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1 October 2004 METAPARASITYLENCHUS HYPOTHENEMI N. SP. (NEMATODA: ALLANTONEMATIDAE), A PARASITE OF THE COFFEE BERRY BORER, HYPOTHENEMUS HAMPEI (CURCULIONIDAE: SCOLYTINAE)
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Abstract

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.

George Poinar, Fernando E. Vega, Alfredo Castillo, IntiE. Chavez, and Francisco Infante "METAPARASITYLENCHUS HYPOTHENEMI N. SP. (NEMATODA: ALLANTONEMATIDAE), A PARASITE OF THE COFFEE BERRY BORER, HYPOTHENEMUS HAMPEI (CURCULIONIDAE: SCOLYTINAE)," Journal of Parasitology 90(5), (1 October 2004). https://doi.org/10.1645/GE-3369
Received: 17 December 2003; Accepted: 1 March 2004; Published: 1 October 2004
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