Adaptation to different temperatures results in wing size divergence of the invading species Drosophila nasuta (Diptera: Drosophilidae) in Brazil.

IF 1.6 3区 农林科学 Q2 ENTOMOLOGY Bulletin of Entomological Research Pub Date : 2024-11-04 DOI:10.1017/S0007485324000580
Vinícius Alcântara Carvalho Lima Santos, Ana Cristina Lauer Garcia, Martín Alejandro Montes
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Abstract

Invasive species threaten biodiversity on a global scale. The success of invasions depends on the species' adaptation to the different environmental conditions of new territories. Studies show that invasive insects present evolutionary changes in wing morphology in areas they are introduced to in response to abiotic conditions. In the last decade, the Asian Drosophila nasuta fly invaded and spread widely throughout Brazil. This insect has preferences for conserved environments and is related to the likely reduction in the abundance of native drosophilids in the Atlantic Forest. Ecological niche modelling analyses showed that rainfall and temperature are the main factors which delimit the geographic distribution of this species. Herein, we verified the existence of significant differences in the wing sizes of D. nasuta in Brazil and evaluated the influence of abiotic factors (rainfall and temperature) on the observed patterns. We conducted 11 measurements on the right-side wings of 240 D. nasuta males collected in the Amazon Forest, Caatinga, Cerrado and Atlantic Forest. Statistical analyses revealed the existence of two groups: one with larger wings, which brought together samples from locations with the lowest temperatures; and one with smaller wings, which corresponded to places with a hotter climate. One explanation for this result is the fact that large wings favour greater heat capture by flies in colder climates, increasing their survival chances in these environments. These rapid evolutionary changes in D. nasuta in this first decade of invasion in Brazil reveal the enormous adaptive potential of this species in this megadiverse country.

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对不同温度的适应导致巴西入侵物种鼻果蝇(双翅目:果蝇科)翅膀大小的分化。
入侵物种威胁着全球范围内的生物多样性。入侵的成功与否取决于物种对新领地不同环境条件的适应性。研究表明,入侵昆虫在其引入地区的翅膀形态会随着非生物条件的变化而发生进化变化。在过去十年中,亚洲果蝇鼻蝇入侵并广泛传播到整个巴西。这种昆虫偏好保守的环境,大西洋森林中本地果蝇的数量可能减少与此有关。生态位模型分析表明,降雨量和温度是划分该物种地理分布的主要因素。在此,我们验证了巴西D. nasuta的翅膀大小存在显著差异,并评估了非生物因素(降雨和温度)对观察到的模式的影响。我们对在亚马逊森林、卡廷加地区、塞拉多地区和大西洋森林采集的 240 只鼻斑蝶雄鸟的右侧翅膀进行了 11 次测量。统计分析显示存在两组:一组翅膀较大,来自气温最低的地区;另一组翅膀较小,来自气候较热的地区。对这一结果的一种解释是,在寒冷的气候条件下,大翅膀有利于苍蝇捕获更多的热量,从而增加它们在这些环境中的生存机会。在入侵巴西的头十年中,D. nasuta的这些快速进化变化揭示了这一物种在这个物种繁多的国家中的巨大适应潜力。
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来源期刊
CiteScore
4.00
自引率
0.00%
发文量
160
审稿时长
6-12 weeks
期刊介绍: Established in 1910, the internationally recognised Bulletin of Entomological Research aims to further global knowledge of entomology through the generalisation of research findings rather than providing more entomological exceptions. The Bulletin publishes high quality and original research papers, ''critiques'' and review articles concerning insects or other arthropods of economic importance in agriculture, forestry, stored products, biological control, medicine, animal health and natural resource management. The scope of papers addresses the biology, ecology, behaviour, physiology and systematics of individuals and populations, with a particular emphasis upon the major current and emerging pests of agriculture, horticulture and forestry, and vectors of human and animal diseases. This includes the interactions between species (plants, hosts for parasites, natural enemies and whole communities), novel methodological developments, including molecular biology, in an applied context. The Bulletin does not publish the results of pesticide testing or traditional taxonomic revisions.
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Adaptation to different temperatures results in wing size divergence of the invading species Drosophila nasuta (Diptera: Drosophilidae) in Brazil. Evidence of circulating recombinants between deformed wing virus and Varroa destructor virus-1 in honey bee colonies in Türkiye. Transcriptomic analysis of the gonads of Locusta migratoria (Orthoptera: Acrididae) following infection with Paranosema locustae. Making sense of chromosome polymorphisms in two leptysmine grasshoppers. Reproductive response of the predator Tenuisvalvae notata (Mulsant) (Coleoptera: Coccinellidae) to temperatures outside their ideal thermal range.
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