The surrounding landscape shapes the abundance of <i>Sphaerophoria scripta</i> and <i>Melanostoma mellinum</i> (Diptera: Syrphidae) in Portuguese vineyards

Madureira, Marta; Rodrigues, Isabel; Villa, María; Pereira, José Alberto

doi:10.1111/afe.12544

Cited by 6 publications

(2 citation statements)

References 78 publications

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“…However, they found E. balteatus preferentially in herbaceous patches, while in our case these species do not show remarkable patterns regarding the landscape. However, S. scripta was associated to the presence of seminatural habitats and other crops in the surrounding vineyards landscape (Madureira, Rodrigues, Villa, & Pereira, 2022).…”

Section: Discussionmentioning

confidence: 99%

A complex landscape favours the abundance and species richness of syrphids (Diptera: Syrphidae) in olive groves

Ortega

Matallanas

Ricarte

et al. 2023

Ecological Entomology

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Sustainability of agroecosystems depends on the ecosystem services, provided by beneficial organisms, such as the syrphids (Diptera: Syrphidae) acting as other‐insect predators and pollinators in different crops. In the case of olive groves, syrphids are predators of important pests and are endangered by the continuous intensification of agriculture, including landscape simplification. In this work, the effect of landscape structure on the abundance and species richness of syrphids in the olive agroecosystem of central Spain is assessed. Adult syrphids were sampled in 2015 and 2016 in the centre of circular areas of 15 olive grove landscapes (from 250 to 1500 m radius) representing a gradient of landscape complexity, in the province of Madrid, central Spain. The syrphid assemblage was made up of 57 species, although Eupeodes corollae, Eristalis tenax, Eristalis similis and Chrysotoxum intermedium made up 76% of the captures. Syrphid abundance and species richness were favoured in complex landscapes, with low olive grove area (CAO). Other landscape indices showed also this trend although their effect was not as strong and consistent as that of CAO. The area of scrublands (CAS) favoured syrphids in spring, but was unfavourable in autumn. The effect of Shannon's Evenness Index (SHEI) and mean shape index (MSI) was less consistent. The effect of CAO increased with increasing buffers radii, while the effect of CAS, SHEI and MSI was detected in general at smaller radii, indicating these indices affect different processes. Redundancy analysis (RDA) detected some differences between species regarding their abundance in spring versus autumn, and their relationship with landscape indices. This work provides new evidence that maintenance of complex landscapes is essential for maintaining functional biodiversity in the olive agroecosystem.

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Section: Discussionmentioning

confidence: 99%

A complex landscape favours the abundance and species richness of syrphids (Diptera: Syrphidae) in olive groves

Ortega

Matallanas

Ricarte

et al. 2023

Ecological Entomology

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“…Despite the abundance of generalist species in some of the sites investigated, they turned out not to be the most important pollinators placing third after Sphaerophoria scripta, and Bomylella atra. S. scripta is a generalist syrphid, typical of open and anthropophilic habitats able to pollinate plants belonging to several families such as Apiaceae, Asteraceae, Campanulaceae, Euphorbiaceae, Lamiaceae, Papaveraceae, Ranunculaceae, and Rosaceae [60,61]. The important role of syrphids as pollinators, especially under the current general decline in social bee populations, is well documented [62].…”

Section: Discussionmentioning

confidence: 99%

Contrasting Response of Mountain Plant-Pollinator Network to Fragmented Semi-Natural Grasslands

Rocca

Tagliani

Milanesi

et al. 2023

Land

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The majority of the world's plants rely on animal pollinators for reproduction, making pollination a key ecosystem service for the maintenance of natural and cultivated plant communities. Mutual interactions between plants and pollinators, also called “plant-pollinator networks”, are becoming increasingly vulnerable due to the intensification of anthropogenic land use and climate change. Thus, due to the rapid decline of semi-natural grasslands in the Northern Apennines (Italy), we aimed at understanding how the fragmentation of these habitats, the spatial distribution, and the amount of semi- and natural areas surrounding them, could affect species diversity and plant-pollinator networks. Specifically, in the Northern Apennines, we monitored semi-natural grasslands belonging to the EU habitat type 6510 to evaluate the effect of fragmentation on plant and pollinator richness and on the plant-pollinator network. We carried out generalized linear models considering three taxonomical and six network descriptors as response variables and the combinations of grasslands size and isolation, as well as 10 other factors describing landscape composition as explanatory variables. We found a well-structured plant-pollinator network, characterized by a high diversity of both plants and pollinators, with mutual relations marginally specialized, highly affected by habitat fragmentation and the land use of surrounding grasslands. Moreover, large and neighboring patches increased pollinator richness and improved the overall network structure while the occurrence of meadows and shrubs around fragmented patches was important to ensure the continuity of floristic resources. Finally, extensive croplands and agricultural settlements significantly reduced plant and pollinator diversity, favoring generalist (probably invasive) species, which however increased the strength and stability of the network.

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Diptera as predators in biological control: applications and future perspectives

Burgio,

Dindo,

Pape

et al. 2024

BioControl

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The role of dipteran predators in biological pest control programs is reviewed and discussed. Diptera encompasses a large number of potentially efficient predators for biological pest control, yet only a few species are routinary used. The families Syrphidae and Cecidomyiidae provide some of the most successful examples of biological control, but other families (e.g., Muscidae, Sarcophagidae, Sciomyzidae) also include species with that potential. Most applications of Diptera as predators involve the conservation biological control approach, while the augmentative approach has involved only a few species, almost exclusively of Syrphidae and Cecidomyiidae. In a few cases, classical biological control has been employed. Commercialization of species mainly to be used in the augmentative approach is discussed, also focusing on the critical issues linked to rearing methods. The dual services performed by Diptera (pollination as adults and biological control as larvae) have been studied in detail for Syrphidae only, but would deserve further study in other families, e.g., Sarcophagidae. This is the first review in which the use of predatory Diptera in biological control programs is investigated for all families and in all types of applications. This review recommends a multi-taxon approach in the use of Diptera in biological control since a large number of taxa have considerable potential, although this has not yet been tested in practical applications.

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The surrounding landscape shapes the abundance of Sphaerophoria scripta and Melanostoma mellinum (Diptera: Syrphidae) in Portuguese vineyards

Cited by 6 publications

References 78 publications

A complex landscape favours the abundance and species richness of syrphids (Diptera: Syrphidae) in olive groves

A complex landscape favours the abundance and species richness of syrphids (Diptera: Syrphidae) in olive groves

Contrasting Response of Mountain Plant-Pollinator Network to Fragmented Semi-Natural Grasslands

Diptera as predators in biological control: applications and future perspectives

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