A female of wasp-mimicking hoverfly (Chrysotoxum sapporense, family Syrphidae) visiting white flowers of Madeira-vine (aka mignonette vine; Anredera cordifolia, family Basellaceae), which covered a concrete fence, to feed on nectar and pollen. Captured in the sunny midafternoon of late-September 2019 in Japan.
for a full story (text in Japanese);
https://sigma-nature-vlog.blogspot.com/2020/02/blog-post_17.html
