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I am doing a survey on the genus Didea,
in an effort to clear any doubts around this genus, whether or not there could be a fourth species involved. If we are dealing whith an unknown species, this species could occur in the northern regions of Europe, Scotland and maybe (sub-) mountainous areas elsewhere.
For this, I would like to ask people who have 'strange-looking' Didea's in their collection, males and females, if they are willing to help me a hand.

Second queation: I am looking for the type-specimens. So if anyone already knows where the typespecimens are (see: Peck), that would help me speed up the search a lot.

Thanks!