First record of entomopathogenic nematodes (Steinernematidae and Heterorhabditidae) in Costa Rica

Lorena Uribe-Lorío, Marielos Mora, S. Patricia Stock

Research output: Contribution to journalArticle

14 Scopus citations

Abstract

A survey of entomopathogenic nematodes was conducted in the north Pacific (Guanacaste Conservation Area) and southeast Caribbean (Gandoca-Manzanillo Natural Refuge) regions of Costa Rica. Out of a total of 41 soil samples, 5 were positive for entomopathogenic nematodes (20.5%), with 3 (12.3%) containing Steinernema and 2 (8.2%) Heterorhabditis isolates. Morphological and molecular studies were undertaken to characterize these isolates. The Heterorhabditis isolates were identified as Heterorhabditis indica and the three Steinernema isolates were identified as two new undescribed species. H. indica was recovered from a coastal dry forest. Steinernema n. sp. 1 was isolated from a rainforest valley, between volcanoes. Steinernema sp. n. 2 was isolated from sand dunes in the Caribbean Coast (Punta Uva) near the rainforest strip along the coast. Although limited to two geographic regions, this study suggests entomopathogenic nematodes may be diverse and perhaps widely distributed in Costa Rica. A more intensive survey, covering all geographic regions is currently undergoing.

Original languageEnglish (US)
Pages (from-to)226-231
Number of pages6
JournalJournal of Invertebrate Pathology
Volume88
Issue number3
DOIs
StatePublished - Mar 2005

Keywords

  • Costa Rica
  • Diversity
  • Entomopathogenic nematodes
  • Heterorhabditis
  • Steinernema

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

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