White-spined Woodlouce (Spherillo albospinosus)
The White-spined Woodlouce was described in 1900; it was only known from a single male specimen that was collected near the north-western coast of the island of O’ahu, Hawaiian Islands. An additional female specimen from Kaumakani (than known as Makaweli) near the south-western coast of Kaua’i was also assigned to that species.
The species has basically never been seen since and, like so many other Hawaiian endemic species, is quite surely extinct.
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References:
[1] Fauna Hawaiiensis; being the land-fauna of the Hawaiian islands. by various authors, 1899-1913. Cambridge [Eng.]: The University Press 1913
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edited: 07.08.2022