Acupalpa novayamarna, Shaun L., Winterton, 2011

Shaun L., Winterton, 2011, Revision of the stiletto fly genera Acupalpa Kroeber and Pipinnipons Winterton (Diptera, Therevidae, Agapophytinae) using cybertaxonomic methods, with a key to Australasian genera, ZooKeys 95, pp. 29-79 : 49

Acupalpa novayamarna sp. n. Fig. 17

Type material.

Holotype male, AUSTRALIA: Western Australia: 25 km E New Yamarna Homestead, [-28.167°, 123.683°], 21.ix.1982, T. F. Houston, B. Hanich (WAM872128) (WAM).

Diagnosis.

Frons profile rounded to slightly concave above antenna; mouthparts short; antenna dark; scutum dark; pleuron dark dorsally, orange ventrally; wing banded; legs orange, tarsi dark distally, fore-basitarsus white; abdomen orange, segments 1-2 black medially, velutum absent.

Description.

Body length= 7.2 mm. Head. Frons wider than ocellar tubercle, profile rounded to slightly concave above antenna, pubescence absent or as silver patches along eye margin, frontal vestiture glabrous, surface texture smooth, face as narrow strip below antennal base, glabrous; gena with pale setae; parafacial overlain with silver pubescence; mouthparts relatively short (approximately equal to head length); palpus brown-black, narrowly cylindrical; occiput glabrous, glossy black; antennal base raised, antennal length approximately equal to head; scape orange-brown, length much shorter than flagellum, scape with sparse black setae; flagellum black, base of flagellum with short dark setae. Thorax. Scutum light grey to black, setal bases glossy black; scutellum overlain with dense, matt-black pubescence; pleuron orange, upper 1/3 concolourous with scutum, overlain with sparse silver-grey pubescence; wing markings banded infuscate, dark yellow basally; haltere knob orange-yellow; coxae orange; femora orange; tibia orange; tarsi yellow orange, dark distally, fore-basitarsus white. Scutal chaetotaxy: np, 4; sa, 1; pa, 1; dc, 2; sc, 1. Abdomen. Orange, segments 1-2 black medially, silver velutum absent; terminalia pale.

Comments.

This species is very similar to Acupalpa melanophaeos sp. n., but can be differentiated by the pale genal setae, larger proportion of the pleuron being orange, and male frons slightly wider. Only the male is known for this western species.

Etymology.

This species is named after the type locality of New Yamarna Homestead, Western Australia.