Abstract
Opilio canestrinii is an expansive harvestman originating from the Apennine Peninsula which in the last decades of the XX century invaded Central Europe. New details on the occurrence of the species in Poland are given. The investigation carried out in Lublin revealed that currently this species is one of the most common harvestmen in Polish urban areas. The new data suggest that the species occurs in the whole country but its distribution is limited mainly to large and mid-sized towns.
Highlights
The original range of Opilio canestrinii (Thorell, 1876) comprises Tunisia, the Apeninne Peninsula together with the neighboring islands (Sicily, Malta, Elba) and parts of southern Alps (Martens 1978, Gruber 1985, 1988, Komposch 1993, Delfosse 2004)
During the second half of the X X century the species began to invade northwards, first to Austria, to Germany (Mainz, Stuttgart, Berlin; Martens 1978) and Switzerland (Luzern; Martens 1978). This process could be very well demonstrated by its distribution in Germany: Martens (1978) mentioned only three localities, Gruber (1985) already 12, and (Bliss 1990, Staudt 2010) the species is known from 169 localities
In the same time O. canestrinii has been found in Demnark (Enghoff 1987, Gruber 1988), southern Sweden (Enghoff 1988), Belgium (Vanhercke 1998), the Netherlands (Van der Weele 1993), Slovenia (Novak et al 2002), Czech Republic (Кlimes 1995, Klimeś & Rousar 1998), Slovakia (Klimeś 1999, Masail & Mihâl 2007), Hungary (Lengyel 2010), France (Delfosse & Iorio 2009, Iorio & Delfosse 2010) and southern England (Hillyard 2000, 2005)
Summary
The original range of Opilio canestrinii (Thorell, 1876) comprises Tunisia, the Apeninne Peninsula together with the neighboring islands (Sicily, Malta, Elba) and parts of southern Alps (Martens 1978, Gruber 1985, 1988, Komposch 1993, Delfosse 2004). (Białystok-Śródmieście [FD 48; 53°08' N, 23°09' E], Zamenhofa Str., walls of building, leg. Warszawa-Kamionek [EC 08; 52°14’N, 21°04’ E], walls of buildings, mostly by night, leg. D. Siedlce-Osiedle Warszawskie [EC 88; 52°09’N, 22°14’E], Romanówka Str., insolated wall of building, 07.2008 leg. Wroclaw-Stare Miasto [XS 46; 51°06' N, 17°01' E], walls of buildings and brick fences in the vicinity of the former Świebodzki railway station, 4.-5.10.2009 leg. Krasnystaw [FB 55; 50°59' N, 23°10' E], Kościuszki Str., brick fences and walls of buildings, 23.08.2009 leg. R. Rozwałka - 1 SSandomierz-Stare Miasto [ЕВ 51; 50°40' N, 21°44' E], walls of buildings, 13.09.2009 leg. D. Kraków-Ogród Botaniczny (Botanical Garden) [DA 24; 50°03' N, 19°57' E], walls of buildings, by night, 3.^1.08.2007 leg.
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