Abstract
Scottolana canadensis is distributed widely along the east coast of North America. Although males exhibited mating behavior with females copepodites, copulation occurred following the female terminal molt. Crossing experiments revealed that in some cases, male mating behavior decreased with increasing latitudinal distance of male and female source locales. However, latitudinally-related differences in copepod body size most likely did not contribute to variation in male mating behavior. Survival patterns of fertilized eggs and fertility of offspring revealed postzygotic reproductive isolation of Florida populations from all others collected north to Maine.
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Lonsdale, D.J., Levinton, J.S. & Rosen, S. Reproductive compatibility among latitudinally separated Scottolana canadensis (Willey) (Harpacticoida). Hydrobiologia 167, 469–476 (1988). https://doi.org/10.1007/BF00026341
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DOI: https://doi.org/10.1007/BF00026341