Aclastus longicauda Horstmann, 1980

Vas, Zoltan & Kutasi, Csaba, 2016, Hymenoptera from caves of Bakony Mountains, Hungary - an overlooked taxon in hypogean research, Subterranean Biology 19, pp. 31-39 : 34-35

Taxon classification Animalia Hymenoptera Ichneumonidae

Aclastus longicauda Horstmann, 1980

Material examined.

Hungary, Veszprém County, Balatonfüred, Lóczy Cave, Felső-terem [Upper-room], DFE: 38 m, 11 June 2011-25 September 2011, leg. Zs. Csermák, 1 ♀.

Remarks.

First record in the Hungarian fauna. This species has been described from Sweden (Horstmann, 1980), and besides Sweden it has only been reported from Finland (Jussila, 1989) so far. The presence of this species in Hungary suggests a much more widespread distribution within Europe than it was apparent before. Additionally, this species is first reported here in association with hypogean environment. No particular host of Aclastus longicauda is known; however, based on data from close relatives it might be an idiobiont parasitoid of spider egg sacs (e.g. Amaurobiidae , Linyphiidae , Micryphantidae ) ( Horstmann 1980, Finch 2005, Yu et al. 2012). This phenomenon also could explain its occurrence in caves: it may search for spider eggs sacs there.