Hymenoepimecis japi Sobczak, Loffredo, Penteado-Dias & Gonzaga, 2009

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 japi Sobczak, Loffredo, Penteado-Dias & Gonzaga, 2009

( Fig. 3A–F )

Diagnosis. 1) body orange, except the head, hind leg (proximal part of coxa orange), and posterior margins of tergites II–V and tergites VI+ black; 2) fore wing hyaline; 3) head, in dorsal view, with gena slightly convex behind eyes; 4) face smooth and without a carina; 5) occipital carina slightly upcurved and not reduced dorsally; 6) pronotum with the pocket-like structure not reduced longitudinally; 7) epicnemial carina vestigial ventrally; 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 about 0.8 × as long as the hind tibia.

Distribution. Brazil. This is the first record of the species and genus for Argentina ( Fig. 7C ).

Biological notes. Parasitoid of the tetragnathid Leucauge roseosignata Mello-Leitão, 1943 ( Sobczak et al. 2009) and the araneid Mecynogea bigibba Simon, 1903 (Messa et al. 2017).

Material examined. ARGENTINA: La Rioja, Sta. [= Santa] Cruz ca. Anillaço , 1700m., 06.IV.2002, Malaise Trap in Humid Ravine (P. Fidalgo leg.), 1♀, FSCA ; idem, but 01–14.XII.2002, 1♀, FSCA .

Figures

FIGURE 3. Hymenoepimecis japi Sobczak, Loffredo, Penteado-Dias & Gonzaga, 2009 (♀). (A) Habitus; (B) Head, dorsal view; (C) Head and anterior part of mesosoma, lateral view; (D) Face, frontal view; (E) Sternite I, lateral view, arrow shows the rounded swelling; (F) Tarsal claw, lateral view.

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.