Patterns of attack by herbivores on the tropical shrub Bauhinia brevipes (Leguminosae): Vigour or chance?

Title:

Patterns of attack by herbivores on the tropical shrub Bauhinia brevipes (Leguminosae): Vigour or chance?

Creator:

Cornelissen , Tatiana Garabini and Fernandes, G. Wilson

Identifier:

https://cdk.lib.cas.cz/client/handle/uuid:1b6ff169-e336-458a-90c0-01d50ed63726
uuid:1b6ff169-e336-458a-90c0-01d50ed63726

Subject:

Herbivores, chewing insects, galling insects, Curculionidae, Pantomorus, Naupactus, Cecidomyiidae, Contarinia, Leguminosae, Bauhinia, and plant vigour hypothesis

Type:

article, model:article, and TEXT

Description:

The plant vigour hypothesis (PVH) predicts that females of galling insects preferentially oviposit on the most vigorous plants or plant modules, where their offspring's performance is highest. In the years 1995 to 1998, we evaluated the responses of species of two different guilds, two chewing species, Pantomorus sp. and Naupactus lar (Coleoptera: Curculionidae) and one galling species, Contarinia sp. (Diptera: Cecidomyiidae), to the length of shoots that were assumed to show the vigour of the tropical shrub Bauhinia brevipes (Leguminosae). The abundance of the chewing herbivores was not influenced by shoot length, since attack rates were randomly distributed among shoot length classes. The abundance of Contarinia galls increased with increasing shoot length, as proposed by the PVH. However, when we related the attack rate to unit length of shoot (cm), which denotes the resource availability per unit length, there was no effect of shoot length on Contarinia sp. These data corroborate the idea of a continuum of responses to plant quality, even when different herbivores feed on the same host plant.

Language:

English

Rights:

http://creativecommons.org/publicdomain/mark/1.0/
policy:public

Source:

European Journal of Entomology | 2001 Volume:98 | Number:1

Harvested from:

CDK

Metadata only:

false