Phanerotoma emeishanensis, Luo & Achterberg & He & Tang & Chen, 2025

Luo, Wen-Juan, Achterberg, Cornelis Van, He, Jun-Hua, Tang, Pu & Chen, Xue-Xin, 2025, Revision of the genus Phanerotoma Wesmael (Hymenoptera, Braconidae, Cheloninae) from China, with descriptions of twenty-four new species, European Journal of Taxonomy 1003, pp. 1-110 : 23-25

Phanerotoma emeishanensis sp. nov.

urn:lsid:zoobank.org:act:B4D4DCDA-AD47-4CA4-8ADE-E6EA59714438

Fig. 9

Diagnosis

Ninth segment of female antenna (as following segments) widened and about as long as wide, scapus and 9 th –23 rd segments of antenna dark brown, gradually narrowed and slender, and 2 nd –8 th segments of antenna yellow ( Fig. 9J ); third tergite of metasoma slightly and indistinctly emarginate medio-posteriorly; apical lamella of carapace medially about as wide as length of fourth hind tarsal segment; face mostly, frons and temple dark brown ( Fig. 9B ); metasomal carapace ovoid in dorsal view ( Fig. 9H ); hind basitarsus whitish.

Etymology

Named after the collection site (Emei Mt.).

Type material

Holotype CHINA – Sichuan • ♀; Emei Mt. ; 1–3 Aug. 2006; Hongying Zhang leg.; ZJUH No. 200611279 .

Description

Female

MEASUREMENTS. Length of body 4.4 mm, of fore wing 3.8 mm.

COLOURATION. Yellow; stemmaticum, frons, temple basally in dorsal view, first and 9 th –23 rd segments of antenna, face medially, teeth of mandible, mesoscutum (except M-shaped area), metanotum medially, propodeum largely, first and second tergite laterally, third tergite largely, hind femur and tibia apically, pterostigma and parastigma dark brown.

HEAD. Width 1.3× median length in anterior view ( Fig. 9D ) and part of head above eye in lateral view 0.4× height of eye ( Fig. 9C ); antenna with 23 segments and as long as fore wing, subapical antennal segments not moniliform ( Fig. 9J ), and 9 th segment widest, 3 rd –8 th segments slender, 9 th –23 rd segments shortened and swollen; area of stemmaticum mainly granulate; OOL:diameter of posterior ocellus: POL=31: 11: 7; eye 1.4 × temple in dorsal view ( Fig. 9B ); frons with longitudinal rugae medially, rugose laterally and with weak median ridge; vertex granulate-rugose and with satin sheen; temple largely striate and with satin sheen; face obliquely rugose and without median carina; clypeus smooth, shiny and 0.9× as long as minimum width of face, intertentorial distance 3.2× minimum width between clypeus and eye, clypeus long erect setose and with 3 minute teeth medio-ventrally ( Fig. 9D ); temple wide and in lateral view 1.3× as wide as temple ( Fig. 9C ), in anterior view its height 0.7 × minimum width of face; upper condyle of mandible far below lower level of eyes ( Fig. 9D ); malar space 0.9 × as long as basal width of mandible; lower tooth of mandible 0.2× length of apical tooth, small and short ( Fig. 9K ).

MESOSOMA ( Fig. 9G ). Length 1.5 × its width in lateral view; side of pronotum mainly rugose, but dorsally nearly smooth; mesoscutum densely rugose and rather shiny, densely setose; notauli hardly indicated; scutellar sulcus wide ( Fig. 9G ); scutellum triangular, flat, distinctly granulate-rugose and rather shiny; metanotum without short median carina anteriorly and small tooth posteriorly; propodeum coarsely reticulate-rugose, without transverse or median carina, latero-posteriorly tuberculate.

WINGS. Fore wing 2.6× as long as its maximum width; length of 1-R1 1.3× as long as pterostigma; r issued rather far beyond middle of pterostigma and 0.6 × 3-SR; distance between 1-R1 and wing apex 0.4× 1-R1; 2-SR and SR1 nearly straight ( Fig. 9F ); 2-SR+M present; parastigma medium-sized; 1-CU1 0.3× as long as vein 2-CU1, cu-a oblique and 1.2× as long as 1-CU1; r:3-SR: SR1= 4: 7: 24; 2-SR: 3-SR: r-m=13: 7: 3; 2-M slightly bent ( Fig. 9F ).

LEGS ( Fig. 9I ). Hind femur moderately wide and with satin sheen, 3.6× as long as wide and rather widened submedially; hind tibia rather swollen; middle tibia with large yellow blister; hind coxa smooth and shiny.

METASOMA ( Fig. 9E, H ). Carapace elliptical in dorsal view, 1.7× as long as wide and 1.2× as long as mesosoma; first and second tergites coarsely and densely longitudinally rugose; second suture narrow; third tergite 1.2× as long as second tergite and laterally weakly curved, in lateral view slightly convex posteriorly, in dorsal view convex medially, densely and semi-circularly rugose and rounded ( Fig. 9E ), lateral lamella wide, medio-apically weakly emarginate; ovipositor sheath spine-like and medium ( Fig. 9H ), with some long and erect setae; hypopygium apically acute, lacking an up-curved triangle or apical spine ( Fig. 9H ).

Male

Unknown.

Host

Unknown.

Distribution

China (Sichuan).

Figures

Fig. 9. Phanerotoma emeishanensis sp. nov., holotype, ♀ (ZJUH No. 200611279). A. Habitus, lateral view. B. Head, dorsal view. C. Head, lateral view. D. Head, anterior view. E. First third of metasomal tergites, dorsal view. F. Fore wing. G. Mesosoma, dorsal view. H. Metasoma, lateral view. I. Hind leg. J. Antenna, lateral view. K. Mandible, ventral view. Scale bars: A–J =1 mm; K =0.2 mm.