File:Pselaphochernes scorpioides (35786859363).jpg

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Pselaphochernes scorpioides (Hermann, 1804), Dyrehaven, Denmark, 15 August 2017

Length: 1.9mm

Keyed using the recent UK Field Studies Council key as follows:

Abdomen divided down middle NOT pale tiny species with circular depression in cephalothorax Apparently blind Body setae NOT pointed but with club-like tips Dull brown, with trichobothria at end of abdomen Trichobothrium on fourth tarsus NOT a large species (much less than 3mm long) Trichobothrium in middle of fourth tarsus

Keyed following Legg and Jones in Synopses of the British Fauna as follows:

1: Tergites divided - MONOSPHYRONIDA --> 12 12: Larger, more elongated species, cephalothorax without posterior circular depression --> 13 13: Eyes absent or indistinct - CHERNETIDAE --> 14 14: Tibia IV with tactile seta --> 15 15: Second groove of cephalothorax well-defined: body and pedipalpal setae short, clavate and dentate --> 18 18: Cephalothorax tubercles small; posterior end of opisthosoma carrying 1+2 trichobothria on tergite and sternite XI respectively - Pselaphochernes --> 19 19: Trichobothriumon sternite XI equal to length of outer pair of trichobothria on sternite XI, inner tergite pair being shorter: trichobothrium present in middle of tarsus IV - Pselaphochernes scorpioides

Compare with these excellent images:

arachno.piwigo.com/picture?/22751/category/1622-pselaphoc...

Contrast with Lamprochernes savignyi:

arachno.piwigo.com/picture?/26400/category/1793-lamproche...
Date
Source Pselaphochernes scorpioides
Author Donald Hobern from Copenhagen, Denmark
Camera location55° 46′ 49.47″ N, 12° 34′ 51.71″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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This image was originally posted to Flickr by dhobern at https://flickr.com/photos/25401497@N02/35786859363 (archive). It was reviewed on 30 October 2017 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-by-2.0.

30 October 2017

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current17:59, 30 October 2017Thumbnail for version as of 17:59, 30 October 20171,824 × 1,368 (801 KB)Rudolphous (talk | contribs)Transferred from Flickr via Flickr2Commons

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