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r.c.brace@btinternet.com: Xylota sylvarum
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r.c.brace@btinternet.com: Volucella pelluscens
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r.c.brace@btinternet.com: Myathropa florea
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r.c.brace@btinternet.com: Helophilus fasciatus
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r.c.brace@btinternet.com: Episyrphus balteatus
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r.c.brace@btinternet.com: Empis sp.
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r.c.brace@btinternet.com: Empis sp.
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r.c.brace@btinternet.com: Chrysophilus cristatus