Identification difficulty = 3.
according to Ball & Morris, 20241
This is a woodland species that occurs on Chalk and limestone. The larval host plant is unknown and there are no obvious pointers to viable possibilities. Males are often noted sunning themselves on sun-lit leaves.
The following plots show the number of unique records per week excluding those reported to be of immature stages.
Lower Risk (Nationally scarce) - Ball & Morris, 20142. Rare (RDB3) - Falk, 19913 and Shirt, 19874.
This is a southern English species that is most commonly encountered in Surrey, Sussex, Kent, Dorset, Somerset and Gloucestershire.
The following plots show the Frescalo TFactor vs year and a map of the rescaled frequency (all records) for the species.
Ball, S., & Morris, R. (2024). Hoverflies of Britain and Ireland. WILDGuides (3rd ed.). Oxford: Princeton University Press. ↩
Ball, S., & Morris, R. (2014). A review of the scarce and threatened flies of Great Britain. Part 6: Syrphidae. ( No. 9). Species status (pp. 1–130). Peterborough: JNCC. ↩
Falk, S. (1991). A review of the scarce and threatened flies of Great Britain. ( No. 39). Research and Survey in Nature Conservation (pp. 1–194). Peterborough: NCC. ↩
Shirt, D. (Ed.). (1987). Red Data Books: 2. Insects. Peterborough: NCC. ↩