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The species of Pritha Lehtinen, 1967 in Italy are revised for the first time, and a preliminary putative diagnosis for the genus is provided. Two new Italian species are described: Pritha parva sp. nov. (male and female) and P. sagittata sp. nov. (male and female). P. pallida (Kulczyński, 1897) and the type species P. nana (Simon, 1868) are entirely re-described. The copulatory organs, some other somatic characters and the habitus of each sex of the four Italian species are illustrated and photographed at high magnifications. P. debilis (Simon, 1911) and P. vestita (Simon, 1873) are removed from the synonymy with P. nana and revalidated to species status, and a lectotype is designated for the latter. P. pallida is recorded from Spain and Greece for the first time. Distribution, behavioural aspects and ecology of the four Italian species are discussed and photographs of live specimens, webs and habitats are provided.

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In the present study we describe and discuss for the first time the peculiar myrmecophilous habits of Anagraphis ochracea (L. Koch, 1867) and its strong association with the ant species Messor ibericus Santschi, 1931. The study is based on behavioural observations carried out both in the field and in captivity, and sheds light on the lifestyle of this poorly studied and rarely observed species. We also recorded the presence of A. ochracea on continental Italy and Sicily for the first time; provide a brief overview of its taxonomical history and present photographs of adult and juvenile specimens, the egg sac and the copulatory organs of both sexes. Finally, we provide a DNA-barcode (COI) for A. ochracea, which is the first for the genus Anagraphis as well.

The salticid spider Habrocestum graecum Dalmas, 1920, until now only known from Greece, is for the first time recorded in Italy. Observations on ecology and behavior are also reported and pictures of its habitus and genitalia are provided. Furthermore, the first DNA barcode sequence for H. graecum is produced and made publicly available. The species has been observed in Puglia, in South-Eastern Italy, and a trans-Ionian dispersal pattern is most likely the cause of its presence both in Greece and Southern Italy, as reported for other taxa with similar distribution in different animal groups.