Megischus, Brulle, 1846

Binoy, C., Achterberg, C. Van, Kumar, P. Girish, Santhosh, S. & Sheela, S., 2020, A review of Stephanidae (Hymenoptera: Stephanoidea) from India, with the description of five new species, Zootaxa 4838 (1), pp. 1-51 : 30

Key to Indian species of Megischus

1. Head orange red; frons coarsely transversely rugose frontally; vertex dorsally with strong up curved rugae; hind coxa slender, spindle-shaped; hind tibia depressed at base on the outer side of widened part; ivory part of ovipositor 1.3× as long as dark apical part ( Fig. 56 )................................................................ M. alveolifer van Achterberg

- Head black ( Fig. 59 ); frons with coarse subparallel rugae frontally; vertex dorsally with strong almost straight rugae; hind coxa robust; hind tibia strongly convex at base on the outer side of widened part; ivory part of ovipositor 0.5× as long as dark apical part ( Fig. 71 )............................................... M. ranjithi Binoy, Santhosh & Girish Kumar sp. nov.

Figures

FIGURE 56. Habitus of holotype. ♀ Megischus alveolifer van Achterberg, 2004.

FIGURES 58–65. Megischus ranjithi Binoy, Santhosh & Girish Kumar sp. nov. Holotype ♀. 58. Habitus, lateral view (ex- cluding ovipositor); 59. Head and anterior part of pronotum, lateral view; 60. Head, frontal view; 61. Head, dorsal view; 62. Mesosoma, dorsal view; 63. Mesosoma, lateral view; 64. Fore wing; 65. Hind coxa.

FIGURES 66–71. Megischus ranjithi Binoy, Santhosh & Girish Kumar sp. nov. Holotype ♀. 66. Hind femora & tibia; 67. Hind leg; 68. First metasomal tergite; 69. Metasoma (except first tergite), lateral view; 70. Last metasomal tergite showing metasomal protuberances, lateral view; 71. Ovipositor and ovipositor sheath, lateral view.