Larger Rapa Nui Cossine Weevil (Curculionidae gen. & sp.)

The Larger Rapa Nui Cossine Weevil is one of two weevils from the subfamily Cossoninae that was found in core samples that were collected from the lake of the Rano Kau volcano on Rapa Nui.

The species is known from 7 heads, two prothoraces, 15 elytra, one meso/metasternum, and one abdomen base, it reached an estimated size of about 0,34 to 0,36 cm. [1]

The species is now extinct.

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References:

[1] M. Horrocks; M. Marra; W. T. Baisden; J. Flenley; D. Feek; L. González Nualart; S. Haoa-Cardinali; T. Edmunds Gorman: Pollen, phytoliths, arthropods and high-resolution 14C sampling from Rano Kau, Easter Island: evidence for late Quaternary environments, ant (Formicidae) distributions and human activity. Journal of Paleolimnology 50(4): 417-432. 2013

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edited: 10.12.2018