Distribution, ecology and conservation of Aeshna caerulea (Ström, 1793) and Aeshna subarctica elisabethae Djakonov, 1922 (Insecta: Odonata) at the southernmost limits of their range

IF 0.5 4区农林科学 Q4 ENTOMOLOGY

Aquatic Insects Pub Date : 2022-07-18 DOI:10.1080/01650424.2022.2098341

G. Assandri, G. Bazzi, Alex Festi, Fausto Leandri

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Abstract

Abstract We provide an overview of the distribution, habitat preference, phenology, and conservation of Aeshna caerulea (Ström, 1793) and Aeshna subarctica elisabethae Djakonov, 1922 in Italy. Both species are found exclusively in the Central Eastern Alps. By 2021, A. caerulea has been reported for 31 sites, whereas A. s. elisabethae for 15. The new southernmost global range limit for A. caerulea was found in the Adamello massif and the new southernmost Western Palearctic limit for A. s. elisabethae in the Tesino plateau (Trentino-Alto Adige). Aeshna caerulea reproduces at high-altitude ponds or small lakes, inundated fens or fen meadows, and occasionally in the depressions within raised bogs. Aeshna s. elisabethae is found at lower altitudes, only at raised bogs and, to a lesser extent, in acidic transitional mires rich in Sphagnum mosses. Forty-six per cent of the reproduction sites of A. caerulea and 93% of those of A. s. elisabethae are included within a national/local protected area or the Natura 2000 network.

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秦始蛇(Ström, 1793)和亚北极秦始蛇，1922(昆虫目:秦始蛇目)在最南端的分布、生态和保护

摘要综述了意大利Aeshna caerulea (Ström, 1793)和Aeshna subarctica elisabethae Djakonov, 1922的分布、生境偏好、物候和保护情况。这两个物种都只在阿尔卑斯山的中东部发现。到2021年，已有31个地点报告了A. caerulea, 15个地点报告了A. s. elisethae。在Adamello地块发现了a.s caerulea全球最南端的新界限，而在Tesino高原(Trentino-Alto Adige)发现了a.s elisabethae的西古北最南端的新界限。在高海拔的池塘或小湖泊、被淹没的沼泽或沼泽草地上繁殖，偶尔也在凸起的沼泽的洼地里繁殖。elisabethae在海拔较低的地方发现，只在凸起的沼泽中发现，在较小程度上，在富含Sphagnum苔藓的酸性过渡沼泽中发现。在国家/地方保护区或Natura 2000网络中，有46%的毛毡花和93%的白毛毡花的繁殖地点。

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来源期刊

Aquatic Insects 生物-昆虫学

CiteScore

2.00

自引率

25.00%

发文量

审稿时长

>12 weeks

期刊介绍： Aquatic Insects is an international journal publishing original research on the systematics, biology, and ecology of aquatic and semi-aquatic insects. The subject of the research is aquatic and semi-aquatic insects, comprising taxa of four primary orders, the Ephemeroptera, Odonata, Plecoptera, and Trichoptera but also aquatic and semi-aquatic families of Hemiptera, Coleoptera, and Diptera, as well as specific representatives of Hymenoptera , Lepidoptera, Mecoptera, Megaloptera , and Neuroptera that occur in lotic and lentic habitats during part of their life cycle. Studies on other aquatic Hexapoda (i.e., Collembola) will be only accepted if space permits. Papers on other aquatic Arthropoda (e.g., Crustacea) will not be considered, except for those closely related to aquatic and semi-aquatic insects (e.g., water mites as insect parasites). The topic of the research may include a wide range of biological fields. Taxonomic revisions and descriptions of individual species will be accepted especially if additional information is included on habitat preferences, species co-existing, behavior, phenology, collecting methods, etc., that are of general interest to an international readership. Descriptions based on single specimens are discouraged. Detailed studies on morphology, physiology, behavior, and phenology of aquatic insects in all stadia of their life cycle are welcome as well as the papers with molecular and phylogenetic analyses, especially if they discuss evolutionary processes of the biological, ecological, and faunistic formation of the group.