Kathryn McNamara

Quantifying variation in female internal genitalia: no evidence for plasticity in response to sexual conflict risk in a seed beetle

Blake W Wyber, Liam R Dougherty, Kathryn McNamara, Andrew Mehnert, Jeremy Shaw, Joseph L Tomkins, Leigh W Simmons

Journal article  |  2021  |  PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES

Sexually antagonistic coevolution can drive the evolution of male traits that harm females, and female resistance to those traits...

Age-dependent chemical signalling and its consequences for mate attraction in the gumleaf skeletonizer moth, Uraba lugens

Hieu T Pham, Kathryn B McNamara, Mark A Elgar

Journal article  |  2021  |  ANIMAL BEHAVIOUR

Theoretical models predict that virgin females at risk of not mating should strategically adjust their signalling investment as th..

Socially cued anticipatory adjustment of female signalling effort in a moth

Hieu T Pham, Kathryn B McNamara, Mark A Elgar

Journal article  |  2020  |  Biology Letters

Juvenile population density has profound effects on subsequent adult development, morphology and reproductive investment. Yet, lit..

Males evolve to be more harmful under increased sexual conflict intensity in a seed beetle

Kathryn B McNamara, Nadia S Sloan, Sian E Kershaw, Emile Van Lieshout, Leigh W Simmons

Journal article  |  2020  |  BEHAVIORAL ECOLOGY

One conspicuous manifestation of sexual conflict is traumatic mating, in which male genitalia damage the female during copulation...

Experimental evolution reveals divergence in female genital teeth morphology in response to sexual conflict intensity in a moth.

Kathryn B McNamara, Liam R Dougherty, Nina Wedell, Leigh W Simmons

Journal article  |  2019  |  Journal of Evolutionary Biology

The rapid evolutionary divergence of male genital structures under sexual selection is well documented. However, variation in fema..

Experimental evolution reveals differences between phenotypic and evolutionary responses to population density.

KB McNamara, LW Simmons

Journal article  |  2017  |  J Evol Biol

Group living can select for increased immunity, given the heightened risk of parasite transmission. Yet, it also may select for in..

Sexual conflict and correlated evolution between male persistence and female resistance traits in the seed beetle Callosobruchus maculatus.

Liam R Dougherty, Emile van Lieshout, Kathryn B McNamara, Joe A Moschilla, Göran Arnqvist, Leigh W Simmons

Journal article  |  2017  |  Proc Biol Sci

Traumatic mating (or copulatory wounding) is an extreme form of sexual conflict whereby male genitalia physically harm females dur..

Experimental evolution reveals that population density does not affect moth signalling behaviour and antennal morphology

Kita R Ashman, Kathryn B McNamara, Matthew RE Symonds

Journal article  |  2016  |  EVOLUTIONARY ECOLOGY

Population density can play a vital role in determining investment in reproductive behaviours and morphologies of invertebrates. M..

Male-biased sex ratio does not promote increased sperm competitiveness in the seed beetle, Callosobruchus maculatus.

Kathryn B McNamara, Stephen P Robinson, Márta E Rosa, Nadia S Sloan, Emile van Lieshout, Leigh W Simmons

Journal article  |  2016  |  Sci Rep

Sperm competition risk and intensity can select for adaptations that increase male fertilisation success. Evolutionary responses a..

Rapid loss of behavioral plasticity and immunocompetence under intense sexual selection.

Emile van Lieshout, Kathryn B McNamara, Leigh W Simmons

Journal article  |  2014  |  Evolution

Phenotypic plasticity allows animals to maximize fitness by conditionally expressing the phenotype best adapted to their environme..