2024-03-28T20:05:43Zhttp://digital.csic.es/dspace-oai/requestoai:digital.csic.es:10261/1221022018-09-15T00:53:09Zcom_10261_11com_10261_6col_10261_264
Effects of tree species diversity and genotypic diversity on leafminers and parasitoids in a tropical forest plantation
Abdala-Roberts, Luis
González-Moreno, Alejandra
Mooney, Kailen A.
Moreira Tomé, Xoaquín
González-Hernández, Alejandro
Parra-Tabla, Víctor
Enemies hypothesis
Genotypic diversity
Herbivory
Parasitoids
Species diversity
Tritrophic interactions
1. The effects of tree diversity on herbivore–enemy interactions have received relatively little attention and even fewer studies have compared the relative influence of tree intra- versus interspecific diversity on such dynamics.
2. We evaluated the effects of mahogany (Swietenia macrophylla) genotypic diversity and tree species diversity on parasitoid attack and species richness associated with Phyllocnistis meliacella, a specialist herbivore on mahogany, in a forest diversity experiment consisting of 74 plots (21 × 21 m2; 64 plants/plot). We sampled 34 of such plots classified as: mahogany monocultures of one maternal family (i.e. genotype), mahogany monocultures of four families and polycultures of four species (including mahogany). We surveyed leafminer abundance and collected mined leaves to estimate parasitism and parasitoid species richness.
3. Leafminer abundance was not influenced by either type of diversity. Similarly, there were no effects of genotypic diversity or species diversity on parasitism or parasitoid species richness. Plant diversity effects on parasitoids were probably absent because the species attacking P. meliacella are dietary generalists that likely recruited to multiple host species (in addition to P. meliacella) and their responses to diversity could have cancelled each other out.
4. Future work should explicitly investigate how predator and parasitoid traits mediate the effects of plant diversity on tritrophic interactions.
2015-09-15T10:28:28Z
2015-09-15T10:28:28Z
2015-09
artículo
Agricultural and Forest Entomology 18 (1): 43-51 (2015)
1461-9555
http://hdl.handle.net/10261/122102
10.1111/afe.12132
1461-9563
eng
Postprint
http://dx.doi.org/10.1111/afe.12132
Sí
openAccess
Wiley-Blackwell