ArticleMolecular biology reports2023
Invasive flower thrips, Thrips parvispinus (Karny) occurrence, host expansion and genetic diversification in a tropical poly-crop ecosystem.
Article in Molecular biology reports, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
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Who cites it
1 citing paper in PubMed.
- Diverse sources of resistance to Thrips palmi (Thysanoptera: Thripidae) in chili (Capsicum annuum and C. chinense).Journal of economic entomology · 2025Article
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6 authors.
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Abstract
backgroundInvasive black flower thrips Thrips parvispinus (Karny) has recently emerged as a significant threat to Indian chilli production. Identifying T. parvispinus became difficult due to the complex presence of thrips species in Indian chilli and allied ecosystems. Pest management success depends on assessing invasive pests genetic populations and their distribution in newly habituated areas. METHODS AND
resultsThe current study investigated the genetic diversity and phylogeographic structure of T. parvispinus across major chilli-growing zones representing different agro-climatic conditions in Tamil Nadu. The species-specific chaetotaxy characteristics of T. parvispinus and molecular analysis of the mtCOI gene were used to confirm that the species T. parvispinus has expanded rapidly in three regions (North Western, Western and Cauvery delta), sparsely in one (Southern) and absent from two (hilly and high rainfall). Fifteen allied crops in chilli/capsicum growing tracts served as host plants for T. parvispinus. A shrub species, namely Littleleaf boxwood, Buxus microphylla Siebold & Zucc., is described as a host plant for the first time. On capsicum and chilli, T. parvispinus and Scirtothrips dorsalis coexisted. Thrips palmi, T. tabaci, Frankliniella schultzei, and Microcephalothrips abdominalis co-occurring alongside T. parvispinus on allied crops.
conclusionMolecular characterization and haplotype identification help define the genetic composition of T. parvispinus and serve as a foundation for efficient monitoring and creation of Integrated Pest Management (IPM) strategies. As a result, the genetic data presented in this work strongly argues that T. parvispinus as a population is resolving itself towards a fixed state through natural selection that spans its native range globally along with low genetic diversity [Hd: 0.771].
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