Wilkinsonellus narangahus Rousse et Gupta

Rousse, Pascal & Gupta, Ankita, 2013, Microgastrinae (Hymenoptera: Braconidae) of Reunion Island: a catalogue of the local species, including 18 new taxa and a key to species, Zootaxa 3616 (6), pp. 501-547: 543-545

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Wilkinsonellus narangahus Rousse et Gupta

sp. nov.

Wilkinsonellus narangahus Rousse et Gupta  , sp. nov.

( Fig. 20View FIGURE 20)

Diagnosis. Bright yellow orange species with apex of metasoma darkened. The propodeum bears three apically converging carinas (generic character).

Color. Yellowish orange overall. Antenna brownish. Terga 3–4 (medially) and following terga dark brown. Hind tarsi infuscate. Ovipositor sheath black. Wings hyaline, venation brown.


FEMALE (2 specimens). B: 2.6; A: 3.4; L: 3.4 (2.6–3.4).

Head. Moderately and shortly setose. Face coarsely punctate rugose, clypeus smooth. H i: 0.9; EH i: 0.7; C i: 2.8; Fl 1 i: 2.2; Fl 2 i: 2.4; FL 1– 2 i: 0.9; Fl 15 i: 3.5; Fl 16 i: 4.4; OO i: 1.1; IO i: 0.8.

Mesosoma  . Moderately and shortly setose. Pronotum smooth. Mesopleuron densely punctate but a large prominent central smooth area. Metapleuron rugose punctate. Mesoscutum coarsely punctate rugose, notauli discernible along the raised median lobe. Scuto-scutellar suture wide and deep, crenulate. Scutellum coarsely punctate rugose. MSC i: 0.9. Propodeum smooth, with three carina converging toward middle of apical margin, the median longitudinal carina distinctly stronger than both diagonal ones. Fore wing. Second submarginal cell (areolet) enlarged though apically open. R 1 /Pl i: 0.9; r/Pw i: 1.3; r/ 2 Rs i: 0.8. Hind wing. Vannal lobe with hind margin regularly setose, its apical half flattened. Legs. Hind coxa coarsely rugose above, laterally puncto-reticulate. Hind femur short and stout. Cx/T 1 i: 1.6; F i: 3.1.

Metasoma. Tergum 1 typical of the genus, elongate, narrow, polished, with a long mid-longitudinal furrow. Tergite 2 polished, trapezoidal and elongate, its apical margin somewhat constricted and medially notched. Ovipositor very short, sheath almost concealed within hypopygium. T 1 a i: 3.7; T 1 b i: 4.9; T 1 /T 2 i: 4.9; T 2 a i: 0.5; T 2 b i: 0.8; T 2 /T 3 i: 0.6; OT i: << 0.1.

MALE (2 specimens) B: 2.8; A: 3.7; L: 3.5 (3.2–3.4). Similar to female.

I. Apanteles Förster 

1. Apanteles bordagei Giard, 1902  2. Apanteles fontinalis  de Saeger 3. Apanteles galleriae Wilkinson, 1932  4. Apanteles minatchy  sp. nov. 5. Apanteles nigrofemoratus Granger, 1949  6. Apanteles pashmina  sp. nov. 7. Apanteles romei  sp. nov.

II. Cotesia Cameron 

8. Cotesia xavieri  sp. nov. 9. Cotesia flavipes Cameron, 1891  10. Cotesia plutellae (Kurdjumov, 1912)  11. Cotesia ruficrus (Haliday, 1834)  12. Cotesia sesamiae ( Cameron, 1906) 

III. Dodogaster  gen. nov.

13. Dodogaster grangeri  sp. nov.

IV. Dolichogenidea Viereck 

14. Dolichogenidea ashoka  sp. nov. 15. Dolichogenidea broadi  sp. nov. 16. Dolichogenidea lumba  sp. nov. 17. Dolichogenidea uru  sp. nov. 18. Dolichogenidea villemantae  sp. nov.

V. Diolcogaster Ashmead 

19. Diolcogaster austrina (Wilkinson, 1929)  ? 20. Diolcogaster curticornis (Granger, 1949)  VII. Exoryza Mason 

23. Exoryza safranum  sp. nov.

VIII. Glyptapanteles Ashmead 

24. Glyptapanteles antsirabensis (Granger, 1949)  comb. nov. 25. Glyptapanteles chidra  sp. nov.

26. Glyptapanteles ficus (Granger, 1949)  comb. nov. 27. Glyptapanteles subandinus (Blanchard, 1947)  comb. nov.

IX. Microplitis Förster 

28. Microplitis subsulcatus Granger, 1949  XI. Parapanteles Ashmead 

31. Parapanteles covino  sp. nov. 32. Parapanteles darignac  sp. nov.

XII. Venanides Mason 

33. Venanides curticornis (Granger, 1949) 

XIII. Wilkinsonellus Mason 

34. Wilkinsonellus narangahus  sp. nov.

(?) Actual occurrence in Reunion is not confirmed (cf. text for details) Material examined. HOLOTYPE Ƥ (MNHN EY 8839) Verbatim label data: Bras Panon / La Caroline alt. 230m 09/ 2010, leg. Cirad; right flagellum broken. PARATYPES (MNHN EY 8840–8842) 1 Ƥ St Pierre / Bassin Martin, alt. 290m, VI. 2011, leg. Cirad; 13 same location, same date, leg. Cirad; 13 same location, VIII. 2011, leg. Cirad.

Etymology. The species name is derived from the word “narangah” in Sanskrit, a Dravidian language, which means orange in English referring to the bright orange coloration of the species.

Distribution records. Reunion.

Comments. Most of world species have been keyed by Long and van Achterberg (2003). A supplementary species was thereafter added from India (Ahmad et al. 2005). Wilkinsonellus narangahus  differs from all these species by the following combined characters: scutellum coarsely punctate rugose, ocelli moderately enlarged (ocullo-ocellar line 1.1 x greater than posterior ocellus diameter), mesopleuron centrally smooth, propodeum with diagonal carinas distinct.