ArticleScientific reports2019
Female bias in an immigratory population of Cnaphalocrocis medinalis moths based on field surveys and laboratory tests.
Article in Scientific reports, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 14 papers.
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14 citing papers in PubMed.
- Adult Nutrition Stress Modulates the Energy Allocation Between Migration and Reproduction inInsects · 2026Article
- Multiple factors contribute to female dominance in migratory bioflows.Open biology · 2025Article
- Beyond balance: the impact of adult sex ratios on reproduction and longevity in Zophobas morio rearing.Biogerontology · 2025Article
- Energy Reserve Allocation in the Trade-Off between Migration and Reproduction in Fall Armyworm.Insects · 2024Article
- CRY1 is involved in the take-off behaviour of migratory Cnaphalocrocis medinalis individuals.BMC biology · 2024Article
- Defense Responses of Different Rice Varieties Affect Growth Performance and Food Utilization of Cnaphalocrocis medinalis Larvae.Rice (New York, N.Y.) · 2024Article
- Life Table Study of Fall Armyworm (Insects · 2023Article
- Identification of sex chromosomes and primary sex ratio in the small hive beetle, a worldwide parasite of honey bees.GigaScience · 2022Article
- Reproduction does not impede the stopover departure to ensure a potent migration in Cnaphalocrocis medinalis moths.Insect science · 2022Article
- Reference Genes for Expression Analysis Using RT-qPCR inInsects · 2022Article
- miR-275/305 cluster is essential for maintaining energy metabolic homeostasis by the insulin signaling pathway in Bactrocera dorsalis.PLoS genetics · 2022Article
- Article
- Flight and Reproduction Variations of Rice Leaf Roller,Insects · 2021Article
- The Population Growth ofInsects · 2020Article
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7 authors.
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No grant is acknowledged in the PubMed record.
Abstract
Sex ratio bias is common in migratory animals and can affect population structure and reproductive strategies, thereby altering population development. However, little is known about the underlying mechanisms that lead to sex ratio bias in migratory insect populations. In this study, we used Cnaphalocrocis medinalis, a typical migratory pest of rice, to explore this phenomenon. A total of 1,170 moths were collected from searchlight traps during immigration periods in 2015-2018. Females were much more abundant than males each year (total females: total males = 722:448). Sex-based differences in emergence time, take-off behaviour, flight capability and energy reserves were evaluated in a laboratory population. Females emerged 0.78 days earlier than males. In addition, the emigratory propensity and flight capability of female moths were greater than those of male moths, and female moths had more energy reserves than did male moths. These results indicate that female moths migrate earlier and can fly farther than male moths, resulting more female moths in the studied immigratory population.
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