Specialized predation on arthropod eggs in the myrmicine ant <i>Calyptomyrmex rectopilosus</i><i> </i>collected in northern Vietnam, with a description of new species of <i>Calyptomyrmex</i><i> </i>from Bogor, West Java, Indonesia

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  • Specialized predation on arthropod eggs in the myrmicine ant Calyptomyrmex rectopilosus collected in northern Vietnam, with a description of new species of Calyptomyrmex from Bogor, West Java, Indonesia

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Abstract

<p>The foraging and feeding behaviors were observed for the myrmicine ant Calyptomyrmex rectopilosus collected in northern Vietnam. C. rectopilosus was found to be a specialized predator on the arthropod eggs, and the queen fed on trophic eggs and engaged in oral trophallaxis with workers. Unlike Calyptomyrmex nitidiusculus sp. nov. [referred to as Calyptomyrmex sp. in the paper by Ito (2001)] observed in Bogor, West Java, Indonesia, workers of C. rectopilosus never showed larval hemolymph feeding. The behavioral response to cricket eggs was also observed for 13 omnivorous and/or predatory ants, and compared with that of C. rectopilosus. Calyptomyrmex nitidiusculus sp. nov., is described based on the worker, queen and male collected in the Bogor Botanical Gardens, West Java, Indonesia.</p>

Journal

  • Tropics

    Tropics 32 (2), 65-72, 2023-12-01

    JAPAN SOCIETY OF TROPICAL ECOLOGY

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