scholarly journals Egg-dumping behaviour in the seed beetle Acanthoscelides obtectus (Coleoptera: Chrysomelidae: Bruchinae) selected for early and late reproduction

2009 ◽  
Vol 106 (4) ◽  
pp. 557-563 ◽  
Author(s):  
Darka SESLIJA ◽  
Biljana STOJKOVIC ◽  
Branka TUCIC ◽  
Nikola TUCIC
Keyword(s):  
Acanthoscelides Obtectus ◽  
Seed Beetle ◽  
Egg Dumping

Resistance to prooxidant agent paraquat in the short- and long-lived lines of the seed beetle (Acanthoscelides obtectus)

2013 ◽  
Vol 14 (2) ◽  
pp. 141-152 ◽  
Author(s):  
Jelica Lazarević ◽  
Mirko Đorđević ◽  
Biljana Stojković ◽  
Nikola Tucić
Keyword(s):  
Acanthoscelides Obtectus ◽  
Seed Beetle

scholarly journals Gender differences in longevity in early and late reproduced lines of the seed beetle

2011 ◽  
Vol 63 (1) ◽  
pp. 129-136 ◽  
Author(s):  
Biljana Stojkovic ◽  
U. Savkovic
Keyword(s):  
Gender Differences ◽  
Sexual Selection ◽  
Mortality Rates ◽  
The Other ◽  
Acanthoscelides Obtectus ◽  
Seed Beetle ◽  
Specific Mortality ◽  
Laboratory Populations ◽  
Average Longevity ◽  
The Many

In most animals the average longevity of females is greater than that of males. Among the many explanations of the evolution of sex-specific mortality rates, we tested the hypothesis that sexual selection plays an important role in shaping the longevity and ageing of both sexes. The present study was performed using laboratory populations of Acanthoscelides obtectus, which were obtained either at an early (E) or late (L) age, where the inadvertently created conditions provided opportunities for the evolution of a monogamous and polygamous mating system, respectively. As predicted, under intense sexual selection (L populations) substantial sex differences in longevity were detected both in mated and virgin experimental beetles. On the other hand, monogamy, i.e. relaxation of sexual selection, in E populations resulted in elimination of the differences in longevity between mated females and males, and even led to postponed senescence of virgin males beyond the level exhibited by virgin females.

scholarly journals Ageing and the evolution of female resistance to remating in seed beetles

2005 ◽  
Vol 2 (1) ◽  
pp. 62-64 ◽  
Author(s):  
Alexei A Maklakov ◽  
Natacha Kremer ◽  
Göran Arnqvist
Keyword(s):  
Mating System ◽  
System Parameter ◽  
Late Life ◽  
Direct Selection ◽  
Acanthoscelides Obtectus ◽  
Female Fitness ◽  
Female Resistance ◽  
Seed Beetle ◽  
Female Remating ◽  
Seed Beetles

Female remating behaviour is a key mating system parameter that is predicted to evolve according to the net effect of remating on female fitness. In many taxa, females commonly resist male remating attempts because of the costs of mating. Here, we use replicated populations of the seed beetle Acanthoscelides obtectus selected for either early or late life reproduction and show that ‘Early’ and ‘Late’ females evolved different age-specific rates of remating. Early females were more likely to remate with control males as they aged, while Late females were more resistant to remating later in life. Thus, female remating rate decreases with age when direct selection on late-life fitness is operating and increases when such selection is relaxed. Our findings not only demonstrate that female resistance to remating can evolve rapidly, but also that such evolution is in accordance with the genetic interests of females.

Homosexual behaviour and its longevity cost in females and males of the seed beetle Acanthoscelides obtectus

2010 ◽  
Vol 35 (4) ◽  
pp. 308-316 ◽  
Author(s):  
BILJANA STOJKOVIĆ ◽  
DARKA ŠEŠLIJA JOVANOVIĆ ◽  
BRANKA TUCIĆ ◽  
NIKOLA TUCIĆ
Keyword(s):  
Acanthoscelides Obtectus ◽  
Seed Beetle

scholarly journals Mating behavior in the seed beetle Acanthoscelides obtectus selected for early and late reproduction

2009 ◽  
Vol 20 (3) ◽  
pp. 547-552 ◽  
Author(s):  
Darka Šešlija ◽  
Jelica Lazarević ◽  
Boban Janković ◽  
Nikola Tucić
Keyword(s):  
Mating Behavior ◽  
Acanthoscelides Obtectus ◽  
Seed Beetle
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