title: Tersilochinae of Western Amazonia (Hymenoptera: Ichneumonidae). Genus Stethantyx Townes, part 1.
abstract: Sixteen species of the genus Stethantyx Townes having first and second sections of radius meeting at obtuse angle are recorded from Peru and Ecuador in Western Amazonia. Ten species, S. amazonica Khalaim & Sääksjärvi, sp. nov., S. aurantia Khalaim & Sääksjärvi, sp. nov., S. juninensis Khalaim & Bordera, sp. nov., S. loretosa Khalaim & Sääksjärvi, sp. nov., S. neopropodeator Khalaim & Sääksjärvi, sp. nov., S. orellana Khalaim & Sääksjärvi, sp. nov., S. sinuata Khalaim & Sääksjärvi, sp. nov., S. tiputinia Khalaim & Sääksjärvi, sp. nov., S. trepida Khalaim & Sääksjärvi, sp. nov. and S. voluptaria Khalaim & Sääksjärvi, sp. nov., are described as new. Six species, previously known only from Costa Rica,           S. alajuela Khalaim & Broad, S. heredia Khalaim & Broad, S. orosia Khalaim & Broad, S. propodeator Khalaim & Broad, S. puntarenasa Khalaim & Broad and S. sanjosea Khalaim & Broad, are recorded from South America for the first time. A partial key to Western Amazonian species of Stethantyx is given.
authors.affiliation: Zoological Institute, Russian Academy of Sciences, Universitetskaya nab. 1, St.Petersburg 199034, Russia. Facultad de Ingeniería y Ciencias, Universidad Autónoma de Tamaulipas, Cd. Victoria 87149, México; Email: ptera@mail.ru.
authors.forename: Andrey I
authors.initials: AI
authors.lastname: Khalaim
authors.affiliation: Zoological Museum, Section of Biodiversity and Environmental Sciences, Department of Biology, University of Turku, 20014 Turku, Finland; Email: ileesa@utu.fi.
authors.forename: Ilari E
authors.initials: IE
authors.lastname: Sääksjärvi
authors.affiliation: Instituto de Investigación de Biodiversidad CIBIO, Universidad de Alicante, Ap. Corr. 99, 03080 Alicante, Spain.; Email: s.bordera@ua.es.
authors.forename: Santiago
authors.initials: S
authors.lastname: Bordera
mesh_terms: D000818:Animals; D003364:Costa Rica; D004484:Ecuador; D005260:Female; D008297:Male; D010568:Peru; D014863:Wasps / Q000033:anatomy & histology / Q000145:classification*