Evolution of micropyles in dragonfly eggs (Anisoptera)
Odonatologica , Volume 19 - Issue 3 p. 235- 241
In a series of Anisoptera eggs examined, the number of micropyles per egg generally decreased from 14 in Petaluridae to 2 in Libellulidae, and a tendency to concentrate micropyles at the tip of a micropylar stalk was noted. Both of these features may allow more efficient and rapid fertilization of eggs as they are laid.
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J.J. Becnel, & S.W. Dunkle. (1990). Evolution of micropyles in dragonfly eggs (Anisoptera). Odonatologica, 19(3), 235–241.
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