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Prediction of hybridisation zones of selected species of the genus Platymeris (Hemiptera: Reduviidae) supported by laboratory crossbreeding
Austral Entomology ( IF 1.1 ) Pub Date : 2020-02-17 , DOI: 10.1111/aen.12452
Agnieszka Bugaj‐Nawrocka 1 , Natalia Sawka‐Gądek 2 , Dominik Chłond 1
Affiliation  

Genus Platymeris Laporte, 1833 is a medium‐sized genus belonging to the subfamily Reduviinae, and all known species of these assassin bugs are large‐sized insects, distributed exclusively in Africa. Among them, two species, Platymeris biguttatus and Platymeris rhadamanthus, are particularly well known for being bred in commercial cultures. Representatives of both species were bred and crossed in laboratory conditions resulting in interspecific hybrids. The offspring of both species were genetically tested to confirm their hybridisation by nuclear analysis of the wingless gene, which differs in sequence between the parental species. In addition, previous research on the distribution of these species has shown that their ranges partly overlap. This area began to be considered as a potential hybridisation zone. The occurrence of both species was modelled to determine the zone of overlap and estimate the potential hybridisation zone by using the ecological niche modelling technique and Maxent software. In addition, we tested various model settings and program capabilities. As a result, two large areas were identified as potential hybridisation zones. Both are mostly within the tropical and subtropical moist broadleaf forests ecoregion, as well as tropical and subtropical grasslands, savannas and shrublands ecoregion. In addition, new occurrences of P. rhadamanthus in Namibia have been presented.

中文翻译:

在实验室杂交的支持下,对鸭嘴兽属(Hyptptera:Reduviidae)的选定物种的杂交区域进行预测

Platymeris Laporte属,1833年,属于Reduviinae亚科,属于中型属,这些刺客虫的所有已知物种均为大型昆虫,仅分布于非洲。其中有两个物种,即Platymeris biguttatusPlatymeris rhadamanthus,以在商业文化中繁殖而闻名。两种物种的代表均在实验室条件下繁殖并杂交,形成种间杂种。对这两个物种的后代进行了基因测试,以通过无翅核分析证实它们的杂交基因,在亲本物种之间的序列不同。此外,先前对这些物种分布的研究表明,它们的范围部分重叠。该区域开始被认为是潜在的杂交区。通过使用生态位建模技术和Maxent软件对两种物种的出现进行建模,以确定重叠区域并估计潜在的杂交区域。此外,我们测试了各种模型设置和程序功能。结果,两个大区域被确定为潜在的杂交区。两者都都位于热带和亚热带湿阔叶森林生态区以及热带和亚热带草原,热带稀树草原和灌木丛生态区。此外,新出现的P. rhadamanthus 在纳米比亚已经提出。
更新日期:2020-02-17
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