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Survey of entomopathogenic nematodes from the families Steinernematidae and Heterorhabditidae (Nematoda: Rhabditida) in Colima, México

Published online by Cambridge University Press:  04 February 2014

Isaac Zepeda-Jazo ,
Jaime Molina-Ochoa ,
Roberto Lezama-Gutiérrez ,
Steven R. Skoda  and
John E. Foster
Isaac Zepeda-Jazo
Affiliation:
Universidad de la Ciénega del Estado de Michoacán de Ocampo, Trayectoria Genómica Alimentaria, Av. Universidad 3000, Col. Centro, Sahuayo, Michoacán59000, Mexico Facultad de Ciencias Biológicas y Agropecuarias, Universidad de Colima, Apartado Postal 36, Tecomán, Colima28100, Mexico
Jaime Molina-Ochoa*
Affiliation:
Universidad de Colima, Coordinación General de Investigación Científica, Centro Universitario de Investigación y Desarrollo Agropecuario, Km. 40, Autopista Colima-Manzanillo, Tecomán, Colima28930, Mexico Insect Genetics Laboratory, Department of Entomology, University of Nebraska Lincoln, 3B Entomology Hall, Lincoln, NE68583-0816, USA
Roberto Lezama-Gutiérrez
Affiliation:
Facultad de Ciencias Biológicas y Agropecuarias, Universidad de Colima, Apartado Postal 36, Tecomán, Colima28100, Mexico
Steven R. Skoda
Affiliation:
USDA-ARS-KBUSLIRL Screwworm Research Unit, Kerrville, TX78028, USA
John E. Foster
Affiliation:
Insect Genetics Laboratory, Department of Entomology, University of Nebraska Lincoln, 3B Entomology Hall, Lincoln, NE68583-0816, USA
*
*E-mail: [email protected]; [email protected]
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Abstract

A survey of entomopathogenic nematodes (EPNs) belonging to the families Steinernematidae and Heterorhabditidae was conducted in three municipalities on the Pacific coast of the State of Colima, México, to determine their occurrence and recovery frequency and predominant plant species in cultivated and non-cultivated habitats. Nineteen soil samples were collected: seven from non-cultivated habitats and 12 from habitats or areas cultivated mostly with fruit and grain crops and grasses. Of the 19 soil samples, 14 were positive for EPNs; the total prevalence was 73.7%. From the 14 positive soil samples, 12 steinernematid isolates (85.7%) and two heterorhabditid isolates (14.3%) were recovered. Irrespective of the locations, EPNs from the genus Steinernema were recovered from the three municipalities; EPNs from the genera Steinernema and Heterorhabditis were recovered from Armería and Ixtlahuacán. Only steinernematid isolates were recovered from non-cultivated habitats. Most of the isolates were recovered from cultivated habitats, and our results suggest that there is a higher prevalence of EPNs in cultivated soils.

Keywords

HeterorhabditisSteinernemaMéxiconatural habitatssurvey
Type
Short Communication
Information
International Journal of Tropical Insect Science , Volume 34 , Issue 1 , March 2014 , pp. 53 - 57
Copyright
Copyright © ICIPE 2014 

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