Acupalpa irwini
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Ordo: Diptera
Familia: Therevidae
Genus: Acupalpa
Name
Acupalpa irwini Winterton – Wikispecies link – ZooBank link – Pensoft Profile
- Acupalpa irwini Winterton 2000[1]: 232.
Type material
Holotype female, AUSTRALIA: Western Australia: 7.5 km WSW Lake Cronin, 32°23’S, 119°46’E, 19–26.ix.1978, T. F. Houston et al. (MEI029876) (WAM). Paratypes. AUSTRALIA: Western Australia: female, same data as holotype, (MEI029877) (WAM); male, 3 females, 53 km E Hyden nr. Emu Rock, 24–27.x.1985, R. W. Thorpe (MEI029502, 029503, 029504, 029505) (UCDC).
Diagnosis
Frons profile rounded above antenna; face projecting anteriorly; antenna black; scutum grey to black; pleuron black; wing dark banded; femora brown to black; abdomen black, segments 1–3 orange; abdominal velutum absent.
Redescription
Body length= 7.0–10.0 mm. Head. Frons wider than ocellar tubercle, profile rounded above antenna, pubescence sparse silver-grey, frontal vesiture small dark setae, surface texture verrucous; face projecting anteriorly, vestiture with dark or pale setae; gena with pale setae; parafacial glabrous or with pale setae; mouthparts elongate, projecting anteriorly; palpus brown-black, narrowly cylindrical; occiput overlain with sparse, silver-grey pubescence; antennal base raised; antennal length approximately equal to head; scape black, length approximately equal to flagellum, scape with pale setae ventrally, shorter dark setae dorsally; 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 black, overlain with silver-grey pubescence; wing markings dark banded infuscate; haltere knob brown; coxae black; femora brown to black; tibia yellow-orange, darker distally; tarsi black, basitarsi pale, dark distally. Scutal chaetotaxy: np, 4; sa, 1; pa, 1; dc, 2–3; sc, 1. Abdomen. Segments 1–3 orange, remaining segments black, silver velutum absent; terminalia dark.
Comments
Acupalpa irwini is a relatively large species differentiated by the characteristic leg and abdomen colouration. This species is known only from the type series collected in Western Australia.
Taxon Treatment
- Shaun L., W; 2011: Revision of the stiletto fly genera Acupalpa Kröber and Pipinnipons Winterton (Diptera, Therevidae, Agapophytinae) using cybertaxonomic methods, with a key to Australasian genera ZooKeys, 95: 29-79. doi
Other References
- ↑ Winterton S (2000) Phylogenetic revision of Acupalpa Kröber (Diptera: Therevidae). Insect Systematics and Evolution 31:225-240. doi:10.1163/187631200X00417
Images
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![Figure 11. Acupalpa irwini Winterton, female, anterolateral view [576251]. Body length = 9.0 mm.](/wiki/File:ZooKeys-095-029-g011.jpg)
