palpus yellow, normal sized. Labrum normal sized. Labellum normal sized. Thorax: Scutum yellow. Scutellum yellow. Anterior scutellar setae about 3/4 length of posterior pair. Pleuron yellow; anepisternum with many setulae. Forefemur yellow. Midfemur yellow. Hind femur dusky with brown patch distally on anterior surface. Wing length 2.17 mm; costal vein normal; costal length 1.19 mm; costal ratio 0.55. Knob of halter brown. Abdomen: Tergites 1 and 2 brown; tergite 2 with strong, distinct setae on lateral margin. Tergite 5 brown; posterior setae on tergite 5 short. Tergite 6 rectangular to slightly narrowing posteriorly; posterodorsal setae on segment 6 shorter than posteroventral setae. Venter of abdomen with sparse short setae. Oviscape (Fig. 19.4) sclerites reddish-brown; membrane lightly colored with conspicuous brown striations that are dorsoventrally directed in the basal 1/5 and longitudinally directed afterward.

Distribution. Known from one site in Honduras.

Host. Unknown.

Etymology. A noun from Latin for "perpendicular" referring to the roughly 90° angled turn the oviscape membrane striations take from anterior to posterior end.

Holotype. ♀, HONDURAS: Franciso Morazan: Cerro Uyuca, San Antonio de Oriente, 14.03°N, 87.07°W, 1800m, 13.i.1995, R. Cordero, Malaise trap [LACM ENT 052572].