ENERGY STRATEGY. “Parthenogenesis is a fast way to consume a rich repository of free energy, e.g., an ample stock of food with a large number of individuals, whereas sexual reproduction is a fast way to consume diverse and dispersed resources with a large variety of individuals.” (Parthenogenesis is a type of asexual reproduction in which the offspring develops from unfertilized eggs).
http://www.sciencedirect.com/science/article/pii/S0303264712001700