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Identification of the Airborne Aggregation Pheromone of the Common Bed Bug, Cimex lectularius
Of 14 compounds with >100 pg abundance in gas chromatography–mass spectrometry analyses of two bioactive fractions, 10 compounds proved to be essential components of the C. lectularius airborne aggregation pheromone.
Dynamics of pheromone production and communication in the mountain pine beetle, Dendroctonus ponderosae Hopkins, and the pine engraver, Ips pini (Say) (Coleoptera: Scolytidae)
Termination of aggregation in D. ponderosae appears to depend on the production of frontalin in combination with changes in the relative ratios of verbenone, exo-brevicomin, trans-verbenol and 2-phenylethanol, and in I. pini, the cessation of ipsdienol production by males is probably the main factor in terminating aggregation.
Chemical and behavioral ecology of palm weevils (Curculionidae: Rhynchophorinae).
Potential exists for pheromone-based mass-trapping of weevils to reduce their populations and the spread of the weevil-vectored red ring disease, for monitoring their population dynamics to facilitate pest management decisions, and for detection and possible interception of non-native weevil at ports of entry.
Quantitative variation in monoterpenes in four species of conifers
The pathogen causing Dutch elm disease makes host trees attract insect vectors
- G. McLeod, R. Gries, G. Gries
- Environmental ScienceProceedings of the Royal Society B: Biological…
- 7 December 2005
Four semiochemicals from diseased American elms, Ulmus americana, synergistically attract H. rufipes and sesquiterpene emission is upregulated in elm trees inoculated with O. novo-ulmi, which manipulates host trees to enhance their apparency to foraging beetles.
KAIROMONAL RESPONSE BY FOUR Monochamus SPECIES (COLEOPTERA: CERAMBYCIDAE) TO BARK BEETLE PHEROMONES
- J. Allison, J. Borden, R. Mcintosh, P. de Groot, R. Gries
- BiologyJournal of Chemical Ecology
- 1 April 2001
We investigated the hypothesis that wood-boring beetles in the genus Monochamus (Cerambycidae) utilize pheromones of sympatric bark beetles as host-finding kairomones. All nine bark beetle pheromones…
Green leaf volatiles as antiaggregants for the mountain pine beetle,Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae)
It is suggested that green leaf alcohols are promising disruptants which may be used to supplement the antiaggregation pheromone, verbenone, in protecting single high-value trees as well as carefully selected stands with low-level populations of MPBs.
Aggregation pheromones of two asian palm Weevils,Rhynchophorus ferrugineus andR. vulneratus
A survey of antennal responses by five species of coniferophagous bark beetles (Coleoptera: Scolytidae) to bark volatiles of six species of angiosperm trees
The large number of antennally-active compounds detected in common by numerous bark beetles and present in common in numerous nonhost trees supports the hypothesis of olfaction-based recognition and avoidance of nonhost angiosperm trees during the process of host selection by coniferophagous bark beetles.
Volatiles from the bark of trembling aspen, Populus tremuloides Michx. (Salicaceae) disrupt secondary attraction by the mountain pine beetle, Dendroctonus ponderosae Hopkins (Coleoptera: Scolytidae)
- J. Borden, I. Wilson, R. Gries, L. Chong, Jr. Harold D. Pierce, G. Gries
- 1 July 1998
The results support the hypothesis that such bark beetles are adapted to recognize and avoid non-host angiosperm trees by responding to a broad spectrum of volatiles that can act in various blends with equal effect.