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Hi,

this is quite a thrill for me - this is my first Periscelis, Periscelididae, and more exciting yet, at least to me, is that it has been caught in the middle of the boreal forest in Northern Sweden! The window trap where it was found was set on an recently dead Aspen. All other swedish records of Periscelididae are from the southern third of the country, where there are many more species of decidious trees (and many more entomologists...).

I have gotten a copy of Duda´s keys in Lindner, and the missing posterior cross-vein would rule out everything except P.nigra and P. annulipes. P. annulipes is a bigger species with median stripes on the mesonotum. So I think that this is the rare P. nigra, then! But I´ve read here on the forum that there are additional undescribed species out there - would it be safe to ID this as P. nigra?

Haven´t checked all the details for this specific trap, but it is from the summer of 2009 at about 64 degrees northern latitude in Sweden.

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Lateral pleura of thorax..

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...and the head. My camera died on me before I got pics of the antenna, but I guess this suffice.

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Verified as P.nigra by Laszlo Papp.

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May I ask: did You write him an email? To which email adress?

Thanks!

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Yes I did, I wrote to him at
lpapp <>AT<> zoo.zoo.nhmus.hu

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actually I wrote to him at another e-mail adress, but he responded from that one, so I guess it is the correct one.

and yes, it should be two (2) "zoo" in the e-mail adress!

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Thanks!