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. 2015 Jun 25;9:226. doi: 10.3389/fnins.2015.00226

Figure 1.

Figure 1

Number of publications per year containing the terms allomone, kairomone, or synomone in their topic. The narrow, black line shows their use overall since their coinage in the 1970's (N = 2635 publications) found in a search made in January 2015 in Topic (which includes words in title, keywords, and abstract) in Web of Science™ (ver. 5.16.1; Thomson Reuters © 2015). The bold, red line shows the number of publications among these, which includes vertebrate species (N = 184). Of these, 98 were concerned with kairomones emitted by vertebrates (mainly humans, as well as dogs, ruminants, hedgehogs, poultry, snakes, and penguins) attracting biting or stinging insects (mainly mosquitoes, as well as midges, mites, bed bugs, ticks, tsetse flies, and wasps). Only 32 publications concerning odor-based behavioral responses in vertebrate species were found when searching on any of these three terms.