Life … Animals Arthropods Insects Flies Polleniidae Cluster Flies Pollenia amentaria Black-bellied Clusterfly species 351 observations Black-bellied Clusterfly Pollenia amentaria Field notes Supported by All 3 native plantssupport it in the US Nectar plants Plants whose flowers it visits Common Yarrow, Marsh Marigold, Field Dodder 3 Close
