Robuta

https://animaldiversity.org/collections/contributors/phil_myers/diptera/Merodon_equestris4676/

Merodon_equestris4676 | Animal Diversity Web

animal diversity web merodon

https://mapress.com/zt/article/view/zootaxa.4374.1.2

Review of the Merodon albifasciatus Macquart species complex (Diptera: Syrphidae): the...

species complex review merodon macquart diptera