Thecesternini

Genus Guides

1

Thecesternini is a tribe of weevils within the Entiminae, Curculionidae. The tribe comprises four recognized : Arodenius, Cyphomastax, Herpes, and Thecesternus. Members are broad-nosed weevils, a characteristic feature of the Entiminae subfamily. The tribe has been documented in at least 234 iNaturalist observations, indicating moderate observational presence.

Pronunciation

How to pronounce Thecesternini: /ˌθiːsɛstɜrˈniːnaɪ/

These audio files are automatically generated. While they are not always 100% accurate, they are a good starting point.

Identification

Thecesternini can be distinguished from other Entiminae tribes by genitalic and skeletal characters used in tribal-level classification of broad-nosed weevils. Specific external morphological features distinguishing this tribe from related tribes such as Eustylini or Peritelini are not readily apparent without dissection and examination of internal structures. The Thecesternus, the type genus, provides the primary reference for tribal characteristics.

Distribution

The distribution of Thecesternini spans regions where its constituent occur. The genus Thecesternus has been documented in Australia and New Zealand. The genus Herpes occurs in South America. Specific distribution data for Arodenius and Cyphomastax are not readily available in the provided sources.

Similar Taxa

  • EustyliniAnother tribe in Entiminae; distinguished from Thecesternini by differences in male genitalia and other internal skeletal characters used in weevil
  • PeriteliniA related Entiminae tribe; separation requires examination of genitalic structures and other morphological details not visible externally

More Details

Taxonomic composition

The tribe contains four : Arodenius, Cyphomastax, Herpes, and Thecesternus. The type genus Thecesternus gives the tribe its name.

Sources and further reading