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The establishment of a rearing technique for the fruit fly parasitoid Baryscapus silvestrii increases knowledge of biological, ecological and behavioural traits

TitoloThe establishment of a rearing technique for the fruit fly parasitoid Baryscapus silvestrii increases knowledge of biological, ecological and behavioural traits
Tipo di pubblicazioneArticolo su Rivista peer-reviewed
Anno di Pubblicazione2020
AutoriSasso, Raffaele, Gualtieri L., Russo E., Nugnes F., Gebiola M., and Bernardo U.
RivistaBioControl
Volume65
Paginazione47-57
ISSN13866141
Parole chiaveage structure, Bactrocera oleae, Baryscapus, biocontrol agent, Ceratitis capitata, Diptera, discrete choice analysis, Eulophidae, fly, Hymenoptera, Oviposition, parasitoid, Rearing, sex allocation, Tephritidae
Abstract

We have evaluated different rearing strategies of Baryscapus silvestrii (Hymenoptera: Eulophidae), a parasitoid of Bactrocera oleae (Diptera: Tephritidae), including the use of a factitious host, Ceratitis capitata (Diptera: Tephritidae), and in the process acquired new knowledge of the parasitoid’s biology. We found that B. silvestrii: (1) parasitizes only puparia and exclusively if they are concealed, (2) is able to parasitize and complete its development on puparia of all ages, (3) prefers to oviposit on the medfly in choice tests, (4) completes development faster if reared on 2–3 day-old puparia, (5) exhibits sex allocation related to host puparium age. This study provides critical information on several biological traits of B. silvestrii, and the new rearing method can be used to establish a parasitoid rearing for augmentative releases. © 2019, International Organization for Biological Control (IOBC).

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URLhttps://www.scopus.com/inward/record.uri?eid=2-s2.0-85075949913&doi=10.1007%2fs10526-019-09984-8&partnerID=40&md5=a4a9c5391d7b0ca0ed2c62570dcb3373
DOI10.1007/s10526-019-09984-8
Citation KeySasso202047