Dolichocolon angoramensis, Cerretti & Shima, 2011

Cerretti, Pierfilippo & Shima, Hiroshi, 2011, World revision of Dolichocolon Brauer & Bergenstamm (Diptera: Tachinidae: Exoristinae: Goniini), Zoological Journal of the Linnean Society 162 (3), pp. 544-584 : 552-553

publication ID	https://doi.org/ 10.1111/j.1096-3642.2010.00689.x
DOI	https://doi.org/10.5281/zenodo.10545780
persistent identifier	https://treatment.plazi.org/id/03A887E7-CC03-FFF5-FF75-82E39977F961
treatment provided by	Valdenar
scientific name	Dolichocolon angoramensis
status	sp. nov.

Treatment

DOLICHOCOLON ANGORAMENSIS SP. NOV.

( FIG. 3A–G View Figure 3 )

Type material: Holotype ♂: [ Papua New Guinea] Angoram , Sepik [4°03′S 144°03′E]/Riv. [= river], N. Guinea/ October 1959 / R. Pullen [ ANIC] GoogleMaps . Paratype ♂, Angoram, New Guinea, S.H. Christian [identified as Dolichocolon sp. by B. K. Cantrell] [ ANIC] .

Etymology: From the type locality Angoram ( Papua New Guinea) and should be treated as a Latin adjective.

Description: Body length: 10.5-11.1 mm. Coloration and pruinescence: Gena and parafacial yellowish-red, fronto-orbital plate dark brown, occiput black; head covered with whitish and yellowish pruinescence. Palpus mainly yellowish. Scape and pedicel yellow. Thorax mainly black; posterior 1/3 to 1/2 of scutellum reddish-yellow; scutum with five presutural dark vittae ( Fig. 3B View Figure 3 ), lateral vitta distinctly outlined and ending wedge-shaped beside posthumeral seta. Legs black. Tegula and basicosta black or dark brown. Abdomen entirely black (holotype) or slightly reddish on sides of tergite 3; tergite 3 with a transverse band of whitish-grey pruinescence on anterior 1/2 (side)– 2/3 (mid-dorsal), tergite 4 pruinose on anterior 2/3; tergite 5 on anterior 2/3-4/5.

Head ( Fig. 3A View Figure 3 ): Compound eye bare. Second aristomere about 7.5 times as long as wide. Thickened part of third aristomere about 0.8 times as long as second aristomere. Postpedicel seven times as long as pedicel. Vertex at its narrowest point 1.1 times as wide as compound eye in dorsal view. Lateral vertical seta not or slightly differentiated from postocular setae. Six or seven frontal setae descending below level of base of arista. Fronto-orbital plate with one row of medioclinate setae or setulae lateral to row of frontal setae. Gena in profile about 0.2 times as high as compound eye. Postocular setae fine, relatively long, slightly bent anteriorly. Prementum about 1.0-1.3 times as long as wide.

Abdomen ( Fig. 3C View Figure 3 ): Syntergite 1 + 2 with short and weak median marginal setae, only slightly differentiated from marginal setulae. Tergite 3 with one pair of short median marginal setae less than 0.3 times as long as corresponding tergite. Tergite 4 with a row of ten to 13 marginal setae shorter than corresponding tergite. Tergite 5 with a row of marginal setae and shorter discal setae.

Male terminalia ( Fig. 3D–G View Figure 3 ): Epandrium relatively long and convex. Hypandrial arms very long, not bent anteriorly. Distal 1/2 of cerci strongly apart, but distally convergent ( Fig. 3F- G View Figure 3 ). Medial subdistal margin of cerci, in posterior view, with a ‘brush’ of flattened setulae ( Fig. 3G View Figure 3 ). Cerci, in lateral view, very slightly curved posteriorly, slightly widened apically ( Fig. 3D View Figure 3 ), not convex basally; medial preapical tooth of cerci present, but not visible in posterior view. Surstylus narrow, evenly curved posteriorly ( Fig. 3D- E View Figure 3 ). A subspherical, membranous, and symmetrical structure clearly visible in anterolateral view is present behind the cerci and between surstyli ( Fig. 3E View Figure 3 ).