Nanium oriasi Gauld, 1997

Reshchikov, Alexey, Sääksjärvi, Ilari E. & Pollet, Marc, 2018, Review of the New World genus Nanium Townes, 1967 (Hymenoptera: Ichneumonidae: Ctenopelmatinae), with two new species from the Neotropical region, European Journal of Taxonomy 459, pp. 1-18 : 16

Nanium oriasi Gauld, 1997

Figs 7 , 8A

Diagnosis

This species can be distinguished from all its congeners by the combination of the following characters:

face with inner margins of eyes parallel ( Fig. 7A ); mesoscutum granulate, mesopleuron not polished

ventrally; mesosoma black dorsally and yellowish ventrally ( Fig. 7C ); metasoma with T1 2.3 × as long as broad posteriorly ( Fig. 7B ).

Material examined

Holotype COSTA RICA: 1 ♀, Cartago Prov., La Cangreja , 1950 m a.s.l., Mar.–May 1992, Gauld and Hanson leg. (BMNH).

Distribution

Costa Rica (Cartago Province).

Figures

Fig. 7. Nanium oriasi Gauld, 1997, holotype, ♀ (BMNH). A. Face. B. Metasoma (dorsal view). C. Habitus.

Fig. 8. Distribution and habitats of Nanium. A. Distribution of Nanium species (blue – N. atitlanensis Reshchikov & Sääksjärvi sp. nov.; yellow – N. capitatum Townes, 1967; white – Costa Rican species (N. huberthi Gauld, 1997, N. mairenai Gauld, 1997, N. nogueri Gauld, 1997, N. oriasi Gauld, 1997); red – N. medianum Reshchikov & Sääksjärvi sp. nov.). B. Malaise trap and type locality of N. medianum sp. nov. on the trail Bosque Nublado, Cajanuma, Podocarpus Parque Nacional, Ecuador. C. Trail Oso de Anteojos near the type locality of N. medianum sp. nov., Podocarpus Parque Nacional, Ecuador, where the paratype specimen was captured in a yellow pan trap.