Offspring sex ratios in parasitoid wasps

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Webb• Sophomore year, conducted research involving endosymbiont effects on offspring in Aphytis melinus, a parasitoid wasp. • Junior/senior year, conducted research on Culex stigmatasoma, a ... WebbAn important factor affecting the life-history of an animal is parental investiture in copy: reproductive decisions are almost ever costly. Therefore, reproducive decisions ought be beneficial in terms of increased offspring total or fitness. For example, egg laying decisions in many worms ca influence resource availability from aforementioned …

Information constraints and the precision of adaptation: sex ratio ...

Webb引用にはこちらのurlをご利用ください Webb30 mars 2024 · Parasitoid wasps represent 10% to 20% of all insects, and they are the most successful and important groups of natural enemies used as biological control agents for insect pests [1,2,3].Wasps take advantage of a variety of strategies to subdue the hosts to generate a comfortable environment for the development of their offspring, usually … country inn and suites alexandria la

(PDF) Brood size and sex ratio in response to host quality and …

WebbTheories predict that females of parasitoid wasps would adjust the offspring sex ratio to environmental conditions in the oviposition patch, but the diet and age of females would … WebbThe article was published on 1988-01-01 and is currently open access. It has received 6 citation(s) till now. The article focuses on the topic(s): Aphididae & Aphid. WebbA meta-analysis of studies examining sex recognition ability in parasitoid wasps also did not support the predicted pattern of relevant sex ratio adjustment, suggesting that … country inn and suites amritsar

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Webb31 okt. 2015 · Fourth, we review the impact of adult diet on parasitoid offspring with special reference to (1) egg load, maturation and resorption, (2) parasitism and (3) progeny production and sex ratio. Finally, a number of implications for biological control and integrated pest management are discussed. WebbSex allocation behavior offers excellent opportunities for determining the extent to which evolutionary theory can explain life-history variation (Charnov, 1982; West et al., … country inn and suites annapolisWebbThe sex ratio of parasitoid wasps and their effects on host size, dispersal, and behavioral constraints have been studied in the context of mate competition, where the sex … breville water heater fix

"WebbOther factors which have been shown to affect offspring sex ratios in some species include (1) number of hours since insemination; (2) genetic factors; (3) maternal size; … " - Offspring sex ratios in parasitoid wasps

Offspring sex ratios in parasitoid wasps

Webbbiased sex ratio predicted by LMC (Hamilton 1967). Al-though sex allocation based on host quality is very common in parasitoid wasps, very few studies have investigated … WebbTechniques utilized include insect husbandry, transgenesis, microscopy, comparative genomics, DNA/RNA extractions, PCR/qRT-PCR, gel electrophoresis, and statistical analysis. Additional work in the...

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Webb30 dec. 2024 · This field study included four lure treatments with varying ratios of n-tridecane to (E)-2-decenal: 100% n-tridecane, 90% n-tridecane, 80% n-tridecane, and hexane (control). Lab-reared H. halys sentinel egg masses were deployed adjacent to kairomone lures as hosts for parasitoid wasps. WebbLaboratory and field studies on about 100 species in sixteen families indicate that several factors can influence offspring sex ratios (males: females) in parasitoid wasps For …

WebbThe host size model, an adaptive model for maternal manipulation of offspring sex ratio, was examined for the parasitoid wasp Spalangia endius. In a Florida strain, as the … Webbspecies of Polistes paper wasps. Although polyploid offspring may be produced parthenogenetically, the more likely scenario is that Polistes wasps have CSD and produce diploid males via homozygosity at the sex-determining locus. Therefore, female triploidy indicates that diploid males do exist in Polistes species where they are …

WebbHamilton (1967) showed that when the offspring of one or a small number of females mate within the natal patch, prior to dispersal by females, a female-biased sex ratio is … WebbThe results indicate that female fig wasps adjust the sex ratio of their offspring in response to both the intensity of proximate local mate competition and the level of …

WebbThe overall sex ratio in the field was 0.24±0.01, based on 5,460 egg capsules collected on 241 samples in all localities (27,943 parasitoids). At a low parasitism rate (0–20%) sex … country inn and suites arkwright rd macon gaWebbConclusions: Our approach provides a thorough description of the quantitative genetic basis of sex ratio variation in Nasonia at the genome level and reveals a number of … breville website australiaWebbför 8 timmar sedan · New Parasitoid Wasp Species Discovered in the Amazon -- Can Manipulate Host's Behavior Jan. 14, 2024 — A research group studying the diversity of parasitoid insects around the world. country inn and suites aylett vaWebbThe tea grey geometrid Ectropis grisescens has long been a significant insect pest of tea plants in China. Two parasitoids, Parapanteles hyposidrae and Protapanteles immunis (Hymenoptera: Braconidae: Microgastrinae), are the most important parasitoids in the larval stage of E. grisescens. Yet, the potential of these two parasitoids for controlling … country inn and suites atlanta galleriaWebbWasp sex ratios varied markedly (3-93% female) in response to the herbivores, the plants, or both. Higher proportions of female wasps emerged from DBM larvae on plants with … breville water heater metalWebbGenerally, an increased sex ratio is related to an increase in the number of male offspring with female age, and many studies have shown a positive relationship between age and … country inn and suites asheville nc westWebbLaboratory and field studies on about 100 species in sixteen families indicate that several factors can influence offspring sex ratios (males: females) in parasitoid wasps, and … breville website canada