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Pseudolaureola atlantica
Conservation status
Critically Endangered  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Malacostraca
Order:	Isopoda
Suborder:	Oniscidea
Family:	Armadillidae
Genus:	Pseudolaureola
Species:	P. atlantica
Binomial name
Pseudolaureola atlantica (Vandel, 1977)
Synonyms
Laureola atlantica

Pseudolaureola atlantica, the spiky yellow woodlouse, is a species of woodlouse endemic to St. Helena's High Peak.

Unlike woodlice that forage on the forest floor, the spiky yellow woodlouse inhabits the treetops of tree fern thickets and black cabbage tree woodland, as well as black scale fern groves, found on Peaks National Park. They have also been recorded inhabiting St. Helena redwood trees.

Its numbers are in decline due to introduced species such as rats and competition with foreign woodlice. Large scale flax farming is decimating the now-reduced black cabbage tree groves that it inhabits. A captive breeding program was attempted but failed because of their need for very precise conditions,their focus has now changed from captive breeding to preservation of habitat. Currently, there are approximately 100 known individuals on the island, after the discovery of approximately 40 to 100 individuals.

Pseudolaureola atlantica probably feeds on spores and pollen.

Pseudolaureola atlantica is 1 centimeter long. It is bright yellow and covered in spines, and it has no visual dimorphism between the sexes. Its bright coloration and spines are likely used to ward off potential predators it may encounter.

References

1. "WoRMS - World Register of Marine Species - Pseudolaureola atlantica (Vandel, 1977)".
2. ^ "Spiky yellow woodlouse". Buglife. buglife.org.uk. Retrieved September 4, 2015.
3. Hayne, Tricia; Brit-Gallagher, Susan (2015). St Helena: Ascension. Tristan Da Cunha. Bradt Travel Guides. p. 45. ISBN 9781841629391.
4. ^ Thorsen, Mike. "spikys". The Banzai Chicken Blog. Retrieved September 4, 2015.
5. "Rare woodlouse at risk from St Helena's quest to give us enough rope". The Guardian. December 8, 2013. Retrieved September 2, 2015.
6. "Spiky Yellow Woodlouse - St Helena National Trust". www.nationaltrust.org.sh. Archived from the original on 2017-10-19. Retrieved 13 October 2023.
7. "Spiky yellow woodlouse – the global population doubles! - Saving Nature with Science - Our work - the RSPB Community".

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