Department of Biology, Brigham Young University, 4102 LSB, Provo, UT 84602, USA.
Department of Biology, Brigham Young University, 4102 LSB, Provo, UT 84602, USA.
Arthropod Struct Dev. 2020 Nov;59:100995. doi: 10.1016/j.asd.2020.100995. Epub 2020 Sep 23.
The leg regeneration capabilities of damselflies are understudied. Here we present the first data of regenerated limbs across a genus of damselfly based on adult specimens collected in the field to illustrate the prevalence of limb loss among nymphs. We show that this phenomenon is much more prevalent than previously thought, as 42 percent of individuals were found with regenerated limbs. Furthermore, we test for patterns within these data to begin to unravel the potential causes of limb loss in nymphal damselflies, showing that intrinsic factors such as sex and species cannot explain the patterns of limb loss pointing to environmental factors as the probable cause. We argue that Odonata limb regeneration provides a potentially unique perspective into the nymphal stage of these organisms.
豆娘的腿部再生能力尚未得到充分研究。在这里，我们首次展示了基于野外采集的成年标本的整个豆娘属的再生肢体数据，以说明稚虫肢体缺失的普遍性。我们发现，这种现象比之前认为的更为普遍，因为有 42%的个体发现有再生肢体。此外，我们对这些数据进行了分析，以开始揭示稚虫豆娘肢体缺失的潜在原因，结果表明，内在因素（如性别和物种）无法解释肢体缺失的模式，指向环境因素可能是导致肢体缺失的原因。我们认为，蜻蜓类的肢体再生为研究这些生物的稚虫阶段提供了一个潜在的独特视角。
