Phanerotomella flavigena, He & Achterberg & He & Tang & Chen, 2025

Phanerotomella flavigena sp. nov.

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Figs 33–34 View Fig View Fig

Diagnosis

Inner tooth of mandible 0.4× as long as apical tooth ( Fig. 34D View Fig ); lamella of third metasomal tergite posteriorly without tubercles ( Fig. 34M View Fig ); temple and face entirely yellow ( Fig. 34B–C View Fig ); head in dorsal view reddish brown without yellow spot around eye ( Fig. 34A View Fig ).

Etymology

Named after the yellow temple; ‘ flavus ’ in Latin is ‘yellow’.

Type material

Holotype CHINA – Zhejiang • ♀; West Tianmu Mt., Daheng Road ; 28 Jul. 1999; M.S. Zhao leg.; Malaise trap; ZJUH No. 999896 .

Paratypes ( 9 ♀♀, 3 ♂♂)

CHINA – Zhejiang • 5 ♀♀; West Tianmu Mt., Xianrending; 4 Jul. 1998; M.S. Zhao leg.; ZJUH Nos 992257 , 992262 , 992269 , 992273 , 200010676 • 1 ♀; same data as for holotype; ZJUH No. 999898 • 3 ♀♀; Taishun, Wuyanling ; 1–2 Aug. 2005; Y.P. Wang leg.; Malaise trap; ZJUH Nos 200604959 , 200604970 , 200604974 . – Yunnan • 1 ♂; Lvchun, Fenshuiling ; 25 Jul. 2003; T.J. Li leg.; ZJUH No. 20045700 . – Guangdong • 1 ♂; Ruyuan, Nanling ; 4 Aug. 2004; Z.F. Xu leg.; ZJUH No. 20047787 . – Guizhou • 1 ♂; Fanjing Mt., Jinding ; 12 Jul. 1993; X.X. Chen leg.; ZJUH No. 937831 .

Description

Female

MEASUREMENTS. Length of body 4.2 mm, fore wing 3.9 mm.

COLOURATION. Blackish brown; temple, face and clypeus yellow; antenna dark brown except scapus anteriorly white; mandible yellowish and with reddish teeth; prothorax yellow except pronotum dorsally brownish; anterior subalar depression yellow; lateral border of first metasomal tergite yellow; metasoma ventrally white or ivory; fore and middle legs yellow except coxa and trochanter white; hind leg dark brown except coxa, trochanter, bases of femur and tibia white; pterostigma, parastigma and wing veins dark brown.

HEAD ( Fig. 34A–C View Fig ). Width 1.5× median length in anterior view ( Fig. 34B View Fig ) and part of head above eye in lateral view 0.3× height of eye ( Fig. 34C View Fig ); antenna with 43 segments and 1.6× as long as fore wing, not widened but shortened medially, gradually narrowing apically, subapical segments non-moniliform and longer than wide, third, fourth, tenth, fifteenth and penultimate segments 4.2, 3.8, 2.4, 1.3 and 2.0× as long as wide in lateral view, respectively ( Fig. 34E–F View Fig ); area of stemmaticum transversely striate; OOL: OD: POL= 38: 11: 10; eye 0.7 × as long as temple in dorsal view ( Fig. 34A View Fig ); frons transversely rugulose and with median carina; vertex reticulate-rugose with short setae; temple finely punctate and shiny; face rugulose and with distinct median ridge, dorsally connected to median carina; clypeus smooth and shiny except for finely punctation, distinctly truncate medio-ventrally; eye width in lateral view 0.7× maximum width of temple ( Fig. 34C View Fig ), eye height in anterior view 0.6× minimum width of face ( Fig. 34B View Fig ); malar space finely punctate and 0.7× as long as basal width of mandible; mandible rather robust, lower tooth of mandible 0.5× as long as apical tooth ( Fig. 34D View Fig ); face width 1.1× height of face and clypeus together.

MESOSOMA ( Fig. 34J–K View Fig ). Length 1.5× its width in lateral view ( Fig. 34K View Fig ); side of pronotum superficially rugulose-punctate; mesoscutum medio-posteriorly slightly depressed and coarsely punctate and remainder comparatively finely punctate; notauli absent; scutellar sulcus with seven short crenulae ( Fig. 34J View Fig ); scutellum mainly punctate and shiny except basally reticulate; mesopleuron punctate and shiny and without distinctly smooth area posteriorly, precoxal sulcus absent; propodeum reticulate, without median carina, with irregular transverse carina connected to four weak and blunt lateral tubercles.

WINGS ( Fig. 34H–I View Fig ). Fore wing 2.7× as long as its maximum width ( Fig. 34H View Fig ); second submarginal cell weakly petiolate; vein m-cu postfurcal; vein r and vein SR1 straight; vein 1-SR+M slightly concave; length of 1-R1 1.1× pterostigma; vein r issued far beyond middle of pterostigma, 1.0× vein r-m; r: 2-SR: SR1=14: 41: 75; vein 1-CU1 0.3× as long as vein 2-CU1. Hind wing: M+CU: 1-M: 1r-m =39: 55: 16 ( Fig. 34I View Fig ).

LEGS ( Fig. 34G View Fig ). Hind femur 3.9 × as long as wide; longest spur of hind tibia 0.5×as long as its basitarsus; hind leg smooth and shiny except fine and superficial punctation; middle tibia without ivory blister.

METASOMA ( Fig. 34L–M View Fig ). Oval in dorsal view ( Fig. 34L View Fig ), 1.8 × as long as wide and 1.0× as long as mesosoma; first to third tergites densely reticulate-rugulose; third tergite 1.0× as long as second tergite, medial length of third tergite 0.6× its maximum width; lamella of third tergite straight and without 2 tubercles latero-apically ( Fig. 34M View Fig ).

VARIATION. Second submarginal cell weakly petiolate or rarely sessile; length of fore wing of female 3.5–3.9 mm; antenna of female with 41–45 segments.

Male

Very similar to female.

Host

Unknown

Distribution

China ( Guangdong, Guizhou, Yunnan, Zhejiang).

Remarks

Phanerotomella flavigena sp. nov. is similar to P. emeiensis sp, nov. For a comparison between both taxa, see remarks under P. emeiensis .