Clistopyga chaconi

Santiago Bordera, Ilari Eerikki Sääksjärvi, Carol Castillo, Edgard Palacio & Alejandra González-Moreno, 2016, The Neotropical species of Clistopyga (Hymenoptera, Ichneumonidae, Pimplinae). Part I: the C. chaconi species group, with the description of eleven new species, European Journal of Taxonomy 206, pp. 1-37 : 3

Diagnosis of the C. chaconi species group

Gena in anterior view slightly rounded or almost straight and moderately to strongly constricted below eyes. Occipital carina complete, weakly to strongly raised, forming a dorsomedial flange (for a comparison with a typical Clistopyga head shape, see Bordera et al. 2014). Occiput in dorsal view straight. Malar space 0.5–1.1 times as long as basal mandibular width. Antenna with 30–36 flagellomeres, first flagellomere 4.6–7.0 times as long as wide. Epomia absent. Posterior part of median lobe of mesoscutum not prominent. Metapleuron 1.6–2.1 times as long as deep. Propodeum without lateromedian longitudinal carina, 0.9–1.2 times as long as medially wide in dorsal view. Submetapleural carina complete, strongly raised and extending back to insertion of hind coxa. Hind leg with femur 3.4–4.2 times as long as deep and 0.8–1.0 times as long as tibia. Sternite I of metasoma extending back 0.5–0.7 of length of tergite. Ovipositor stout or slender, upcurved at apical 0.3–0.5, not denticulate in basal 0.35, matt, 1.1–1.6 times as long as hind tibia. Ovipositor sheath 0.9–1.3 times as long as hind tibia, without denticles at basal ventral margin. Female fore leg with tibia unspecialized. Male gena without longitudinal concavity in ventral part.