The forest fragmentation is caused by natural or anthropic actions, which affect negatively the biota and the environmental services rendered by biological diversity. However, there is little information on the reflex of these actions in many different groups of animals, such as social wasps, which are abundant and significantly present in neotropical environments, causing a major impact in the communities they live due to their role in food webs. As their natural enemies, wasps are important in the control of agricultural plagues; in the natural environment, they are nectar collectors, frequent flower visitors, and potential pollinators of many species of plants. These factors justify studies which would evaluate in what way the forest fragmentation acts on these insects biodiversity. This study was carried out in four fragments, each of a different size, located in the municipalities of Inconfidentes and Ouro Fino, in the south of the state of Minas Gerais (Brazil), where the phytophysiognomy is the Montane Semideciduous Seasonal Forest. The research was carried out between December 2016 and March 2018, with the same sampling collection for each fragment, totalizing 104 sampling days. In total, 28 species and 51 colonies were recorded in the four areas and a greater richness for the greatest fragment (F4). The conclusion reached was that the size and heterogeneity of the fragment have an important role in maintaining the richness of social wasps.
The present study was developed aiming to evaluate the richness and biogeography of social wasp species in the Brazilian savanna, Cerrado. In order to do so, we gathered data from specialized literature and field samplings performed at Sempre-Vivas National Park, northeastern Minas Gerais state. 18 genera and 137 species were recorded, with 4 endemic species of the Mischocytiarus genus. The results showed that Cerrado houses 40% of Brazilian Polistinae fauna and that Sempre-Vivas National Park is responsible for around 29% of this value, which makes it an important refuge for conservation of social wasps from Cerrado, as well as Mato Grosso state, due to its large number of restricted occurrence and endemic species. Nonetheless, there are Brazilian states and conservation units still lacking information for the taxon, making a bigger sampling effort in the Cerrado biome necessary, as it has been rapidly deteriorating due to human action.
<p>Historicamente, insetos fazem parte da alimentação humana, prática também registrada no Brasil, especialmente em comunidades indígenas e tradicionais. Essa entomofagia inclui as vespas sociais, também conhecidas no Brasil como cabas ou marimbondos (Hymenoptera, Vespidae), e com ampla distribuição de espécies em todo o país. Partindo de uma revisão da literatura, o presente estudo lista as espécies de vespídeos sociais usadas como fonte de alimentação no Brasil. Realizou-se consulta bibliográfica utilizando diferentes plataformas de busca, entre agosto de 2019 a junho de 2020. No Brasil há registro de seis espécies de vespas sociais consumidas por comunidades indígenas, sobretudo na região amazônica, e há ocorrência de outras 34 que são consumidas em outros países. O consumo desses animais na alimentação humana pode ser viável, sendo necessários estudos para criação e uso sustentável desse recurso natural.</p>
Historicamente, insetos fazem parte da alimentação humana, prática também registrada no Brasil, especialmente em comunidades indígenas e tradicionais. Essa entomofagia inclui as vespas sociais, também conhecidas no Brasil como cabas ou marimbondos (Hymenoptera, Vespidae), e com ampla distribuição de espécies em todo o país. Partindo de uma revisão da literatura, o presente estudo lista as espécies de vespídeos sociais usadas como fonte de alimentação no Brasil. Realizou-se consulta bibliográfica utilizando diferentes plataformas de busca, entre agosto de 2019 a junho de 2020. No Brasil há registro de seis espécies de vespas sociais consumidas por comunidades indígenas, sobretudo na região amazônica, e há ocorrência de outras 34 que são consumidas em outros países. O consumo desses animais na alimentação humana pode ser viável, sendo necessários estudos para criação e uso sustentável desse recurso natural.
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