Redescriptions of critical type species in the Eustylini Lacordaire (Coleoptera: Curculionidae: Entiminae)

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Abstract

Detailed morphological redescriptions and illustrations are provided for the following type species of six diverse and taxonomically overlapping genera of broad-nosed weevils, traditionally placed in or near the Neotropical tribe Eustylini Lacordaire (Coleoptera: Curculionidae: Entiminae): Compsus argyreus (Linnaeus), Diaprepes abbreviatus (Linnaeus), Eustylus puber (Olivier), Exophthalmus quadrivittatus (Olivier), Exorides wagneri (von Harold), and Lachnopus valgus (Fabricius), which is apparently not a member of this tribe. Descriptions of mouthparts, male and female terminalia, and of other external and internal structures are reported for the first time, and thus build a foundation for re-examining the taxonomic limits and phylogenetic relationships among eustyline genera. It is suggested that the type specimen of D. abbreviatus, originally described by Linnaeus, pertains to populations that occur along the northern coast of Puerto Rico.

Original languageEnglish (US)
Pages (from-to)41-80
Number of pages40
JournalJournal of Natural History
Volume44
Issue number1-2
DOIs
StatePublished - 2010
Externally publishedYes

Fingerprint

Diaprepes abbreviatus
type specimen
redescriptions
Curculionidae
Coleoptera
phylogenetics
coast
Terminalia
mouthparts
Puerto Rico
type collections
coasts
phylogeny

Keywords

  • Compsus
  • Diaprepes
  • Exophthalmus
  • Morphology
  • Systematics (the discipline)

ASJC Scopus subject areas

  • Ecology, Evolution, Behavior and Systematics

Cite this

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abstract = "Detailed morphological redescriptions and illustrations are provided for the following type species of six diverse and taxonomically overlapping genera of broad-nosed weevils, traditionally placed in or near the Neotropical tribe Eustylini Lacordaire (Coleoptera: Curculionidae: Entiminae): Compsus argyreus (Linnaeus), Diaprepes abbreviatus (Linnaeus), Eustylus puber (Olivier), Exophthalmus quadrivittatus (Olivier), Exorides wagneri (von Harold), and Lachnopus valgus (Fabricius), which is apparently not a member of this tribe. Descriptions of mouthparts, male and female terminalia, and of other external and internal structures are reported for the first time, and thus build a foundation for re-examining the taxonomic limits and phylogenetic relationships among eustyline genera. It is suggested that the type specimen of D. abbreviatus, originally described by Linnaeus, pertains to populations that occur along the northern coast of Puerto Rico.",
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