Eubroncus

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Taxonavigation

Ordo: Hymenoptera
Familia: Mymaridae

Name

Eubroncus Yoshimoto, Kozlov & Trjapitzin, 1972 – Wikispecies link – Pensoft Profile

• Eubroncus Yoshimoto, Kozlov & Trjapitzin, 1972: 879. Type species: Eubroncus orientalis Yoshimoto, Kozlov & Trjapitzin, 1972, by original designation.
• Stomarotrum Yoshimoto, Kozlov & Trjapitzin, 1972: 879. Type species: Stomarotrum prodigiosum Yoshimoto, Kozlov & Trjapitzin, 1972, by original designation; synonymy by Triapitsyn and Huber 2000: 603.

Diagnosis

Head strongly angular (or subtriangular) in lateral view. Vertex (Figs 1, 10, 20, 28) with a pair of placoid sensilla in front of post ocelli. Mandibles (Figs 2, 11, 21) not crossing medially, extremely long and narrow, with strong apical teeth and rows of denticles on ventral margin. Female antenna with funicle 6-segmented and clava 1-segmented. Pedicel distinctly longer than fl1, fl1 without mps, fl2–fl6 and clava each with numerous mps. Hind wing (Figs 6, 15, 25, 30) relatively wide with broadly rounded apex, disc begins at wing’s base, submarginal vein striped by alternating hyaline and infuscate areas. Tarsi 4-segmented. Protibial spur (Figs 7, 16, 26) comb-like. Male antennal flagellum (Fig. 29) 11-segmented. (Note: this diagnosis applies to examined species from China because authors have not examined any other material of this genus. Hosts of all Eubroncus are unknown)

Key to species of Eubroncus of the world

(Note: females are not known for orientalis; males are not known for indicus, hani, and tibetanus)

Key to species of Eubroncus of the world — X. Jin , C. Li

1		♀: flagellum clavate, funicle 6-segmented and clava 1-segmented (Figs 3, 12, 22)    2
−		♂: flagellum filiform, 11-segmented (Fig. 29)    6
2		Pronotum entire, without longitudinal carina medially (Yoshimoto et al. 1972, Fig. 7)    3
−		Pronotum with a faint longitudinal carina medially (Figs 4, 13, 20)    4
3		Scape about 3.0× as long as wide; Gt1 with prominent carinae; eye circular    Eubroncus prodigiosus
−		Scape about 5.5× as long as wide; Gt1 without prominent carinae; eye oval    Eubroncus indicus
4		Hind wing without a group of long setae on disc behind the distal part of marginal vein (Fig. 25); petiole with short and blunt spine-like projections anterolaterally (Fig. 27); vertex entirely covered with conspicuous scale-like sculpture (Fig. 20); ovipositor 0.87–0.90× as long as mesotibia    Eubroncus vertexus sp. n.
−		Hind wing with a group of notably long setae on disc behind the distal part of marginal vein (Figs 6, 15); petiole with relatively long spine-like projections anterolaterally (Figs 8, 19); vertex only partly covered with conspicuous sculpture or the sculpture inconspicuous; ovipositor 0.66–0.68× as long as mesotibia    5
5		Vertex with conspicuous scale-like sculpture in anterior half, smooth in posterior half or nearly so (Fig. 10); propodeum with distinct reticulate sculpture medially (Fig. 13); scutellum with transverse row of fovea extending to lateral margins (Fig. 13)    Eubroncus tibetanus sp. n.
−		Both vertex and propodeum with fine reticulate sculpture (Fig. 1); scutellum with short transverse row of fovea medially (Fig. 4)    Eubroncus hani sp. n.
6		Pronotum entire, without longitudinal carina medially    Eubroncus prodigiosus
−		Pronotum with a faint longitudinal carina medially    7
7		Forewing with a notch on basal third of posterior margin (Yoshimoto et al. 1972, Fig. 4)    Eubroncus orientalis
−		Forewing without a notch on basal third of posterior margin (Fig. 30)    Eubroncus vertexus sp. n.

Taxon Treatment

• Jin, X; Li, C; 2014: First record of Eubroncus (Hymenoptera, Mymaridae) from China, with description of three new species ZooKeys, 399: 29-41. doi

Images

Figures 1–9. Eubroncus hani sp. n., holotype female: 1 head, dorsal 2 mandibles 3 antenna 4 mesosoma, dorsal 5 forewing 6 hind wing 7 legs 8 metasoma, dorsal 9 ovipositor. Scale bars = 100 μm.  Figures 10–19. Eubroncus tibetanus sp. n., holotype female: 10 head, dorsal 11 mandibles 12 antenna 13 mesosoma, dorsal 14 forewing 15 hind wing 16 fore leg 17 middle leg 18 hind leg 19 metasoma, dorsal. Scale bars = 100 μm.  Figures 20–27. Eubroncus vertexus sp. n., holotype female: 20 head and pronotum, dorsal 21 mandibles 22 antenna 23 mesosoma (except pronotum) 24 forewing 25 hind wing 26 legs Paratype female: 27 metasoma. Scale bars = 100 μm.  Figures 28–31. Eubroncus vertexus sp. n., paratype male: 28 head, dorsal 29 antenna 30 wings 31 genitalia. Scale bars = 100 μm.