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Eur. J. Entomol. 2007, 104(1): 159161
Acceptance of two native myrmecophilous species, Platyarthrus hoffmannseggii (Isopoda: Oniscidea) and Cyphoderus albinus (Collembola: Cyphoderidae) by the introduced invasive garden ant Lasius neglectus (Hymenoptera: Formicidae) in Belgium
DEKONINCK W.*, LOCK K. & JANSSENS F.
The myrmecophilous isopod Platyarthrus hoffmannseggii Brandt, 1833 and the myrmecophilous springtail Cyphoderus albinus Nicolet, 1842 are commonly found in nests of a wide range of ant species in Belgium. Here we report the first record of both myrmecophiles in nests of the invasive garden ant Lasius neglectus in the Citadelpark of Ghent, Belgium. Platyarthrus hoffmannseggii was found in two of the Lasius neglectus nests studied. In one of the two C. albinus was also discovered. In the localities where the invasive garden ant Lasius neglectus was introduced, as is also the case in the Citadelpark in Ghent, it out-competes all native ant species. This ant has a dramatic effect on the local native ant fauna. However, some of the myrmecophilous species associated with the native ant-fauna are less threatened as they are accepted by this invasive garden ant.
AddressRoyal Belgian Institute of Natural Sciences, Department of Entomology, Vautierstraat 29, B-1000 Brussels, Belgium; e-mail: wouter.dekoninck@natuurwetenschappen.be
KeywordsIsopoda, Oniscidea, Collembola, Cyphoderidae, Hymenoptera, Formicidae, Lasius neglectus, myrmecophilous species, invasive species, acceptance, Cyphoderus albinus, Platyarthrus hoffmannseggii
