Armadillidium album Dollfus, 1887

Boeraeve, Pepijn, Arijs, Gert, Segers, Stijn, Smedt, Pallieter De, Spinicornis & Utm, Belgium. Every grid cell of the, 1908, Habitat and seasonal activity patterns of the terrestrial isopods (Isopoda: Oniscidea) of Belgium, Belgian Journal of Entomology 116, pp. 1-95 : 54

21. Armadillidium album Dollfus, 1887

( Fig. 19 e , Fig. 25 , Map 21 , Table 23)

Armadillidium album is a very rare species in Belgium, found on sand beaches among sea drift material at the high-water line and up to the high-water mark of spring tides. It is unclear if the species has viable populations in Belgium, or if the species only accidentally arrives from neighbouring countries via sea drift. There are only three confirmed records and the two recent records were composed of only one individual. All records were from the most eastern part of the Belgian coast ( Map 21 ).

Recent records are from July 2009 (not included in the dataset for the present study) and January 2016. An old confirmed record dates from May 1978 ( KERSMAEKERS, 1988). These few observations do not allow us to make statements about the species phenology.

Figures

Map 21. Distribution map for Armadillidium album.

Fig. 19. a, Oniscus asellus; b, Philoscia affinis; c, Philoscia muscorum; d, Platyarthrus hoffmannseggii; e, Armadillidium album; f, Armadillidium nasatum; g, Armadillidium opacum; h, Armadillidium pulchellum.

Fig. 25. Corrected number of observations per two-month period for Armadillidium album (N=1).