Occurrence of Platyarthrus schoblii (Isopoda, Oniscidea) and its ant hosts in Hungary

Hornung, Erzsébet and Vilisics, Ferenc and Tartally, András (2005) Occurrence of Platyarthrus schoblii (Isopoda, Oniscidea) and its ant hosts in Hungary. European Journal of Soil Biology, 41 (3-4). pp. 129-133. ISSN 1164-5563

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Abstract

The myrmecophilous Platyarthrus schoblii Budde-Lund, 1885 is widely distributed and native in the Mediterranean region. In Hungary it was first found at Budapest, in 2001, in a colony of Lasius neglectus van Loon, Boomsma and Andrasfalvy, 1990 (Hymenoptera: Formicidae). This invasive and polygynous ant species is dispersing in an antropochorous way throughout Europe. There are 16 known colonies of L. neglectus in Hungary. Fourteen of them have been surveyed for the isopod, which was detected in eight cases (57%). In addition to L. neglectus, the isopod has been recently found with other native ant species [Lasius niger (Linnaeus, 1758), Lasius emarginatus (Olivier, 1791) and Tetramorium caespitum (Linnaeus, 1758)] in the country. We have also found the joint occurrence off hoffmannseggii Brandt, 1833 and P. schoblii. The co-occurrence and joint expansion of the ranges of L. neglectus and P. schoblii indicates their co-habitation and antropochorous dispersal while the appearance with L. emarginatus, L. niger and T caespitum supports our hypothesis about possible adoption by different ant species.

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