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109 Newest Publications in chemoecology
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Sequestered defensive toxins in tetrapod vertebrates: principles, patterns, and prospects for future studies
04-08-2012 | Alan H. Savitzky, Akira Mori, Deborah A. Hutchinson, Ralph A. Saporito, Gordon M. Burghardt, Harvey B. Lillywhite, J ..., Chemoecology, 2012
Chemical defenses are widespread among animals, and the compounds involved may be either synthesized from nontoxic precursors or sequestered from an environmental source. Defensive sequestration has been studied extensively among invertebrates, but relatively few examples have been documented ...
Sequestration of defensive toxins by tetrapod vertebrates: contributions in memory of John W. Daly
04-08-2012 | Alan H. Savitzky, Ralph A. Saporito, Chemoecology, 2012
Sequestration of defensive toxins by tetrapod vertebrates: contributions in memory of John W. Daly Content Type Journal Article Category Obituary Pages 1-2 DOI 10.1007/s00049-012-0111-0 Authors Alan H. Savitzky, Department of Biology, Utah State University, Logan, UT 84322-5305, ...
Screening and field evaluation of synthetic volatile blends attractive to adults of the tea weevil, Myllocerinus aurolineatus
18-07-2012 | Xiao-Ling Sun, Guo-Chang Wang, Yu Gao, Zong-Mao Chen, Chemoecology, 2012
Plant volatiles are known to play a role in host location in many herbivorous insects. Although a few studies have determined the role of specific chemicals from herbivore-induced plant volatiles (HIPVs) in mediating interactions between conspecifics in insects belonging to Curculionidae, ...
Selective sequestration of cardenolide isomers by two species of Danaus butterflies (Lepidoptera: Nymphalidae: Danainae)
21-06-2012 | Dietrich Mebs, Moritz G. Wagner, Stefan W. Toennes, Cora Wunder, Michael Boppré, Chemoecology, 2012
Several species of milkweed butterflies (Danaini) are known to sequester cardenolides from their milkweed host plants. In adults of Danaus plexippus and D. gilippus, jointly raised on Asclepias curassavica (Asclepiadaceae), two host-plant cardenolides (calotropin and calactin) were found in ...
‘Push’ and ‘pull’ responses by fig wasps to volatiles released by their host figs
30-05-2012 | Ding Gu, Stephen G. Compton, Yanqiong Peng, Darong Yang, Chemoecology, 2012
In the specific mutualism between fig trees (Ficus) and their obligate pollinating fig wasps (Agaonidae), it is crucial that fig wasps can recognize the developmental stages of their host figs. However, the responses of fig wasps to volatiles released from figs during their developmental ...
The occurrence of defensive alkaloids in non-integumentary tissues of the Brazilian red-belly toad Melanophryniscus simplex (Bufonidae)
09-05-2012 | Taran Grant, Patrick Colombo, Laura Verrastro, Ralph A. Saporito, Chemoecology, 2012
The red-belly toads (Melanophryniscus) of southern South America secrete defensive alkaloids from dermal granular glands. To date, all information on Melanophryniscus alkaloids has been obtained by extraction from either skins or whole organisms; however, in other amphibians, tetrodotoxins, ...
Differing patterns of sequestration of iridoid glycosides in the Mecininae (Coleoptera, Curculionidae)
02-03-2012 | Christian Ulrich Baden, Stephan Franke, Susanne Dobler, Chemoecology, 2012
We analyzed several species of the weevil family Mecininae (Coleoptera, Curculionidae) that all feed on iridoid glycoside (IG) containing plants of the Plantaginaceae to investigate whether the beetles sequester these deterrent substances from their host plants. Within the Mecininae two ...
Species-specific responses of herbivores to within-plant and environmentally mediated between-plant variability in plant chemistry
08-02-2012 | Bettina Gutbrodt, Silvia Dorn, Sybille B. Unsicker, Karsten Mody, Chemoecology, 2012
Allocation of resources to growth and defense against herbivores crucially affects plant competitiveness and survival, resulting in a specific distribution of assimilates and defense compounds within plant individuals. Additionally, plants rarely experience stable environmental conditions, ...
Chemical camouflage of the slave-making ant Polyergus samurai queen in the process of the host colony usurpation (Hymenoptera: Formicidae)
24-01-2012 | Yousuke Tsuneoka, Toshiharu Akino, Chemoecology, 2012
Founding queens of the obligatory social parasite ant Polyergus samurai usurp the host ant Formica japonica colony. The aggressive behaviors of F. japonica workers on the parasite queen disappear after the parasite queen kills the resident queen. To determine whether the parasite queen ...
Interpopulational variation in chemosensory responses to selected steroids from femoral secretions of male lizards, Podarcis hispanica, mirrors population differences in chemical signals
30-12-2011 | Marianne Gabirot, Pilar López, José Martín, Chemoecology, 2011
Chemical signals are important for mate and species recognition. If variation in chemical signals occurs between populations of the same species, these differences could later preclude mating between populations and lead to speciation. In the Iberian wall lizard, Podarcis hispanica, the ...
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