This is most probably I. bicornuta. See http://www.jstor.org/stable/4114645 if you have access to JSTOR. Grey-Wilson describes characteristic s-shaped spur Wojciech
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This is most probably I. bicornuta. See http://www.jstor.org/stable/4114645 if you have access to JSTOR. Grey-Wilson describes characteristic s-shaped spur Wojciech
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