ArticlePest management science2026
Distribution and seasonal dynamics of two distinct sex pheromone types in Cnaphalocrocis medinalis moths across China.
Article in Pest management science, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
1 citing paper in PubMed.
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
Abstract
backgroundCnaphalocrocis medinalis, a major migratory rice pest in Asia, shows significant variation in female sex pheromone composition across geographical regions. This study investigated the distribution and seasonal dynamics of two distinct sex pheromone strains in populations across China to improve monitoring accuracy and understand migration patterns.
resultsChemical analysis identified two pheromone types: an aldehyde-alcohol blend (AA) dominated by Z13-18:Ald (4.30 ± 2.68 ng per female), and an acetate ester blend (AE) dominated by Z11-16:Ac (5.04 ± 0.72 ng per female). Among 339 females examined, the AE strain was substantially more prevalent (80-97%) in most regions. Ovarian development ranged from levels 2 to 4, with mating frequencies of 0-5 times, indicating the prevalence of the AE strain in natural populations. Large-scale pheromone trapping monitoring across 106 sites outlined distinct geographical and seasonal distributions in males. Southern regions exhibited higher AE proportions in July-August, whereas northern areas, particularly the middle-lower Yangtze provinces, were dominated by the AA strain in August-September, often accounting for 60-90% of captures. For example, AA was >90% in Nantong, whereas AE remained at >80% in Jingzhou. Seasonal shifts occurred in some southern locations, such as Chongzuo, where AE surpassed AA by September.
conclusionTwo pheromone strains of C. medinalis co-occur across China with geographically and seasonally structured distributions. The AE strain predominates overall, but both strains must be used concurrently for accurate population monitoring. This pheromone polymorphism is likely to reflect different geographical origins of migratory populations and provides a foundation for region-specific pest management strategies. © 2026 Society of Chemical Industry.
Indexed as
Identifiers
What OpenQuestion holds
Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.