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Male monarch butterflies, Danaus plexippus, adjust ejaculates in response to intensity of sperm competition
- 2009
MIchelle Solensky and Karen Oberhauser
Solensky, M.S. and K. S. Oberhauser. 2009. Male monarch butterflies (Danaus plexippus) adjust their ejaculates in response to risk and intensity of sperm competition. Animal Behavior 77:465-472.
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Sperm precedence in monarch butterflies (Danaus plexippus)
- 2009
Michelle J. Solensky and Karen S. Oberhauser
Solensky, M.S. and K. S. Oberhauser. 2009. Sperm precedence in monarch butterflies (Danaus plexippus). Behavioral Ecology, doi: 10.1093/beheco/arp003
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Monarch sex: ancient rites, or recent wrongs?
- 2007
Lincoln P. Brower, Karen S. Oberhauser, Michael Boppré, Andrew V.Z. Brower and R.I. Vane-Wright
Brower, L., K. Oberhauser, M. Boppré, A.V.Z. Brower, R.I. Vane-Wright. 2007. Monarch sex: Ancient rites, or recent wrongs? Antenna 31: 12-18.
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Overview of Monarch Breeding Biology
- 2004
Karen S. Oberhauser
Oberhauser, K. 2004. Overview of Monarch Breeding Biology. Pp. 3-8. In Oberhauser, K.S. & M.J. Solensky, eds. The Monarch Butterfly: Biology and Conservation. Cornell University Press. Ithaca NY.
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Effects of Female Age, Female Mass, and Nutrients from Males on Monarch Egg Mass
- 2004
Karen S. Oberhauser
Oberhauser, K.S. 2004. Effects of female age, female mass and nutrients from males on monarch egg mass. Pp. 21-26. In: Oberhauser, K.S. and M.J. Solensky, eds. The Monarch Butterfly: Biology and Conservation. Cornell University Press. Ithaca NY.
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Behavioral and Genetic Components of Male Mating Success in Monarchs
- 2004
Michelle J. Solensky and Karen S. Oberhauser
Solensky, M. J. and K. S. Oberhauser. 2004. Behavioral and genetic components of male mating success in monarch butterflies. Pp. 61-68. In: Oberhauser, K.S. and M.J. Solensky, eds. The Monarch Butterfly: Biology and Conservation. Cornell University Press. Ithaca NY.
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Effects of photoperiod, temperature, and host plant age on induction of reproductive diapause and development time in Danaus plexippus
- 2002
Liz Goehring and Karen Oberhauser
Goehring, L. & Oberhauser, K.S. 2002. Effects of photoperiod, temperature and host plant age on induction of reproductive diapause and development time in Danaus plexippus. Ecol. Entom. 27:674-685.
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Coercive mating by overwintering male monarch butterflies
- 1999
Karen Oberhauser and Dennis Frey
Oberhauser, K.S. and D. Frey. 1999. Coerced mating in monarch butterflies. Proceedings of the North American conference on the Monarch Butterfly, pp.67-78. Hoth, J, I. Pisanty, K. Oberhauser, L. Merino and S. Price, editors. Commission for Environmental Cooperation: Montreal, QC.
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Environmental induction of reproductive diapause in Danaus plexippus
- 1999
Liz Goehring and Karen S. Oberhauser
Goehring, L. and Oberhauser, K.S. 1999. Environmental induction of reproductive diapause in Danaus plexippus. Proceedings of the North American conference on the Monarch Butterfly, pp. 349-354. Hoth, J., I. Pisanty, K. Oberhauser, L. Merino and S. Price, editors. Commission for Environmental Cooperation: Montreal, QC.
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Mate paring patterns of monarch butterflies (Danaus plexippus L.) at a California overwintering site
- 1998
Dennis Frey, Kingston Leong, Eric Peffer, Robert K. Smidt, and Karen Oberhauser
Frey, D., K.L.H. Leong, E. Peffer, R.K. Smidt, K.S. Oberhauser. 1998. Mating patterns of overwintering monarch butterflies (Danaus plexippus (L.)) in California. J. Lepid. Soc. 52: 84-97.
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Fecundity, Lifespan and Egg Mass in Butterflies: Effects of Male-Derived Nutrients and Female Size
- 1997
Karen S. Oberhauser
Oberhauser, K. S. 1997. Fecundity and egg mass of monarch butterflies: effects of age, female size and mating history. Func. Ecol. 11(2): 166-175.
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The Relationship Between Mating and Oogenesis In Monarch Butterflies (Lepidoptera: Danainae)
- 1995
Karen S. Oberhauser and Rachel Hampton
Oberhauser, K. S. and R. Hampton. 1995. Relationship between mating and oogenesis in monarch butterflies. J. Ins. Behav. 8:701-713.
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Rate of ejaculate breakdown and intermating intervals in monarch butterflies
- 1992
Karen S. Oberhauser
Oberhauser, K. S. 1992. Rate of ejaculate breakdown and intermating intervals in monarch butterflies. Behav. Ecol. Sociobiol. 31:367-373.
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Effects of spermatophores on male and female monarch butterfly reproductive success
- 1989
Karen S. Oberhauser
Oberhauser, K. S. 1989. Effects of spermatophores on male and female monarch butterfly reproductive success. Behav. Ecol. Sociobiol. 25:237-246.
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Lack of Rare-Male Mating Effect Using bw and st Drosophila melanogaster Mutants
- 1988
Karen S. Oberhauser
Oberhauser, K. S. 1988. Lack of rare-male mating effect in bw and st Drosophila melanogaster mutants. Amer. Nat. 131:143-148.
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Male monarch butterfly spermatophore mass and mating strategies
- 1988
Karen S. Oberhauser
Oberhauser, K. S. 1988. Male monarch butterfly spermatophore mass and mating strategies. Anim. Behav. 36:1384-1388.
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Factors that Affect Reproductive Success in Male and Female Monarchs
Dr. Karen Oberhauser
University of Minnesota,
Saint Paul,
MN