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A case of ecological specialization in ladybirds: Iberorhyzobius rondensis (Coleoptera: Coccinellidae), potential biocontrol agent of Matsucoccus feytaudi (Hemiptera: Matsucoccidae)
Year:
2014
Source of publication :
Bulletin of Entomological Research
Authors :
Mendel, Zvi
;
.
Volume :
104
Co-Authors:
Tavares, C., Centro de Estudos Florestais (CEF), Instituto Superior de Agronomia, University of Lisbon (ISA-UL), Tapada da Ajuda 1349-017 Lisbon, Portugal
Jactel, H., INRA, UMR1202, BIOGECO, F-33610 Cestas, France, Univ Bordeaux, UMR1202, BIOGECO, F-33400 Talence, France
Van Halder, I., INRA, UMR1202, BIOGECO, F-33610 Cestas, France, Univ Bordeaux, UMR1202, BIOGECO, F-33400 Talence, France
Mendel, Z., Department of Entomology, Agricultural Research Organization, 50250 Bet Dagan, Israel
Branco, M., Centro de Estudos Florestais (CEF), Instituto Superior de Agronomia, University of Lisbon (ISA-UL), Tapada da Ajuda 1349-017 Lisbon, Portugal
Facilitators :
From page:
367
To page:
375
(
Total pages:
9
)
Abstract:
Specialization is an important attribute of a biological control agent. The maritime pine bast scale, Matsucoccus feytaudi Ducasse (Hemiptera Matsucoccidae), is an invasive species in Southeast France and the North of Italy. Iberorhyzobius rondensis Eizaguirre (Coleoptera: Coccinellidae), is a recently described ladybird species. Both adults and larvae are predaceous, feeding on egg masses of M. feytaudi, and are strongly attracted to M. feytaudi's sex pheromone. To evaluate the potential of I. rondensis as a biocontrol agent of the scale, we studied its niche breadth and prey range with emphasis on pine forests and hemipterans as tested prey. In this study, I. rondensis was found to achieve complete development only when fed on M. feytaudi egg masses (92.9% survival) and an artificial prey: eggs of Ephestia kuehniella Zeller (27.6% survival). From the 2nd instar onwards, complete development could be achieved using other prey species, although larvae had significantly higher mortality and slower development. In choice tests, M. feytaudi was the preferred prey. Surveys of the ladybird populations in the Iberian Peninsula revealed that it was found exclusively on Pinus pinaster Aiton, the sole host of M. feytaudi. The unusual specialization of I. rondensis, among other predaceous ladybirds, makes it an appropriate candidate for classical biological control of M. feytaudi. Copyright © 2013 Cambridge University Press.
Note:
Related Files :
Animal
Animals
Behavioral Ecology
invasive species
Pinus
predation
Spain
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More details
DOI :
10.1017/S0007485314000182
Article number:
Affiliations:
Database:
Scopus
Publication Type:
article
;
.
Language:
English
Editors' remarks:
ID:
28504
Last updated date:
02/03/2022 17:27
Creation date:
17/04/2018 00:39
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Scientific Publication
A case of ecological specialization in ladybirds: Iberorhyzobius rondensis (Coleoptera: Coccinellidae), potential biocontrol agent of Matsucoccus feytaudi (Hemiptera: Matsucoccidae)
104
Tavares, C., Centro de Estudos Florestais (CEF), Instituto Superior de Agronomia, University of Lisbon (ISA-UL), Tapada da Ajuda 1349-017 Lisbon, Portugal
Jactel, H., INRA, UMR1202, BIOGECO, F-33610 Cestas, France, Univ Bordeaux, UMR1202, BIOGECO, F-33400 Talence, France
Van Halder, I., INRA, UMR1202, BIOGECO, F-33610 Cestas, France, Univ Bordeaux, UMR1202, BIOGECO, F-33400 Talence, France
Mendel, Z., Department of Entomology, Agricultural Research Organization, 50250 Bet Dagan, Israel
Branco, M., Centro de Estudos Florestais (CEF), Instituto Superior de Agronomia, University of Lisbon (ISA-UL), Tapada da Ajuda 1349-017 Lisbon, Portugal
A case of ecological specialization in ladybirds: Iberorhyzobius rondensis (Coleoptera: Coccinellidae), potential biocontrol agent of Matsucoccus feytaudi (Hemiptera: Matsucoccidae)
Specialization is an important attribute of a biological control agent. The maritime pine bast scale, Matsucoccus feytaudi Ducasse (Hemiptera Matsucoccidae), is an invasive species in Southeast France and the North of Italy. Iberorhyzobius rondensis Eizaguirre (Coleoptera: Coccinellidae), is a recently described ladybird species. Both adults and larvae are predaceous, feeding on egg masses of M. feytaudi, and are strongly attracted to M. feytaudi's sex pheromone. To evaluate the potential of I. rondensis as a biocontrol agent of the scale, we studied its niche breadth and prey range with emphasis on pine forests and hemipterans as tested prey. In this study, I. rondensis was found to achieve complete development only when fed on M. feytaudi egg masses (92.9% survival) and an artificial prey: eggs of Ephestia kuehniella Zeller (27.6% survival). From the 2nd instar onwards, complete development could be achieved using other prey species, although larvae had significantly higher mortality and slower development. In choice tests, M. feytaudi was the preferred prey. Surveys of the ladybird populations in the Iberian Peninsula revealed that it was found exclusively on Pinus pinaster Aiton, the sole host of M. feytaudi. The unusual specialization of I. rondensis, among other predaceous ladybirds, makes it an appropriate candidate for classical biological control of M. feytaudi. Copyright © 2013 Cambridge University Press.
Scientific Publication
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