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Dasysyrphus pauxillus (Williston, 1887)

Identification

Identification difficulty = 5. microscope_icon camera_icon_cross according to Ball & Morris, 20241

Synonymy

Added to the British list by Rabarts (2011)2.

Biology

Members of the genus Dasysyrphus are aphidophagous but, as yet, the larva of D. pauxillus is unknown. Adults appear to be associated with conifer plantations.

Flight period

The following plots show the number of unique records per week excluding those reported to be of immature stages. Phenology plots for Dasysyrphus pauxillus

Distribution

Recorded from two sites in the Brecks of East Anglia by Rabarts (2011)2 and a site in Dorset by Parker (2013)3. This was a North American species that has been spreading west across Europe and its arrival in the UK had been expected. Distribution map for Dasysyrphus pauxillus

  1. Ball, S., & Morris, R. (2024). Hoverflies of Britain and Ireland. WILDGuides (3rd ed.). Oxford: Princeton University Press. ↩

  2. Rabarts, I. (2011). Dasysyrphus pauxillus (Williston) (Diptera, Syrphidae) new to Britain in Breckland. Dipterists Digest (Second Series), 17(2), 157–161. ↩ ↩

  3. Parker, M. (2013). An additional British site for Dasysyrphus pauxillus (Williston) (Diptera, Syrphidae). Dipterists Digest (Second Series), 20(2), 119. ↩