Phanerotoma longzhouensis, 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 : 40-43

Phanerotoma longzhouensis sp. nov.

urn:lsid:zoobank.org:act:93CC4388-64B9-430D-B7A7-708153F0E48F

Fig. 16

Diagnosis

Ovipositor sheath slender ( Fig. 16J ); second metasomal suture curved ( Fig. 16I ); third metasomal tergite 1.8× as long as second tergite, in dorsal view densely granulate-rugose with wide apical emargination; malar space as long as basal width of mandible ( Fig. 16E ); posterior lamella of third metasomal tergite wide medially; head behind stemmaticum flattened; eyes strongly protruding in dorsal view ( Fig. 16C ).

Etymology

Named after the collection site of the holotype (Longzhou).

Type material

Holotype

CHINA – Guangxi Zhuangzu Zizhiqu • ♀; Longzhou, Nonggang; 20 May 1982; Junhua He leg; ZJUH No. 821619a.

Paratypes (47 ♀♀, 3 ♂♂)

CHINA – Guangxi Zhuangzu Zizhiqu • 1 ♂; same data as for holotype; ZJUH No. 821671a • 45 ♀♀; same data as for preceding; ZJUH Nos 821534a to 821534e, 821554, 821619b, 821619c, 821620, 821630a to 821630c, 821670a to 821670k, 821671b, 821718, 821720, 822153, 822204a to 822204e, 824396a to 824396m • 1 ♀; same data as for preceding; 17 May 1982; Fasheng Li leg.; ZJUH No. 871936 • 1 ♂; Jiuwanda Mts ; 30 Jul. 2003; Yiping Wang leg.; ZJUH No. 20034901 . – Guangdong • 1 ♂; Ruyuan, Nanling ; 9–18 Jul. 2005; Yali Cai leg.; ZJUH No. 200609636 . – Fujian • 1 ♀; Wuyi Mt. ; 9 Oct. 1980; Jiahua Chen leg.; ZJUH No. 20003800 .

Description

Female

MEASUREMENTS. Length of body 4.3 mm, of fore wing 3.7 mm.

COLOURATION. Yellow; stemmaticum, tegula and teeth of mandible dark brown.

HEAD. Width 1.3 × median length in anterior view ( Fig. 16E ) and part of head above eye in lateral view 0.3× height of eye ( Fig. 16D ); antenna with 23 segments and 1.3 × as long as fore wing, six subapical antennal segments moniliform ( Fig. 16F ); area of stemmaticum mainly granulate; OOL: diameter of posterior ocellus:POL= 286: 112:70; eye 1.5× temple in dorsal view ( Fig. 16C ); 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 granulate-rugose and without median carina; clypeus smooth, shiny and 0.8× minimum width of face, intertentorial distance 1.3× minimum width between clypeus and eye, clypeus long erect setose and with 3 small teeth medio-ventrally ( Fig. 16E ); eye large and in lateral view 1.7× as wide as temple ( Fig. 16D ), in anterior view its height 0.9× minimum width of face; upper condyle of mandible far below lower level of eyes ( Fig. 16E ); malar space as long as basal width of mandible; lower tooth of mandible 0.5× length of apical tooth, small and short ( Fig.16L ).

MESOSOMA ( Fig. 16H ). Length 1.7× 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. 16H ); scutellum triangular, flat, distinctly granulate-rugose and rather shiny; metanotum with no short median carina anteriorly or small tooth; propodeum coarsely reticulate-rugose, latero-posteriorly not tuberculate, no transverse or median carinae.

WINGS. Fore wing 2.8 × as long as its maximum width; length of 1-R1 1.6× as long as pterostigma; r of fore wing 0.5 × 3-SR; distance between 1-R1 and wing apex 0.4 × 1-R1; 2-SR nearly straight ( Fig. 16G ); SR1 straight; 2-SR+M present; pterostigma large, parastigma medium-sized; 1-CU1 0.5× as long as vein 2-CU1, cu-a oblique and 0.7 × as long as 1-CU1; r: 3-SR: SR1 =15: 25: 97; 2-SR: 3-SR: r-m=42: 25: 16; 2-M bent ( Fig. 16G ).

LEGS ( Fig. 16K ). Hind femur moderately wide and with satin sheen, 3.7× as long as wide and rather widened submedially; hind tibia rather swollen; middle tibia with medium-sized yellow blister; hind coxa smooth and shiny.

METASOMA ( Fig. 16I–J ). Carapace elliptical in dorsal view, 1.7 × as long as wide and as long as mesosoma; first and second tergites coarsely and densely longitudinally rugose; second suture narrow; third tergite 1.8× as long as second tergite and laterally weakly curved, in lateral view slightly convex posteriorly, in dorsal view convex medially, densely and granulate-rugose and rounded ( Fig. 16I ), lateral lamella with protruding corners latero-apically, and medio-apically widely emarginated; ovipositor sheath narrow ( Fig. 16J ), with some long and erect setae; hypopygium apically acute, but without triangular protuberance ( Fig. 16J ).

VARIATION. Length of fore wing 3.5–3.7 mm; lower tooth of mandible 0.3–0.5 × as long as apical tooth; vein r 0.4–0.5× as long as vein 3-SR; third tergite 1.7–1.8× as long as second tergite; eye 1.4–1.6× as long as temple in dorsal view.

Male

Similar to female, but metasomal carapace in dorsal view 2.1× as long as wide ( Fig. 16B ) and slenderer antenna.

Host

Unknown.

Distribution

China (Guangxi Zhuangzu Zizhiqu, Guangdong, Fujian).

Figures

Fig. 16. Phanerotoma longzhouensis sp. nov. A, C–L. Holotype, ♀ (ZJUH No. 821619a). B. Paratype, ♂ (ZJUH No. 821671a). A. Habitus, lateral view. B. First third of metasomal tergites, dorsal view. C. Head, dorsal view. D. Head, lateral view. E. Head, anterior view. F. Antenna, lateral view. G. Fore wing. H. Mesosoma, dorsal view. I. First third of metasomal tergites, dorsal view. J. Metasoma, lateral view. K. Hind leg. L. Mandible, ventral view. Scale bars: A–K=1 mm; L=0.2 mm.