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Offspring sex ratios in parasitoid wasps

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 … 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; …

Sex ratios under asymmetrical local mate competition in the …

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. 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 … maryville feed \u0026 home https://codexuno.com

J. Dylan Shropshire, PhD - NSF Postdoctoral Research Fellow

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. Webb引用にはこちらのurlをご利用ください WebbVriend, S.J.G., Grotan, V., Gamelon, M., Adriaensen, F., Ahola, M.P., Alvarez, E., Bailey, LD., Barba, E., Bouvier, J.C., Burgess, M.D., Bushuev, A., Camacho, C ... maryville dentistry hillview

Male influence on sex allocation in the parasitoid wasp ... - NARCIS

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Offspring sex ratios in parasitoid wasps

Age-Dependent Constraints of Sex Allocation in a Parasitoid Wasp

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 … WebbThe 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 …

Offspring sex ratios in parasitoid wasps

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Webbför 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. Webbthe wasp. The scientists speculate that a reduced number of female offspring could also promote viral transmission. This is because both males and female wasps appear to be …

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. 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 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 … 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, and …

WebbConclusions: 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 …

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 … hvac electricity fundamentalsWebbThe 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 … hvac elizabethtown kyWebbGenerally, 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 … hvac-emergency.insprotectrl.commaryville fireWebbLaboratory 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 … maryville garden maintenance chittering waWebbSex allocation behavior offers excellent opportunities for determining the extent to which evolutionary theory can explain life-history variation (Charnov, 1982; West et al., … hvac emergency servicesWebbParasitoid females may adjust offspring sex allocation according to the number and quality of hosts available. Because in solitary species only one offspring survives per … maryville football radio