Comparative adult preference–larval performance relationship between a specialist and a generalist tephritid: Implication for predicting field host‐range
Abstract Phytophagous insects differ in their degree of specialization to their host plants. It ranges from monophagous or oligophagous species that can only develop on a single host plant, or family of host plants, to extremely polyphagous species that can develop on plants from many distinct botan...
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| Format: | Article |
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Wiley
2024-08-01
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| Series: | Ecology and Evolution |
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| Online Access: | https://doi.org/10.1002/ece3.70170 |
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| author | Noémie Lauciello Christian Gilbert Mille Abir Hafsi Vincent Jacob Pierre‐François Duyck |
| author_facet | Noémie Lauciello Christian Gilbert Mille Abir Hafsi Vincent Jacob Pierre‐François Duyck |
| author_sort | Noémie Lauciello |
| collection | DOAJ |
| description | Abstract Phytophagous insects differ in their degree of specialization to their host plants. It ranges from monophagous or oligophagous species that can only develop on a single host plant, or family of host plants, to extremely polyphagous species that can develop on plants from many distinct botanical families. The aim of this study was to compare the larval performance and adult preference of a highly generalist species, the Queensland fruit fly (Bactrocera tryoni) and a highly specialist species, the breadfruit fruit fly (B. umbrosa) among several fruits covering both species' host range. (i) larval performance was tested on 16 fruit species, and (ii) a female preference was tested on a subset of five fruit species. In addition, (iii) a field survey was carried out on 11 fruit species. B. umbrosa infested only Artocarpus fruits in the field. Accordingly, B. umbrosa larvae survived and developed only on fruits belonging to the Artocarpus genus. Female B. umbrosa did not lay their eggs on non‐Artocarpus fruits, except Terminalia catappa. Female B. tryoni, on the other hand, made little selection between the fruits tested, and its larvae developed on 13 of the 16 fruit species tested. The larval performance of both species, adjusted when tested by female preference, predicted in large part the fruit infestation in the field. These data are essential to better estimate invasion risk where the species are not established. |
| format | Article |
| id | doaj-art-9cd5dffe938c448eb33bb32152a621a6 |
| institution | OA Journals |
| issn | 2045-7758 |
| language | English |
| publishDate | 2024-08-01 |
| publisher | Wiley |
| record_format | Article |
| series | Ecology and Evolution |
| spelling | doaj-art-9cd5dffe938c448eb33bb32152a621a62025-08-20T01:55:49ZengWileyEcology and Evolution2045-77582024-08-01148n/an/a10.1002/ece3.70170Comparative adult preference–larval performance relationship between a specialist and a generalist tephritid: Implication for predicting field host‐rangeNoémie Lauciello0Christian Gilbert Mille1Abir Hafsi2Vincent Jacob3Pierre‐François Duyck4IAC, Equipe ARBOREAL La Foa New CaledoniaIAC, Equipe ARBOREAL La Foa New CaledoniaCIRAD, UMR PVBMT Saint‐Pierre FranceCIRAD, UMR PVBMT Saint‐Pierre FranceIAC, Equipe ARBOREAL La Foa New CaledoniaAbstract Phytophagous insects differ in their degree of specialization to their host plants. It ranges from monophagous or oligophagous species that can only develop on a single host plant, or family of host plants, to extremely polyphagous species that can develop on plants from many distinct botanical families. The aim of this study was to compare the larval performance and adult preference of a highly generalist species, the Queensland fruit fly (Bactrocera tryoni) and a highly specialist species, the breadfruit fruit fly (B. umbrosa) among several fruits covering both species' host range. (i) larval performance was tested on 16 fruit species, and (ii) a female preference was tested on a subset of five fruit species. In addition, (iii) a field survey was carried out on 11 fruit species. B. umbrosa infested only Artocarpus fruits in the field. Accordingly, B. umbrosa larvae survived and developed only on fruits belonging to the Artocarpus genus. Female B. umbrosa did not lay their eggs on non‐Artocarpus fruits, except Terminalia catappa. Female B. tryoni, on the other hand, made little selection between the fruits tested, and its larvae developed on 13 of the 16 fruit species tested. The larval performance of both species, adjusted when tested by female preference, predicted in large part the fruit infestation in the field. These data are essential to better estimate invasion risk where the species are not established.https://doi.org/10.1002/ece3.70170ArtocarpusBactrocera tryoniBactrocera umbrosabioecologyecological nichehost‐fruits |
| spellingShingle | Noémie Lauciello Christian Gilbert Mille Abir Hafsi Vincent Jacob Pierre‐François Duyck Comparative adult preference–larval performance relationship between a specialist and a generalist tephritid: Implication for predicting field host‐range Ecology and Evolution Artocarpus Bactrocera tryoni Bactrocera umbrosa bioecology ecological niche host‐fruits |
| title | Comparative adult preference–larval performance relationship between a specialist and a generalist tephritid: Implication for predicting field host‐range |
| title_full | Comparative adult preference–larval performance relationship between a specialist and a generalist tephritid: Implication for predicting field host‐range |
| title_fullStr | Comparative adult preference–larval performance relationship between a specialist and a generalist tephritid: Implication for predicting field host‐range |
| title_full_unstemmed | Comparative adult preference–larval performance relationship between a specialist and a generalist tephritid: Implication for predicting field host‐range |
| title_short | Comparative adult preference–larval performance relationship between a specialist and a generalist tephritid: Implication for predicting field host‐range |
| title_sort | comparative adult preference larval performance relationship between a specialist and a generalist tephritid implication for predicting field host range |
| topic | Artocarpus Bactrocera tryoni Bactrocera umbrosa bioecology ecological niche host‐fruits |
| url | https://doi.org/10.1002/ece3.70170 |
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