Key to the Brazilian Amazonian species of Hymenoepimecis [The males of H. amazonensis sp. n., H. bicolor, H. heteropus, H. kleini sp. n. and H. neotropica are unknown]. 1 Female; ovipositor projecting conspicuously beyond apex of metasoma........................................... 2 - Male............................................................................................... 10 2 Face sculptured below the insertion of antennae, with longitudinal carina in the middle part (Fig. 1); head with occipital carina projected, not curved upwards, with a concavity dorsally in the apex (Fig. 3); pronotum with the pocket-like structure reduced longitudinally (Fig. 3); sternite I with a ventral projection, spine-like, posteriorly (Fig. 5)............................. 3 - Face not sculptured below the insertion of antennae, without longitudinal carina in the middle part (Fig. 2); head with occipital carina projected and curved upwards, without a concavity in the apex dorsal (Fig. 4); pronotum with the pocket-like structure not reduced longitudinally (Fig. 4); sternite I with a low, rounded swelling posteriorly (Fig. 6) or with a high, laterally compressed, nasute ventral protuberance (Fig. 7)................................................................ 5 3 Fore wing blackish, with yellowish hyaline band between junction of vein R 1 up to pterostigma until half vein M (Fig. 8); hind leg black, with base of coxa orange (Fig. 10); tergites I–V uniformly orange, tergites VI+ blacks (Fig. 10); ovipositor 1.1–1.2 × as long as hind tibia..................................................................... H. uberensis sp. n. - Fore wing hyaline (Fig. 9); hind leg with coxa, trochanter and trochantellus orange, with apex of femur, tibia and tarsus brown blackish (Fig. 11); metasoma, with posterior margins of tergites II–V narrowly black, tergites VI+ blacks (Fig. 11); ovipositor 1.3–1.4 × as long as hind tibia............................................................................ 4 4 Tarsal claw with a flat preapical tooth, apex of claw 3.0 × the lenght of the tooth (Fig. 12)................. H. kleini sp. n. - Tarsal claw with short basal lobe vertically, slightly quadrangular, apex of claw clearly overtaking the lobe (Fig. 13).......................................................................................... H. amazonensis sp. n. 5 Fore wing hyaline (Fig. 9) or hyaline yellowish, with black apex (Fig. 14)........................................ 6 - Fore wing hyaline yellowish, with two blackish bands (Fig. 15) or black with yellowish hyaline band between junction of vein R 1 up to pterostigma until half vein M (Fig. 8)............................................................... 7 6 Fore wing hyaline yellowish, with black apex (Fig. 14); hind leg, with base of coxa orange (Fig. 10); sternite with a high, laterally compressed, nasute ventral protuberance (Fig. 7)..................................... H. bicolor (Brullé, 1846) - Fore wing hyaline (Fig. 9); hind leg orange, with apex femur, tibia and tarsus blacks (Fig. 11); sternite I with a low, rounded swelling posteriorly (Fig. 6).............................................................. H. manauara sp. n. 7 Ovipositor 1.4 × as long as hind tibia.................................................................... 9 8 Metasoma black, except tergite I orange (Fig. 18); ovipositor 0.9 × as long as hind tibia.... heteropus (Kriechbaumer, 1890) - Metasoma with tergites I–V oranges, tergites VI+ blacks (Fig. 10); ovipositor 1.2–1.3 × as long as hind tibia H. ribeiroi sp. n. 9 Pronotum black (Fig. 16); tarsal claw narrow elongated vertically, with apex slightly overtaking the lobe (Fig. 20)............................................................................................... H. duckensis sp. n. - Pronotum orange, with black anterior part (Fig. 19); tarsal claw with preapical tooth (Fig. 21)............................................................................................ H. neotropica (Brues & Richardson, 1913) 10 Face sculptured below the insertion of antennae, with a longitudinal carina in the middle part (Fig. 1); head with occipital carina projected, not curved upwards, with a concavity dorsally in the apex (Fig. 3); pronotum with the opening pocket-like structure reduced longitudinally (Fig. 3); fore wing black with yellowish hyaline band between junction of vein R 1 up to pterostigma until half vein M (Fig. 8)....................................................... H. uberensis sp. n. - Face not sculptured below the insertion of antennae, without longitudinal carina in the middle part (Fig. 2); head with occipital carina projected and curved upwards without a concavity in the apex dorsal (Fig. 4); pronotum with the pocket-like structure not reduced longitudinally (Fig. 4); fore wing hyaline (Fig. 9) or hyaline yellowish, with two blackish bands (Fig. 15).... 11 11 Fore wing hyaline (Fig. 9); hind leg orange, with apex of femur, tibia and tarsus blacks (Fig. 11)....... H. manauara sp. n. - Fore wing hyaline yellowish with two blackish bands (Fig. 15) or black with yellowish hyaline band between junction of vein R 1 up to pterostigma until half vein M (Fig. 8).............................................................. 12 12 Pronotum black (Fig. 16); hind leg black, with base of coxa orange (Fig. 10)........................ H. duckensis sp. n. - Pronotum orange; hind leg orange, with tibia and tarsus blacks (Fig. 17)............................. H. ribeiroi sp. n.

Published as part of Pádua, Diego G., Oliveira, Marcio L., Onody, Helena C., Sobczak, Jober F., Sääksjärvi, Ilari E. & Gómez, Isrrael C., 2015, The Brazilian Amazonian species of Hymenoepimecis Viereck, 1912 (Hymenoptera: Ichneumonidae: Pimplinae), pp. 175-194 in Zootaxa 4058 (2) on pages 176-177, DOI: 10.11646/zootaxa.4058.2.2, http://zenodo.org/record/245261