The mechanisms by which the very small M. selenion avoids predation by C. melanurum and C. annulata are analyzed. These are: (1) difference in perching site; – (2) C. selenion’s remaining perched immobile for long periods; – (3) difference in place of maximal activity; — (4) non-overlapping periods of maximal activity; – (5) simple escape.


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Societas Internationalis Odonatologica

K. Mizuta. (1974). Ecological and behavioral isolation among Mortonagrion selenion Ris, Ceriagrion melanurum Selys, and Copera annulata (Selys) (Zygoptera: Coenagrionidae, Platycnemididae). Odonatologica, 3(4), 231–239.