Cyclolabus basirufus Heinrich, 1974

Riedel, Matthias, 2023, Notes on Ichneumoninae (Hymenoptera, Ichneumonidae) from southern China, with descriptions of one new genus and twelve new species, Contributions to Entomology 73 (2), pp. 223-248 : 223

Cyclolabus basirufus Heinrich, 1974

Material.

China, Yunnan: Pianma environment, 25.973°N, 98.708°E, 2500 m elev., 1 ♂ 03.VI.2009, leg. Blank, Liston, Taeger.

Remarks.

The ♂ is only briefly described by Heinrich (1974b: 145). I give a detailed description here: Body length 8.1 mm. Flagellum with 33 segments, bristle-shaped; 1st flagellar segment 3.5 × as long as wide, all segments longer than wide. Temple short and strongly narrowed behind eye. OED 1.0 × and OOD 1.4 × ocellar diameter. Frons densely rugose-punctate. Face densely punctate. Clypeus moderately convex, ca. 2 × as wide as long, densely punctate; apical margin sharp and straight in median half. Mandible with two teeth; ventral tooth much smaller than upper tooth and distinctly bent inwards (by 60°). Malar space 0.5 × as long as width of mandibular base. Genal carina reaching hypostomal carina far from mandibular base, both carinae low.

Mesoscutum densely rugose-punctate, dull. Notaulus impressed in anterior fifth of mesoscutum. Mesopleuron and metapleuron densely rugose-punctate, dull. Speculum punctate, partly smooth; juxtacoxal carina present. Scutellum moderately elevated, slightly wider than long, densely punctate and with complete lateral carina. Propodeum shot, rugose, with short-oval spiracles. Area superomedia hexagonal, 2.5 × as wide as long; costula reaching its middle. Posterolateral edge of area dentipara with distinct blunt apophysis (as long as its basal width). Hind coxa densely punctate. Hind femur punctate, 4.9 × as long as wide. Tarsal claws simple. Areolet almost quadrangular, frontal distance between veins 2rs-m and 3rs-m 1 × diameter of these veins; vein 2m-cu slightly proximal to its middle. Vein 1cu-a interstitial.

Petiole much wider than high. Postpetiole strongly widened, rugose-punctate and with distinct latero-median carina. Gastrocoelus large, distinctly impressed, with some coarse rugae. Thyridium large, almost transverse, 1.4 × as wide as interval between thyridia. 2nd tergite 1.2 × as wide as long. 2nd and 3rd tergites densely and coarsely punctate, dull; 2nd tergite rugose-punctate in basal half. Following tergites with fine dense punctate, shining. Apical margin of hypopygium rounded.

Colour. Black. Flagellar segments 8-12, facial orbit, hind edge of pronotum, spot of subtegular ridge, apical spot of scutellum, apical margin of 5th to 7th tergites and 1st to 3rd hind tarsomeres ivory. Postpetiole and basal 2/3 of 2nd tergite diffusely reddish. Coxae, trochanters and trochantelli black. Legs otherwise red; fore- and mid-tarsi brownish; hind femur and hind tibia blackish in apical 0.3; 4th and 5th hind tarsomeres black. Wings hyaline; pterostigma black.

Distribution.

Known from Myanmar and Vietnam ( Riedel 2011), new record for southern China.