Suitability of C alifornia bay laurel and other species as hosts for the non‐native redbay ambrosia beetle and granulate ambrosia beetle
Abstract The redbay ambrosia beetle Xyleborus glabratus E ichhoff is a non‐native vector of the pathogen that causes laurel wilt, a deadly disease of trees in the family L auraceae in the southeastern U.S.A. Concern exists that X. glabratus and its fungal symbiont could be transported to the western...
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Published in | Agricultural and forest entomology Vol. 15; no. 3; pp. 227 - 235 |
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Main Authors | , , , , , , |
Format | Journal Article |
Language | English |
Published |
01.08.2013
|
Online Access | Get full text |
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Summary: | Abstract
The redbay ambrosia beetle
Xyleborus glabratus
E
ichhoff is a non‐native vector of the pathogen that causes laurel wilt, a deadly disease of trees in the family
L
auraceae in the southeastern
U.S.A.
Concern exists that
X. glabratus
and its fungal symbiont could be transported to the western
U.S.A
. and cause damage to
C
alifornia bay laurel
Umbellularia californica
(
H
ook. &
A
rn.)
N
utt. in
C
alifornia and
W
ashington.
The present study evaluated in‐flight attraction, attack density and emergence of
X. glabratus
and another invasive ambrosia beetle
Xylosandrus crassiusculus
(
M
otschulsky) on cut bolts of
C
alifornia bay laurel and eight related tree species in an infested forest in
S
outh
C
arolina.
Xylosandrus crassiusculus
is not a vector of the laurel wilt pathogen but is a pest of nursery and ornamental trees.
Mean catch of
X. glabratus
on
C
alifornia bay laurel bolts was not significantly different from catches on bolts of known
X. glabratus
hosts sassafras
Sassafras albidum
(
N
utt.)
N
ees and swampbay
Persea palustris
(
R
af.)
S
arg. Mean attack density and adult emergence of both beetle species from
C
alifornia bay laurel was equal to or greater than all other tree species tested. Both beetle species readily produced brood in
C
alifornia bay laurel bolts.
The results obtained in the present study suggest that
C
alifornia bay laurel may be negatively impacted by both of these invasive ambrosia beetles if they become established in the tree's native range. |
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ISSN: | 1461-9555 1461-9563 |
DOI: | 10.1111/afe.12009 |