Gerhard Gottsberger, Ilse Silberbauer-Gottsberger, Olfactory and Visual Attraction of Erioscelis emarginata (Cyclocephalini, Dynastinae) to the Inflorescences of Philodendron selloum (Araceae), Biotropica, Vol. 23, No. 1 (Mar., 1991), pp. 23-28
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Gottsberger et al. (1991) studied this question.
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