Eur. J. Entomol. 111 (4): 588-593, 2014 | DOI: 10.14411/eje.2014.068

Pollen analysis of the crop contents of adult Oedemeridae (Coleoptera) in Bulgaria

Juliana ATANASSOVA, Ognyan SIVILOV
Sofia University "St. Kliment Ohridski", Faculty of Biology, 8 Dragan Tsankov Blvd., BG-1164 Sofia, Bulgaria; e-mail: atanassova_juliana@abv.bg; osivilov@gmail.com

Pollen analysis of crop samples was used to identify the food sources of species of beetles of the family Oedemeridae in Bulgaria. A total of 21 species and subspecies were examined; pollen was present in the crops of 18 of the species. Our study is the first to provide information on the food sources of four species and subspecies: Chrysanthia varipes varipes, Anogcodes seladonius turcicus, A. ruficollis and Oedemera flavicans. New data on food sources for many of the other species studied was obtained and feeding on pollen of gymnosperms and honeydew by some of the species was confirmed. Possible mechanisms for digesting pollen are discussed. There was no evidence of either the pollen germinating or being predigested in the crop of the beetles.

Keywords: . Coleoptera, Oedemeridae, adults, pollen analysis, food plant spectrum

Received: July 9, 2013; Accepted: May 29, 2014; Prepublished online: August 19, 2014; Published: October 1, 2014

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