Metrioidea

Fairmaire, 1881

Species Guides

4

Metrioidea is a of skeletonizing leaf beetles in the Chrysomelidae, comprising approximately 18 described . The genus was established by Fairmaire in 1881. Its core distribution centers on Fiji and New Caledonia in Australasia, though additional species have been attributed to the Nearctic, Neotropical, and Indomalayan realms. Taxonomic uncertainty exists regarding New World species, which may belong to other genera.

Pronunciation

How to pronounce Metrioidea: /mɛtɹiˈɔɪdiə/

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Identification

in the New World attributed to Metrioidea are very similar to those in the Lilophaea, Luperodes, and Monolepta, requiring careful examination for accurate identification. The genus is characterized by skeletonizing leaf beetle typical of Chrysomelidae, though specific diagnostic features are not documented in available sources.

Distribution

Confirmed distribution includes Fiji and New Caledonia. Additional have been reported from the Nearctic, Neotropical, and Indomalayan realms, though these attributions are taxonomically uncertain and may represent misidentifications or species belonging to other .

Similar Taxa

  • LilophaeaNew World Metrioidea are very similar to Lilophaea, requiring careful differentiation
  • LuperodesNew World Metrioidea are very similar to Luperodes, requiring careful differentiation
  • MonoleptaNew World Metrioidea are very similar to Monolepta, requiring careful differentiation

More Details

Taxonomic Uncertainty

The taxonomic status of Metrioidea outside Australasia is unresolved. Species from the New World and Indomalayan realms attributed to this may actually belong to other genera, and revisionary work is needed to clarify boundaries.

Sources and further reading