Identification difficulty = 2.
according to Ball & Morris, 20241
The larva is of the 'long-tailed', aquatic type, and is associated with shallow standing water including wet, decaying organic matter around ponds and ditches, farmyard manure heaps and silage runoff. Adults are usually found visiting flowers in open situations such as woodland rides, hedgerows, meadows, road verges and urban wastelands. It is a frequent visitor to gardens.
The following plots show the number of unique records per week that were not reported to be of eggs, larvae or pupae.
This is a very widely distributed species that is almost certainly occurs more widely in north-west Scotland than records suggest.
The following plots show the Frescalo TFactor vs year and a map of the rescaled frequency (all records) for the species. For an explanation see here.
Ball, S., & Morris, R. (2024). Hoverflies of Britain and Ireland. WILDGuides (3rd ed.). Oxford: Princeton University Press. ↩