Gelae () is a genus of round fungus beetles belonging to the family Leiodidae. The beetles are found in different parts of Central and North America. They are small and rounded, feeding on slime moulds. They were originally placed in the genus Agathidium following the discovery of the first species, G. cognatum, in 1878. The taxonomic position was revised with description of new species in 2004 by American entomologists Kelly B. Miller and Quentin D. Wheeler. Upon creation of the new genus, the five new species are Gelae baen (sounding like "jelly bean"), G. belae ("jelly belly"), G. donut ("jelly doughnut"), G. fish ("jelly fish"), and G. rol ("jelly roll").

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