喜玛拉雅地区蜂蛹(Aphaenogaster cristata, Forel, 1902)和蜂蛹(Aphaenogaster pachei, Forel, 1906)幼虫龄期估算及超微结构分析

IF 0.7 4区 农林科学 Q4 ENTOMOLOGY Entomological Science Pub Date : 2023-11-20 DOI:10.1111/ens.12563
Himender Bharti, Jaspreet Kaur, Eduardo G. P. Fox, Meenakshi Bharti
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引用次数: 0

摘要

有机体的个体发生提供了对其生活史和进化背景的基本见解。在昆虫中,特别是蚂蚁,关于未成熟阶段形态的观察结果相对较少。利用光学和扫描电子显微镜,本研究首次描述了Aphaenogaster cristata (Forel, 1902)和Aphaenogaster pachei (Forel, 1906)的不同幼虫,这两种物种是喜马拉雅山特有的,主要分布在寒冷温度胁迫和干扰限制其他蚂蚁存在的地区。根据测量到的最大头宽的频率分布估计了4个幼虫的存在。我们观察到不同龄期的幼虫在身体结构和部位上有不同的变化,这表明它们在化蛹之前必须遵循相似的习惯。然而,这两个物种在下颌骨和毛发类型上表现出明显的特殊性,这表明它们具有内在的生活适应性。观察到的特征与先前对该属和相关分类群幼虫的描述相补充,表明其与被认为是姐妹分支的Messor有相当大的进化距离,值得在未来的研究中进一步进行分类研究。
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Larval instar estimation and ultra-structural analysis of Aphaenogaster cristata (Forel, 1902) and Aphaenogaster pachei (Forel, 1906) (Hymenoptera: Formicidae) from the Himalayas

The ontogeny of an organism provides fundamental insights into its life history and evolutionary background. Among insects, especially ants, relatively few observations have been formalized about the morphology of immature stages. Using light and scanning electron microscopy, this study presents the first description of the different larval instars of Aphaenogaster cristata (Forel, 1902) and Aphaenogaster pachei (Forel, 1906), species endemic to the Himalayas that predominate in areas where cold temperature stress and disturbances limit the presence of other ants. The existence of four larval instars was estimated based on the frequency distribution of their measured maximum head widths. We observed discrete alterations in the body constitution and parts among the different instars, suggesting they must follow similar habits until pupation. The two species, however, present noticeable particularities in their mandibles and hair types, suggesting intrinsic life adaptations. Observed traits complementary with previous descriptions with larvae of the genus and related taxa are suggestive of considerable evolutionary distance from Messor, considered the sister clade, which merits further taxonomic investigation in future studies.

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来源期刊
Entomological Science
Entomological Science 生物-昆虫学
CiteScore
2.00
自引率
11.10%
发文量
30
审稿时长
6-12 weeks
期刊介绍: Entomological Science is the official English language journal of the Entomological Society of Japan. The Journal publishes original research papers and reviews from any entomological discipline or from directly allied field in ecology, behavioral biology, physiology, biochemistry, development, genetics, systematics, morphology, evolution and general entomology. Papers of applied entomology will be considered for publication if they significantly advance in the field of entomological science in the opinion of the Editors and Editorial Board.
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