Strongylophthalmyia federeri Evenhuis

Evenhuis, Neal L., 2016, World review of the genus Strongylophthalmyia Heller (Diptera: Strongylophthalmyiidae). Part I: Introduction, morphology, species groups, and review of the Strongylophthalmyia punctata subgroup, Zootaxa 4189 (2), pp. 201-243 : 217-218

publication ID

https://doi.org/ 10.11646/zootaxa.4189.2.1

publication LSID

lsid:zoobank.org:pub:6AE6BFFF-C89E-4BBA-A2BE-CE648ECBD4D

DOI

https://doi.org/10.5281/zenodo.6070384

persistent identifier

https://treatment.plazi.org/id/03C587D8-FF9A-FFAA-5EBD-F69DE50701DA

treatment provided by

Plazi

scientific name

Strongylophthalmyia federeri Evenhuis
status

 

Strongylophthalmyia federeri Evenhuis , n. sp. ( Figs. 13 View FIGURES 10 – 17 , 21 View FIGURES 18 – 25 )

Diagnosis. This new species is easily distinguished from its congeners in this subgroup by the distinctive racquetshaped male palpus ( Fig. 13 View FIGURES 10 – 17 ) and the white posterolateral spot on the lower portion of the occiput.

Description. Lengths. Ƌ: body, 3.0 mm; wing, 2.8 mm. Male. Head: globular, frons shining brown, yellow above antennae; face yellow; gena yellow, silvery pollinose, row of short black white ventrally; occiput brown, brown posteroventrally with white posterolateral spot; clypeus thin, yellowish brown; palpus ( Fig. 13 View FIGURES 10 – 17 ) with long thin, yellow stem-like base and black clubbed apex making it appear racquet-shaped, without apparent vestiture; proboscis brown.

Antenna ( Fig. 21 View FIGURES 18 – 25 ) yellow; flagellomere subovoid, clothed with white hairs, with long, slender, curved brown dorsal process, densely clothed with decumbent white hairs, four times length of flagellomere; arista one-half length of dorsal process, styliform, bare.

Thorax: shining; mesonotum and scutellum shining yellowish brown, minute brownish setulae in rows along slightly darker medial, paired dorsocentral and postalar stripes; pleura brown above, yellow below; anepisternum bare; katepisternum with white hairs ventrally near mid coxa.

Wing: hyaline; vein R2+3 nearly straight, ending in costa just beyond level of crossvein dm-cu; crossvein dm-cu almost perpendicular to CuA1; last section of CuA1 one-half length of dm-cu; crossvein r-m at middle of cell dm; veins R4+5 and M1+2 slightly converging distally; halter white.

Legs: yellow; fore coxa with 2 long yellowish white hairs; fore femur dorsally with 6 short black thorn-like spicules, ventrally with subbasal cluster of yellowish orange hairs appearing thorn-like; hind femur with minute knob-like protuberance basomesally; otherwise remainder of legs unmodified.

Abdomen: tergites I–II yellowish to tan, weakly sclerotized medially and laterally; tergites III–V brown laterally, yellowish brown medially, tergite VI brown, with short sparse brown hairs, these hairs longest laterally; sternites pale brown, weakly sclerotized medially.

Male genitalia. Not dissected; epandrium and surstylus shining brown, with white hairs; cerci white, narrow basally, flared and rounded apically, with long white hairs dorsally, shorter brown hairs apically and ventrally.

Female. Unknown.

Material examined. Holotype ♂ from the PHILIPPINES: [Negros Island]: Negros Oriental Province: Cuernos de Negros , 7 km west Valencia , 700 m, 21–31 May 1988, D.C. Darling, E. Mayordo, 873104, Malaise trap with pans ( CNC) . Holotype deposited in the Canadian National Insect Collection, Ottawa.

Distribution. Philippines.

Etymology. This species is named for tennis champion Roger Federer because of the distinctive racquetshaped male palpus.

CNC

Canadian National Collection of Insects, Arachnids, and Nematodes

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