Diverging patterns of host use by phytophagous insects in relation to leaf pubescence in Arbutus xalapensis (Ericaceae)

E. Ezcurra; J. C. Gómez; J. Becerra

doi:10.1007/BF00377583

Diverging patterns of host use by phytophagous insects in relation to leaf pubescence in Arbutus xalapensis (Ericaceae)

E. Ezcurra, J. C. Gómez, J. Becerra

Research output: Contribution to journal › Article › peer-review

16 Scopus citations

Abstract

Foliar pubescence in the mexican madrone (Arbutus xalapensis H.B.K.) is an extremely variable character. Leaf specimens of pilose and glabrous madrones showed a similar composition of major secondary compounds. On the other hand, sympatric pilose and glabrous individuals were found to support significantly different insect guilds. Insect preference was strongly associated to mouthpart anatomy. Chewing and gall-forming insects were significantly more abundant on glabrous trees while sucking insects were more common on pilose trees. Additionally, parasitation of sucking insects was lower on pilose trees, possibly because the plant trichomes provide protection against parasitoids.

Original language	English (US)
Pages (from-to)	479-480
Number of pages	2
Journal	Oecologia
Volume	72
Issue number	3
DOIs	https://doi.org/10.1007/BF00377583
State	Published - Jun 1987
Externally published	Yes

Keywords

Herbivory
Plant trichomes

ASJC Scopus subject areas

Ecology, Evolution, Behavior and Systematics

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10.1007/BF00377583

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title = "Diverging patterns of host use by phytophagous insects in relation to leaf pubescence in Arbutus xalapensis (Ericaceae)",

abstract = "Foliar pubescence in the mexican madrone (Arbutus xalapensis H.B.K.) is an extremely variable character. Leaf specimens of pilose and glabrous madrones showed a similar composition of major secondary compounds. On the other hand, sympatric pilose and glabrous individuals were found to support significantly different insect guilds. Insect preference was strongly associated to mouthpart anatomy. Chewing and gall-forming insects were significantly more abundant on glabrous trees while sucking insects were more common on pilose trees. Additionally, parasitation of sucking insects was lower on pilose trees, possibly because the plant trichomes provide protection against parasitoids.",

keywords = "Herbivory, Plant trichomes",

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year = "1987",

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language = "English (US)",

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T1 - Diverging patterns of host use by phytophagous insects in relation to leaf pubescence in Arbutus xalapensis (Ericaceae)

AU - Ezcurra, E.

AU - Gómez, J. C.

AU - Becerra, J.

PY - 1987/6

Y1 - 1987/6

N2 - Foliar pubescence in the mexican madrone (Arbutus xalapensis H.B.K.) is an extremely variable character. Leaf specimens of pilose and glabrous madrones showed a similar composition of major secondary compounds. On the other hand, sympatric pilose and glabrous individuals were found to support significantly different insect guilds. Insect preference was strongly associated to mouthpart anatomy. Chewing and gall-forming insects were significantly more abundant on glabrous trees while sucking insects were more common on pilose trees. Additionally, parasitation of sucking insects was lower on pilose trees, possibly because the plant trichomes provide protection against parasitoids.

AB - Foliar pubescence in the mexican madrone (Arbutus xalapensis H.B.K.) is an extremely variable character. Leaf specimens of pilose and glabrous madrones showed a similar composition of major secondary compounds. On the other hand, sympatric pilose and glabrous individuals were found to support significantly different insect guilds. Insect preference was strongly associated to mouthpart anatomy. Chewing and gall-forming insects were significantly more abundant on glabrous trees while sucking insects were more common on pilose trees. Additionally, parasitation of sucking insects was lower on pilose trees, possibly because the plant trichomes provide protection against parasitoids.

KW - Herbivory

KW - Plant trichomes

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ER -

Diverging patterns of host use by phytophagous insects in relation to leaf pubescence in Arbutus xalapensis (Ericaceae)

Abstract

Keywords

ASJC Scopus subject areas

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