New species of Pseudoscorpiones (Arachnida) from tree hollows in a Mediterranean oak forest in Spain.

Pseudoscorpions inhabiting mature Quercus pyrenaica Willd. trees have been surveyed using hollow emergence traps and window traps in Salamanca, Spain. Three new species are described: Neobisium (N.

The spider family Dysderidae in the Balearic Islands.

The spider family Dysderidae in the Balearic Islands counts 6 species, which have all been revised. Dysdera arnedoi Lissner n. sp.