Syrphid flies from a residence

Syrphid flies often overwinter in homes, attracted to the south, sunny side of the building. These are a few of a large number that had died inside. Specimens collected by Ryder Richards, November 19, 2015.

Syrphid flies, Arnold California
Syrphid flies, Arnold California, from a large group of dead flies in a wall void. Specimens collected by Ryder Richards, 19 November 2015
Syrphid fly
Syrphid fly, Arnold California, from a large group of dead flies in a wall void. Specimens collected by Ryder Richards, 19 November 2015
Syrphid fly.
Syrphid fly, Arnold California, from a large group of dead flies in a wall void. Specimens collected by Ryder Richards, 19 November 2015
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