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Metaparasitylenchus hypothenemi n. sp. (Nematoda: Allantonematidae), a parasite of the coffee berry borer, Hypothenemus hampei (Curculionidae: Scolytinae)

Poinar, George O | Vega, Fernando E [autor/a] | Castillo Vera, Alfredo [autor/a] | Chávez, I. E [autor/a] | Infante, Francisco [autor/a].
Tipo de material: Artículo
 impreso(a) 
 Artículo impreso(a) Tema(s): Broca del cafeto | Metaparasitylenchus hypothenemi | Parásitos | Biología animal | Agentes biológicos para el control de plagasTema(s) en inglés: Coffee berry borer | Metaparasitylenchus hypothenemi | Parasites | Animal biology | Biological pest control agentsDescriptor(es) geográficos: Cacahoatán (Chiapas, México) Clasificación: AR/633.739760972 / M4 Nota de acceso: Disponible para usuarios de ECOSUR con su clave de acceso En: Journal of Parasitology. volumen 90, número 5 (October 2004), páginas 1106-1110. --ISSN: 0022-3395Número de sistema: 7021Resumen:
Inglés

Metaparasitylenchus hypothenemi n. sp. (Nematoda: Allantonematidae) is described from the coffee berry borer, Hypothenemus hampei (Ferrari) (Curculionidae: Scolytinae), in Chiapas, Mexico. This species differs from other members of the genus by its small size, annulated cuticle, lateral fields with 3 ridges, free-living stages with an excretory pore located between the pharyngeal gland orifices, a distinct stylet with basal swellings in free-living females, a postvulval uterine extension, a thin stylet lacking basal swellings in males, 2 separate spicules, a gubernaculum, and a peloderan bursa. Parasitic females are white, with a straight or slightly curved body and are ovoviviparous. Third-stage juveniles emerge from parasitized beetles and molt twice before reaching the adult stage. Because the coffee berry borer is the most important pest of coffee throughout the world and this parasite partially or completely sterilizes female beetles, it is worthy of further investigation as a potential biological control agent.

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Metaparasitylenchus hypothenemi n. sp. (Nematoda: Allantonematidae) is described from the coffee berry borer, Hypothenemus hampei (Ferrari) (Curculionidae: Scolytinae), in Chiapas, Mexico. This species differs from other members of the genus by its small size, annulated cuticle, lateral fields with 3 ridges, free-living stages with an excretory pore located between the pharyngeal gland orifices, a distinct stylet with basal swellings in free-living females, a postvulval uterine extension, a thin stylet lacking basal swellings in males, 2 separate spicules, a gubernaculum, and a peloderan bursa. Parasitic females are white, with a straight or slightly curved body and are ovoviviparous. Third-stage juveniles emerge from parasitized beetles and molt twice before reaching the adult stage. Because the coffee berry borer is the most important pest of coffee throughout the world and this parasite partially or completely sterilizes female beetles, it is worthy of further investigation as a potential biological control agent. eng

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