The Smaller Rapa Nui Cossonine Weevil is one of two new weevil species that were recorded from core samples that were collected from the lake in the Rano Kau volcano on Rapa Nui.

The species is known from four heads, six prothoraces, 13 elytra and two first two-fused ventrites, it reached an estimated size of about 0,25 to 0,29 cm. [1]

The species is now extinct.

*********************

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

*********************

edited: 10.12.2018