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Hello,

several of these tiny (2 mm) Psychodids I find at the bathroom sink since a week or two(northwest Germany).

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I don't know. It has the wings folded, so it should be a Psychoda spec. But they are anything between white and grey, not blackish. Try to make more pictures. And when you find a dead one, look at the last segments of the antennae under a miscroscope.

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Hello weia,

thank you for your reply.


I know the "normal" Psychodas, but this is not a single case. There are several of them, all completely black. I have also seen a mating couple.


I will try, but I doubt, that I will get much better photos. They are so small...


I can only try a magnifying glass, I don't own a microscope.

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Hello,

I have just tried to shoot a better pic of an antenna.

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You come quite far with the antenna. I have only knowledge of the species of the Netherlands and Belgium, so with some reserve: it looks like subspecies Psychoda, which in my region contains 3 species. It looks much like Psychoda (Psychoda) crassipennis, but I have never seen one in a collection, so I don't know its colour.
Crassipennis means 'thick wing'

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Did you watch the mating behaviour? Before and how they find each other, duration?

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Thanks again for your reply.



I only saw one couple already together, abdomen to abdomen. They sat there at the wall quite a while.