Three new species in the genus Wilkinsonellus (Braconidae, Microgastrinae) from the Neotropics, and the first host record for the genus Arias-Penna, Diana Carolina Whitfield, James B. Janzen, Daniel H. Hallwachs, Winnie ZooKeys 2013 302 79 95 http://species-id.net/wiki/Wilkinsonellus Mason, 1981 Mason 1981 Insecta Braconidae Wilkinsonellus CoL Animalia Wilkinsonellus Hymenoptera 3 82 Arthropoda genus  Type species:  Apanteles iphitus, Nixon 1965  Diagnosis.  Wilkinsonelluscan be differentiated from other Microgastrinaegenera by the combination of the following characters: body coloration largely yellowish (Figs 1A, L; 3A; 4A); propodeum with a median carina, spiracles surrounded by carinae (Figs 1F, 3G, 4H); propleuron with a posterior flange (Figs 1D, 3F, 4B); scutellum sculptured medio-posteriorly and often with subapical carina (Figs 1 M-N, 3G, 4H); lunulae of scutellum wide (Figs 1 E-F, 3G, 4 G-H) ( Long and Achterberg 2011), fore wing with second submarginal cell ( "areolet") open distally, thus vein r-m absent (Fig. 3J); vein 1-1A strongly curved, laying very close to posterior margin of the fore wing (Fig. 3J) ( Long and Achterberg 2003); tergite I with petiole 4-5 times as long as its apical width, more or less constricted medially and deeply grooved almost to apex (Figs 1H, Q-R; 3H; 4 H-I) ( Zeng et al. 2011); median longitudinal area of metasomal tergite II slightly raised, usually poorly delimited (Figs 1 G-H, Q-R; 3H, L; 4I), tergite II as long as tergite III, both smooth (Figs 2 G-H, Q-R; 3H, L; 4I) ( Whitfield 1997); hind coxa enlarged (Figs 1A, I, L, Q; 3A, H, L,) rarely short except in Wilkinsonellus flavicrus( Long and Achterberg 2011); ovipositor sheaths short (Figs 1A, G, J, 4A, J) ( Whitfield 1997).  Key to Neotropical WilkinsonellusMason    Fig. 4GFig. 4HFigs 4 A-D  Wilkinsonellus panamaensis  Figs 1E, M-N3EFigs 1F3GFigs 1 A-C, L3 A-D, F  Figs 3A, J-K  Wilkinsonellus kogui  Figs 1A, L  Wilkinsonellus alexsmithi