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Artículo

Comparison of the Host Searching and Oviposition Behaviors of the Tephritid (Diptera) Parasitoids Aganaspis pelleranoi and Odontosema anastrephae (Hymenoptera: Figitidae, Eucoilinae)

Aluja, Martín; Ovruski Alderete, Sergio MarceloIcon ; Guillén, Larissa; Oroño, Luis EduardoIcon ; Sivinski, John
Fecha de publicación: 05/2009
Editorial: Springer/Plenum Publishers
Revista: Journal of Insect Behaviour
ISSN: 0892-7553
Idioma: Inglés
Tipo de recurso: Artículo publicado
Clasificación temática:
Otras Ciencias Biológicas

Resumen

We compared the host-searching and oviposition behaviors of two Neotropical figitid parasitoids (Hymenoptera) that exploit the same resource: ripe fruit infested by fruit fly larvae (Tephritidae) that have fallen to the ground. Sexually mature Aganaspis pelleranoi (Brèthes) and Odontosema anastrephae Borgmeier females were exposed individually, under no choice conditions, to four types of fruit: 1) Clean, intact guavas, Psidium guajava L. (no fruit fly larvae, no perforations); 2) clean, with artificial perforations; 3) artificially infested (with larvae), no perforations; 4) infested with artificial perforations. A behavioral transition matrix and sequence diagram of the following behaviors was constructed: walking on fruit, detection of larvae via the antennae, tarsi or aculeus, fruit perforation and penetration, and oviposition. Overall, we found that infested fruit (intact and with artificial perforations) elicited the most activity in the females of both species and that A. pelleranoi females exhibited a significantly more diverse behavioral repertoire (i.e., more transitions) and were significantly more active than O. anastrephae females. Females of both species penetrated the fruit in search of larvae by biting through the epi- and mesocarp, but O. anastrephae remained inside for significantly longer periods (up to eight hours). A. pelleranoi females used both their antennae and tarsi to detect larvae but the use of these structures varied depending on in infested fruit tarsi were used preferentially (usually while standing still) while in uninfested fruit, antennae were mainly used (usually while walking). In the case of O. anastrephae females the reverse pattern was usually observed with antennae most commonly used to detect larvae in infested fruit. We discuss our findings in light of their evolutionary, ecological and practical implications.
Palabras clave: Host-Search Behavior , Oviposition , Figitidae , Tephritidae
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info:eu-repo/semantics/restrictedAccess Excepto donde se diga explícitamente, este item se publica bajo la siguiente descripción: Creative Commons Attribution-NonCommercial-ShareAlike 2.5 Unported (CC BY-NC-SA 2.5)
Identificadores
URI: http://hdl.handle.net/11336/42035
DOI: https://dx.doi.org/10.1007/s10905-009-9182-3
URL: https://link.springer.com/article/10.1007%2Fs10905-009-9182-3
Colecciones
Articulos(PROIMI)
Articulos de PLANTA PILOTO DE PROC.IND.MICROBIOLOGICOS (I)
Citación
Aluja, Martín; Ovruski Alderete, Sergio Marcelo; Guillén, Larissa; Oroño, Luis Eduardo; Sivinski, John; Comparison of the Host Searching and Oviposition Behaviors of the Tephritid (Diptera) Parasitoids Aganaspis pelleranoi and Odontosema anastrephae (Hymenoptera: Figitidae, Eucoilinae); Springer/Plenum Publishers; Journal of Insect Behaviour; 22; 6; 5-2009; 423-451
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