Jillian J Foutz, W. R. Cooper, Kylie Swisher-Grimm, D. W. Crowder
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引用次数: 0
摘要
害虫的准确取样是害虫管理的基础。然而,选择用于害虫监测的最佳诱捕器可能很复杂,因为诱捕器的性能受害虫喜好和行为的影响。此外,当昆虫标本用于分子检测(如检测昆虫传播的病原体)时,诱捕器中 DNA 的保存也是一个考虑因素。我们评估了 2 种诱捕器设计和 2 种诱捕器放置方式捕获甜菜叶蝉 Circulifer tenellus (Baker) (半翅目:Cicadellidae)的效率,甜菜叶蝉是 "Candidatus Phytoplasma trifolii "和甜菜卷曲顶病毒的传播媒介。诱捕器设计包括标准的黄色粘卡和直接在 DNA 防腐剂中捕获昆虫的 3D 打印诱捕器。我们发现,在夏季,黄色粘虫卡比三维打印诱捕器捕获更多成虫,但在秋季叶蝉转移到越冬地点时,黄色粘虫卡捕获的成虫较少。无论哪个季节,3D打印诱捕器都比粘虫卡捕获更多若虫,而悬挂在地面上的诱捕器比悬挂在1米高处的诱捕器捕获更多若虫和成虫。与预测相反,我们没有发现不同类型的诱捕器在分子检测 Ca.与预测相反,我们没有发现不同类型的诱捕器在三叶叶蝉或甜菜卷曲病毒的分子检测上存在差异,这可能是因为三维打印诱捕器在夏季病原体发生率最高的时候捕获的叶蝉很少。我们的研究结果表明,基于季节性和生命阶段,C. tenellus 对诱捕器的偏好存在行为差异,并强调了在选择用于害虫监测的诱捕器设计时了解昆虫行为的重要性,以及正确解释诱捕器捕获数据的重要性。
Seasonal and lifecycle changes in behavior affect the trapping efficiency of an insect vector, Circulifer tenellus (Hemiptera: Cicadellidae)
Accurate sampling of pests is the foundation of pest management. Choosing the best trap for pest monitoring can be complex, however, because trap performance is affected by pest preferences and behaviors. Moreover, preservation of DNA in traps is a consideration when insect specimens are used in molecular assays, such as the detection of insect-borne pathogens. We assessed the efficiency of 2 trap designs and 2 trap placements on the capture of beet leafhopper, Circulifer tenellus (Baker) (Hemiptera: Cicadellidae), vector of “Candidatus Phytoplasma trifolii” and Beet curly top virus. Trap designs included standard yellow sticky cards and 3D-printed traps that capture insects directly in a DNA preservative. We found that yellow sticky cards captured more adults than did 3D-printed traps during summer months but captured fewer adults during autumn when leafhoppers move to overwintering sites. 3D-printed traps captured more nymphs than sticky cards, regardless of season, and traps hung at ground level captured more nymphs and adults compared to traps at 1-m height. Contrary to predictions, we did not find differences between trap types in the molecular detection of Ca. P. trifolii or Beet curly top virus, perhaps because 3D-printed traps captured few leafhoppers during summer when the pathogen rates were highest. Our results suggest behavioral differences in C. tenellus trap preference based on seasonality and life stage and underscore the importance of understanding insect behaviors when choosing trap designs for pest monitoring as well as for properly interpreting trap capture data.
期刊介绍:
The Annals of the Entomological Society of America exists to stimulate interdisciplinary dialogue across the entomological disciplines and to advance cooperative interaction among diverse groups of entomologists. It seeks to attract and publish cutting-edge research, reviews, collections of articles on a common topic of broad interest, and discussion of topics with national or international importance. We especially welcome articles covering developing areas of research, controversial issues or debate, and topics of importance to society. Manuscripts that are primarily reports of new species, methodology, pest management, or the biology of single species generally will be referred to other journals of the ESA. The most important criteria for acceptance are quality of work and breadth of interest to the readership.