Estuarine floodplains harbor greater diversity of orchid bees (Hymenoptera: Apidae: Euglossini) than mangroves in coastal Amazonia

IF 2.4 3区农林科学 Q1 ENTOMOLOGY

Apidologie Pub Date : 2024-06-11 DOI:10.1007/s13592-024-01073-9

José J Corrêa-Neto, Juliana Hipólito, Cristiano Feitosa Ribeiro, J. Christopher Brown, Marcio Luiz de Oliveira

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Abstract

Variations in vegetation types in a given location, including the availability of floral resources, can directly influence the composition of orchid bee (Euglossini) communities. A diverse range of vegetation types are found along the coast of the Brazilian Amazon, with Mangrove (MANG) and Estuarine Floodplain (FE) forests being the predominant types. With the exception of dryland forests, taxonomic information and distribution of Euglossini in MANG and EF in the coastal Amazon are still incipient. Based on this, we investigated the role of these vegetation types in maintaining Euglossini bee communities on the coast of the Brazilian Amazon. We sampled bees using aromatic baits in 48 locations, 23 in EF and 25 in MANG, comparing the abundance, richness, diversity, and composition of bees. We collected a total of 1017 specimens from four genera and 22 species of Euglossini bees. Abundance and richness were, on average, greater in EF. Species composition differed statistically but was weakly explained by vegetation type. We also identified three indicator bee species for EF and one for MANG. Apparently, floristic diversity in EF is the main predictor for greater abundance and richness of Euglossini bees in the studied region. Our findings reinforce the importance of conserving native vegetation along the Amazon coast, considered one of the most threatened on the planet, to maintain the biodiversity of its pollinators.

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在亚马孙沿海地区，河口冲积平原比红树林蕴藏着更丰富的兰花蜂（膜翅目：鳞翅目：Euglossini）种类

特定地点植被类型的变化，包括花卉资源的可用性，会直接影响兰花蜂（Euglossini）群落的组成。巴西亚马逊沿岸的植被类型多种多样，其中以红树林（MANG）和河口洪泛平原森林（FE）为主。除旱地森林外，亚马逊沿岸红树林和河口洪泛平原森林中 Euglossini 的分类信息和分布情况仍处于起步阶段。在此基础上，我们研究了这些植被类型在维持巴西亚马逊沿岸 Euglossini 蜜蜂群落中的作用。我们在 48 个地点使用芳香诱饵对蜜蜂进行了采样，其中 23 个地点位于 EF，25 个地点位于 MANG，比较了蜜蜂的丰度、丰富度、多样性和组成。我们共采集了 4 属 22 种 Euglossini 蜜蜂的 1017 个标本。平均而言，EF 的丰度和丰富度都更高。物种组成在统计上存在差异，但植被类型的解释作用较弱。此外，我们还为 EF 确定了三个指示蜂物种，为 MANG 确定了一个指示蜂物种。显然，在研究地区，EF的植物多样性是Euglossini蜂丰度和丰富度更高的主要预测因素。亚马逊沿岸被认为是地球上受威胁最严重的地区之一，我们的研究结果加强了保护该地区原生植被的重要性，以保持其传粉昆虫的生物多样性。

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来源期刊

Apidologie 生物-昆虫学

CiteScore

5.10

自引率

8.30%

发文量

审稿时长

3 months

期刊介绍： Apidologie is a peer-reviewed journal devoted to the biology of insects belonging to the superfamily Apoidea. Its range of coverage includes behavior, ecology, pollination, genetics, physiology, systematics, toxicology and pathology. Also accepted are papers on the rearing, exploitation and practical use of Apoidea and their products, as far as they make a clear contribution to the understanding of bee biology. Apidologie is an official publication of the Institut National de la Recherche Agronomique (INRA) and Deutscher Imkerbund E.V. (D.I.B.)