Phanerotoma duae, 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 : 20-23

Phanerotoma duae sp. nov.

urn:lsid:zoobank.org:act:31B09370-20F4-4BA4-8A4A-0D47485F867C

Fig. 8

Diagnosis

Clypeus with three minute teeth medio-ventrally ( Fig. 8D ); hind tibia with yellowish brown patch basally and apically ( Fig. 8J ); eye large and in lateral view 1.9 × as wide as temple ( Fig. 8C ); second metasomal suture slightly sinuate; 6-8 subapical antennal segments of female modified ( Fig. 8E ); upper condyle of mandible almost approaching lower level of eyes; malar space 0.6× as long as basal width of mandible.

Etymology

Named after the renowned Chinese entomologist Prof. Yu-Zhou Du (Yangzhou University, Yangzhou).

Type material

Holotype CHINA – Liaoning • ♀; Dalian ; 16 Aug. 1994; Juxian Lou leg.; ZJUH No. 952376 .

Description

Female

MEASUREMENTS. Length of body 5.6 mm, of fore wing 4.7 mm.

COLOURATION. Yellow; stemmaticum, teeth of mandible, pterostigma, parastigma, veins 1-CU1 and cu-a of fore wing dark brown; hind tibia with distinct yellow patch subbasally.

HEAD. Width 1.5× median length in anterior view ( Fig. 8D ) and part of head above eye in lateral view 0.2× height of eye ( Fig. 8C ); antenna with 23 segments and 1.4× as long as fore wing, three subapical antennal segments not moniliform ( Fig. 8E ), and narrowed and elongate, third and penultimate segments 1.6 and 1.8 × as long as wide in lateral view; area of stemmaticum mainly granulate; OOL: diameter of posterior ocellus: POL=32: 13: 7; eye 1.7 × temple in dorsal view ( Fig. 8B ); 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 punctate, shiny and 0.9× minimum width of face, intertentorial distance 3.2× minimum width between clypeus and eye, clypeus long erect setose and with 3 small teeth medio-ventrally ( Fig. 8D ); eye large and in lateral view 1.9× as wide as temple ( Fig. 8C ), in anterior view its height 0.9× minimum width of face; upper condyle of mandible almost approaching lower level of eyes ( Fig. 8D ); malar space 0.6× as long as basal width of mandible; lower tooth of mandible 0.2× length of apical tooth, small and short ( Fig. 8K ).

MESOSOMA ( Fig. 8G ). 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 slightly indicated; scutellar sulcus narrow ( Fig. 8G ); 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 carina or median carina, latero-posteriorly tuberculate.

WINGS. Fore wing 3.3× as long as its maximum width; length of 1-R1 1.4× as long as pterostigma; r 0.3× 3-SR; distance between 1-R1 and wing apex 0.2 × 1-R1; 2-SR strongly curved ( Fig. 8F ); SR1 bent; 2-SR+M present; parastigma medium-sized; 1-CU1 0.6 × as long as vein 2-CU1, cu-a oblique and 0.7× as long as 1-CU1; r: 3-SR: SR1= 12:35: 95; 2-SR: 3-SR: r-m =46: 35: 10; 2-M bent apically and curved basally ( Fig. 8F ).

LEGS ( Fig. 8J ). Hind femur moderately wide and with satin sheen, 3.0× 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. 8H–I ). 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 wide; third tergite 1.6× as long as second tergite and laterally weakly curved, in lateral view slightly convex posteriorly, in dorsal view truncate medially, densely and semi-circularly rugose ( Fig. 8H ), lateral lamella narrow, medio-apically weakly emarginate; ovipositor sheath robust and long ( Fig. 8I ), with some long and erect setae; hypopygium apically acute, lacking an up-curved triangle or apical spine ( Fig. 8I ).

Male

Unknown.

Host

Unknown.

Distribution

China (Liaoning).

Figures

Fig. 8. Phanerotoma duae sp. nov., holotype, ♀ (ZJUH No. 952376). A. Habitus, lateral view. B. Head, dorsal view. C. Head, lateral view. D. Head, anterior view. E. Antenna, lateral view. F. Fore wing. G. Mesosoma, dorsal view. H. First third of metasomal tergites, dorsal view. I. Metasoma, lateral view. J. Hind leg. K. Mandible, ventral view. Scale bars: A–J= 1 mm; K =0.2 mm (no scale bar for E).