Orthocentrus bilineator Aubert 1959
Year: 2025
Type: other
Abstract: Orthocentrus bilineator Aubert, 1959 Fig. 2 Material examined. Holotype. [France] • ♀; Ville Amont (P. O) [Pyrénées-Orientales / Boule d’Amont]; 25 Aug. 1958, J. F. Aubert [? leg.]; Orthocentrus bilineator Type, J. F. Aubert det. [handwritten] // labelled as holotype by S. Klopfstein, 2009; GBIFCH 00908846; MZL. Additional material. Italy • 11 ♀♀; Toscana, Is. Elba; 21 Sep. – 23 Oct. 2001; Malaise trap; FDG, SIZK. Diagnosis. Female. Face papillate; eye sparsely setose (Fig. 2 D). Antenna with 27–28 flagellomeres, first flagellomere 1.4–1.5 × as long as wide (Fig. 2 B). Vertex yellow along inner orbits. Mesosoma largely marked with orange and yellow, mesoscutum yellow / orange along notauli and on lateral margins and scutellum orange (Fig. 2 E). Fore wing with vein 3 rs-m present, areolet sessile (Fig. 2 A); hind wing with nervellus intercepted below the middle (Fig. 2 C). Metasomal tergites granulate, banded with yellow posteriorly (Fig. 2 A, F); first tergite 1.4–1.5 × as long as posterior width, with latero-median longitudinal carinae present, but weak; second tergite 0.8–1.0 × as long as posterior width; tergites 2–3 each with a strong subapical transverse furrow, granulate (Fig. 2 F). Male. Unknown. Distribution. Currently known only from the South of France (Aubert 1978) and Central Italy (first record). Possibly a Tyrrhenian species. Remark. The holotype specimen is generally more robust, with the first tergite 1.4 × and second tergite 0.8 × as long as the posterior width. The Italian specimens are slenderer, but otherwise are the same as the holotype.
Authors: Varga, Oleksandr, Di Giovanni, Filippo
Institutions: I.I. Schmalhausen Institute of Zoology, University of Siena
Language: English
Domain: Life Sciences
Open Access status: green
OpenAlex ID: W7085744713
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