Aclastus gracilis (Thomson, 1884)

Verheyde, Fons, De Ketelaere, Augustijn, Ørsnes, Geir, Pénigot, William, Storey, Malcolm, Österblad, Ika, Cameron, Al, Engan, Gunnar, Fiala, Miroslav, Lutz, Jonas, Parkhomenko, Maksym, Gokhman, Vladimir E, Dekoninck, Wouter, Cooleman, Stijn & Mees, Jan, 2025, First comprehensive catalogue of hibernating Darwin wasps in the Western Palaearctic (Hymenoptera, Ichneumonidae), Biodiversity Data Journal 13, pp. e 176441-e 176441 : e176441-

publication ID	https://doi.org/10.3897/BDJ.13.e176441
DOI	https://doi.org/10.5281/zenodo.18083911
persistent identifier	https://treatment.plazi.org/id/5366C31B-92D8-5596-AB69-6290E4D75F99
treatment provided by	Biodiversity Data Journal by Pensoft
scientific name	Aclastus gracilis (Thomson, 1884)
status

Treatment

Aclastus gracilis (Thomson, 1884) View in CoL

Notes

Although Horstmann (1970) and Horstmann (1980) do not mention any original data, it is stated the species is common below bark, also on living trees. Not included were several specimens from Finland in November, found by beating vegetation.

Status: Confirmed.

Records: Belgium (2), Germany (3).

First record: 16. II. 1906 ( Anonymous (1909), Belgium).

Hibernacula: M (2), S (1), U (2).

Sources: Anonymous (1909), Horstmann (1970) and Horstmann (1980), Bauer (1984).