Journal of Chemical Ecology
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Altered Constitutive and Inducible Phloem Monoterpenes Following Natural Defoliation of Jack Pine: Implications to Host Mediated Interguild ...
Do defensive chemicals facilitate intraguild predation and influence invasion success in ladybird beetles?
We identified defensive chemicals from eggs of three congeneric species, one introduced into North America (Coccinella septempunctata L.), and two native (C. transversoguttata richardsoni Brown, and C. novemnotata Herbst), and examined the effects of ingested defensive chemicals on first instars. In...
Identification of host blends that attract the African invasive fruit fly, Bactrocera invadens.
We sought to find attractants from hosts of B. invadens that could serve as baits in traps for monitoring and management of this pest. The attractiveness of volatiles from four different fruit species (mango, guava, banana and orange) at two stages of ripeness (ripe or unripe) was tested in an olfac...
Phytohormone dynamics associated with gall insects, and their potential role in the evolution of the gall-inducing habit.
We review and synthesize recent literature on auxin, cytokinins, and abscisic, jasmonic, and salicylic acids to provide a broader understanding of how these phytohormones might effect gall production, help plants defend against galls, and/or allow insects to overcome host-plant defenses. After revie...
CE: Chemical Ecology as Cultural Evolution.
Sex-specific trail pheromone mediates complex mate finding behavior in Anoplophora glabripennis.
We isolated four chemicals from the trail of A. glabripennis virgin and mated females that were not present in trails of mature males. These compounds were identified as 2-methyldocosane and (Z)-9-tricosene (major components), as well as (Z)-9-pentacosene and (Z)-7-pentacosene (minor components); ev...
Differences in vole preference, secondary chemistry and nutrient levels between naturally regenerated and planted Norway spruce seedlings.
We experimentally investigated vole preference for winter-dormant, naturally regenerated seedlings; spring-planted seedlings; or autumn-planted seedlings; and how preference corresponds with seedling chemistry. Voles showed the highest preference for autumn-planted seedlings and the second highest f...
Spatial and temporal instability of local biotic community mediate a form of aposematic defense in newts, consisting of carotenoid-based col...
We investigated the relationship between the conspicuousness of an aposematic signal and toxicity, which likely depends, at least in part, on dietary sources, in the newt Cynops pyrrhogaster. Our results indicate that the magnitude of the aposematic signal was not correlated with the amount of tetro...