A new species of Decuanellus Osella is described from the insular serpentine soil forests of Maricao State Forest, Puerto Rico. Decuanellus coronarostris Rodriguez Ruiz and Van Dam, new species, is a new Caribbean endemic species of eyeless weevil, which was collected from a leaf litter survey of Maricao State Forest (El Bosque Estatal de Maricao) during 2017. This species differs from other Decuanellus species by its lack of tubercles on the distal part of the elytra and by a peculiar crown-shaped projection on its rostrum from which the species name is derived. A revised key to Decuanellus is presented.
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7 December 2021
A New Species of Decuanellus Osella (Coleoptera: Curculionidae: Molytinae: Lymantini) from Maricao State Forest, Puerto Rico
Alfredo Rodriguez Ruiz,
Alex R. Van Dam
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The Coleopterists Bulletin
Vol. 75 • No. 3
September 2021
Vol. 75 • No. 3
September 2021
Curculionoidea
Greater Antilles
taxonomy
weevil
West Indies