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1 June 2013 Horsehair worm, Paragordius varius (Nematomorpha: Gordiida): New to the Fauna of Oklahoma
Chris T. McAllister, Matthew G. Bolek, Ben Hanelt
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Abstract

During July 2011, collections of several freshwater horsehair worms were made at two sites (Mud and Salt creeks) in McCurtain County, Oklahoma. The specimens were subsequently identified as Paragordius varius (Leidy, 1851), which represents a new nematomorph for the state. The only previously reported horsehair worm from Oklahoma is Gordius robustus Leidy, 1851, from Stillwater, Payne County. Paragordius varius is probably the most common and widespread gordiid species in the New World. It is now known from 25 (plus the District of Columbia) of the contiguous United States and three provinces of Canada and also has been reported from Hawaii and throughout South America. Collecting at several other sites in the eastern part of the state failed to recover additional P. varius.

Durante julio del 2011, colecciones de varios gusanos crin de caballo se realizaron en dos sitios (Mud y Salt Creeks) en el condado de McCurtain, Oklahoma. Los especímenes fueron identificados después como Paragordius varius (Leidy, 1851), lo que representa un nuevo nematomorfo para el estado. El único gusano crin de caballo anteriormente registrado de Oklahoma es Gordius robustus Leidy, 1851, de Stillwater, condado de Payne. Paragordius varius es probablemente la especie gordíida más común y ampliamente distribuida en el Nuevo Mundo. Actualmente se conoce en 25 estados (más el Distrito de Columbia) de los Estados Unidos contiguos y tres provincias de Canadá y también se ha registrado de Hawaii y en toda América del Sur. Buscar en varios otros sitios en la parte oriental de Oklahoma no logró encontrar especímenes adicionales de P. varius.

Chris T. McAllister, Matthew G. Bolek, and Ben Hanelt "Horsehair worm, Paragordius varius (Nematomorpha: Gordiida): New to the Fauna of Oklahoma," The Southwestern Naturalist 58(2), 249-250, (1 June 2013). https://doi.org/10.1894/0038-4909-58.2.249
Received: 25 January 2012; Accepted: 1 April 2013; Published: 1 June 2013
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