Hymenoepimecis ribeiroi Pádua & Sobczak, 2015

Pádua, Diego G., 2022, First record of the Darwin wasp Hymenoepimecis Viereck, 1912 (Hymenoptera: Ichneumonidae: Pimplinae) from Argentina and Bolivia, with description of a new species, Zootaxa 5169 (1), pp. 49-60 : 52

Hymenoepimecis ribeiroi Pádua & Sobczak, 2015

( Fig. 4A–H )

Diagnosis. 1) body orange, except the head, hind leg, and posterior part of metasoma black; 2) fore wing hyaline yellowish, with two black bands; 3) head, in dorsal view, with gena slightly convex behind eyes; 4) face smooth and without a carina; 5) occipital carina slightly curved and reduced dorsally; 6) pronotum with the pocket-like structure not reduced longitudinally; 7) epicnemial carina absent; 8) sternite I with a low, rounded swelling posteriorly; 9) female with tarsal claw with square lobe, and with apex overtaking the lobe (tarsal claw single in males); 10) female with ovipositor sheath 0.75–0.9 × as long as the hind tibia.

Distribution. Brazil, French Guiana, and Peru. This is the first record of the species and genus for Argentina ( Fig. 7D ).

Biological notes. Host unknown.

Material examined. ARGENTINA: Misiones, Cataratas Iguazu , 06–12.XI.1970 (C. Porter & L. Stange leg.), 1♂, FSCA ; idem, but Malaise trap in sub-tropical wet forest, 01–31.I.2001 (P. Fidalgo leg.), 1♀, FSCA .

Figures

FIGURE 4. Hymenoepimecis ribeiroi Pádua & Sobczak, 2015. (A) Habitus (♀); (B) Habitus (♂); (C) Face, frontal view (♀); (D) Head, dorsal view (♀); (E) Head, dorsal view (♂); (F) Head and anterior part of mesosoma, lateral view (♀); (G) Tarsal claw, lateral view (♀); (H) Sternite I, lateral view (♀), arrow shows the rounded swelling posteriorly.

FIGURE 7. Geographical distribution of the Hymenoepimecis species. (A) H. atlantica sp. n.; (B) H. castilloi Pádua & Sääksjärvi, 2020; (C) Hymenoepimecis japi Sobczak, Loffredo, Penteado-Dias & Gonzaga, 2009; (D) H. ribeiroi Pádua & Sobczak, 2015; (E) H. uberensis Pádua & Onody, 2015; (F) H. veranii Loffredo & Penteado-Dias, 2009.