Friday, October 31, 2025

[Entomology • 2018] Gilen orientalisThe Unicorn Exists! A remarkable New Genus and Species of Perilissini (Hymenoptera: Ichneumonidae) from South East Asia


 Gilen orientalis
Reshchikov & Van Achterberg, 2018  
 

Abstract 
Gilen gen. nov. (type species G. orientalis sp. nov.) from South East Asia is described and illustrated. The new taxon has a produced mid-longitudinal facial projection, which differentiates it from all other known genera of Ichneumonidae. It belongs to the tribe Perilissini in the subfamily Ctenopelmatinae (Hymenoptera, Ichneumonidae) and is recorded from Laos, Northern Thailand and Vietnam.

Keywords: Hymenoptera, Ichneumonidae, new genus, new species, parasitoid, facial projection, Laos, Thailand, Vietnam, Oriental Region



Gilen gen. nov.  
 Gilen orientalis sp. nov.

Etymology. The generic name ʻGilenʼ refers to a mythical single horned creature (Thai name: กิเลน) known in Thai and other Asian cultures. It refers to the unique mid-longitudinal facial projection. The gender is masculine.


Alexey Reshchikov and Cornelis Van Achterberg. 2018. The Unicorn exists! A remarkable New Genus and Species of Perilissini (Hymenoptera: Ichneumonidae) from South East Asia. Acta Entomologica Musei Nationalis Pragae. 58(2):523-529. DOI: doi.org/10.2478/aemnp-2018-0041 [November 2018]