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Showing posts with label SOUTHERN PILL WOODLOUSE (Armadillidium depressum). Show all posts
Showing posts with label SOUTHERN PILL WOODLOUSE (Armadillidium depressum). Show all posts

Friday 11 October 2024

11-10-2024 TINTERN ABBEY, WEXFORD - SOUTHERN PILL WOODLOUSE (Armadillidium depressum)


Armadillidium depressum, the southern pill woodlouse is a large, relatively common British species of woodlouse characterized by its "splayed" appearance.

Armadillidium depressum may reach a length of 20 millimetres (0.71 in) compared to 18 millimetres for Armadillidium vulgare, and is capable of rolling into a ball when disturbed. Like Armadillidium nasatum, it can be distinguished from Armadillidium vulgare by the gap it leaves when enrolled, instead of completely enclosing. Another distinguishing feature is that its pleon curve outwards, causing a splayed appearance. Otherwise, the appearance of A. depressum is very similar to A. vulgare in dark grey to black color.

Armadillidium depressum maximum length is 20 millimetres, compared to A. vulgare 18 millimetres.