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Histological study of the spermatheca in three thelytokous parthenogenetic ant species , Pristomyrmex punctatus , Pyramica membranifera and Monomorium triviale ( Hymenoptera : Formicidae )

• Ayako Gotoh, Johan P J Billen, Kazuki Tsuji, Tomonori Sasaki, Fuminori Ito
• 2011

The evolution of obligate parthenogenesis may induce the degeneration of female mating ability and subsequently affect the morphology of the female reproductive organs related to mating and ⁄ or… (More)

Behavioral property of unusual large workers in the ant, Pristomyrmex pungens

• Tomonori Sasaki, Kazuki Tsuji
• Journal of Ethology
• 2003

We surveyed the behavioral properties of unusual large workers in the parthenogenetic queenless ant, Pristomyrmex pungens. The majority of colonies mostly consist of monomorphic workers, which have… (More)

Cheater genotypes in the parthenogenetic ant Pristomyrmex punctatus.

• Shigeto Dobata, Tomonori Sasaki, Hideaki Mori, Eisuke Hasegawa, Masakazu Shimada, Kazuki Tsuji
• Proceedings. Biological sciences
• 2009

Cooperation is subject to cheating strategies that exploit the benefits of cooperation without paying the fair costs, and it has been a major goal of evolutionary biology to explain the origin and… (More)

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