Caerau Nature & the rest of the world
Saturday, 6 August 2016
Cwmfelin Park - 21 Species of Hoverfly present today, best of below.
Cheilosia species -
possibly "latifrons" - specimen taken as there were a few about for analysis at the end of year.
- male hovering over female is diagnostic behaviour [pertinax behind].
Helophilus trivittatus -
- black scutellum and thorax plus unmodified tarsi in male means Melanostoma. Shape of tergites on abdomen are square ruling out scalare.
- garrotted while potting.
Martyn Hnatiuk MartynH
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