sex allocation
A model-based test of the efficacy of a simple rule for predicting adaptive sex allocation
... when sex-specific dispersal and sex allocation coevolve the SAR always ...the sex-specific costs of dispersal, the SAR is a better predictor of allocation ...
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Differential gene expression is not required for facultative sex allocation : a transcriptome analysis of brain tissue in the parasitoid wasp Nasonia vitripennis
... of sex allocation behaviour in the parasitoid wasp Nasonia ...offspring sex ratio in line with Hamilton’s theory of local mate competition ...underlying sex allocation is ...
8
Self fertilization, sex allocation and spermatogenesis kinetics in the hypodermically inseminating flatworm Macrostomum pusillum
... the sex allocation assay, total testes area, total ovaries area, sex allocation and seminal vesicle area were separately treated as the dependent variables, treatment group as the predictor ...
10
Temperature, age of mating and starvation determine the role of maternal effects on sex allocation in the mealybug Planococcus citri
... of sex allocation were generally similar to (or more female-biased than) the beginning of the oviposition period for “standard” ...with sex allocation pattern; rather, it is when during the ...
11
The effect of sex-allocation biasing on the evolution of worker policing in hymenopteran societies
... facultative sex-allocation biasing on our predictions is best understood by considering the two types of colony, low paternity and high paternity, ...bias allocation to ...male-biased sex ...
10
Sex Allocation Patterns across Cooperatively Breeding Birds Do Not Support Predictions of the Repayment Hypothesis
... Unpredictable environments. Adaptive sex allocation in Seychelles warblers relies on assessment of environmental quality. Philopatric females are overproduced only on territories with sufficient food ...
42
Reproductive success, dimorphism and sex allocation in the brown falcon Falco berigora
... This project describes various aspects of the breeding ecology and behaviour of the brown falcon Falco berigora, a common but poorly study Australian raptor. In particular it examines (a) the main influences on ...
9
Testing the predictions of sex allocation hypotheses in dimorphic, cooperatively breeding riflemen
... brood sex ratio inf uenced in - vestment by carers, and whether any potential adaptive cues were associated with adaptive sex allocation in ...brood sex ratio (numeric: proportion of males) as ...
10
Beyond sex allocation : the role of mating systems in sexual selection in parasitoid wasps
... influences sex allocation strategies, pro- ducing a prodigious body of work (Hamilton, 1967, 1979; Charnov, 1982; King, 1996; Godfray, 1994; most recently summarised by West, ...and sex ...
29
Sexual conflict in action: An antagonistic relationship between maternal and paternal sex allocation in the tammar wallaby, Notamacropus eugenii
... Due to the free‐living nature of the focal male tammar wallabies in this study, we are unable to attribute biases in sperm sex ratio to any individual factor. Our data suggest that sperm SR are not re‐ lated to ...
9
Oviposition but not sex allocation is associated with transcriptomic changes in females of the parasitoid wasp Nasonia vitripennis
... of sex allocation behavior in the parasitoid wasp Nasonia vitripennis using a transcriptomics ...offspring sex in line with the local mate competition (LMC) ...Female-biased sex ratios are ...
8
Sex allocation theory reveals a hidden cost of neonicotinoid exposure in a parasitoid wasp
... Sex allocation theory explains the evolution of how organisms allocate invest- ment into male or female offspring ...of sex ratio variation across organ- isms as diverse as microbes to humans ...of ...
6
Sex Allocation Patterns across Cooperatively Breeding Birds Do Not Support Predictions of the Repayment Hypothesis
... helping sex at the population level and no evidence for facultative adjustment of brood sex ratios in response to any cues (Kingma et ...each sex will also depend on dif fi cult-to-measure com- ...
10
Disentangling sex allocation in a viviparous reptile with temperature dependent sex determination: a multifactorial approach
... examine sex allocation in the viviparous skink, Niveoscincus ocellatus (Gray, ...offspring sex is affected by tempera- ture in this species (Wapstra et ...offspring sex to temperature, then, ...
15
Simultaneous failure of two sex allocation invariants : implications for sex ratio variation within and between populations
... Local mate competition (LMC) occurs when male relatives compete for mating opportunities, and this may favour the evolution of female-biased sex allocation. LMC theory is among the most well developed and ...
8
Exposure to the neonicotinoid imidacloprid disrupts sex allocation cue use during superparasitism in the parasitoid wasp Nasonia vitripennis
... facultative sex allocation in response to a ‘social’ cue – the presence of co-foundresses (Whitehorn et ...of sex allocation ...same sex ratios regardless of imidacloprid dose (see ...
5
DNA methylation and sex allocation in the parasitoid wasp Nasonia vitripennis
... over sex allocation under LMC (Wild and West 2009), whereby disrupting DNA methylation has shifted the balance between maternally and paternally inherited alleles within ovipositing female ...the ...
7
Maternal effects obscure condition dependent sex allocation in changing environments
... of sex ratio adjustment predict that parents should adjust the sex ratio of their offspring with local conditions or ability to invest, if net fitness returns are sex-specific ...directional ...
7
Detecting non binomial sex allocation when developmental mortality operates
... and sex ratios are female biased due to local mate ...the sex of eggs, and a secondary dataset containing post-mortality counts of male and female adults in 113 ...binomial sex allocation ...
33
Sexual selection and sex allocation in the gregarious parasitoid wasp Nasonia vitripennis
... explaining sex ratios as his efforts in the field of sexual ...unbiased sex ratios as a problem for his theories of natural and sexual selection, revising it for the second edition to famously state that ...
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