Erotylini

Latreille, 1802

Genus Guides

1

Erotylini is a tribe of pleasing fungus beetles (Erotylidae) within the Erotylinae. Members are primarily mycophagous, feeding on fungal basidiomes. The of at least one , Erotylina jaspidea, has been described from laboratory rearing, including complete developmental stages from to . The tribe is distributed across the Neotropical region with documented occurrence in Atlantic Forest remnants of Brazil.

Cucujoidea - Cypherotylus californicus by Katja Schulz. Used under a CC BY 2.0 license.Flickr - ggallice - Pleasing fungus beetle by Geoff Gallice from Gainesville, FL, USA. Used under a CC BY 2.0 license.Gibbifer californicus - Flickr - aspidoscelis (1) by Patrick Alexander from Las Cruces, NM. Used under a CC0 license.

Pronunciation

How to pronounce Erotylini: /ˌɛroʊˈtɪlɪnaɪ/

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Images

Habitat

Atlantic Forest remnants in Northeast Brazil have been documented for at least one . Members of the tribe are associated with fungal substrates, particularly polypore fungi.

Distribution

Neotropical region; documented from Northeast Brazil.

Diet

Mycophagous; feeds on basidiomes of polypore fungi including Lentinus substrictus and Favolus tenuiculus (Polyporaceae), as well as resupinate fungi.

Host Associations

  • Lentinus substrictus - food sourceBasidiomes consumed by larvae and
  • Favolus tenuiculus - food sourcePolyporaceae ; consumed by larvae and
  • Unidentified resupinate fungus - food sourceLaboratory rearing on unknown resupinate

Life Cycle

Complete with , larval, pupal, and stages. In Erotylina jaspidea, individuals were reared from oviposition through all stages in laboratory conditions on fungal substrates.

Behavior

Growth and feeding have been observed in laboratory rearing. Larval defensive behavior has been hypothesized but requires further study.

Ecological Role

Fungivore; contributes to decomposition and nutrient cycling through consumption of fungal basidiomes.

More Details

Life history documentation

The first complete description for any in the Erotylina was published for E. jaspidea in 2022, including morphological descriptions and photographs of all life stages.

Laboratory rearing methods

Successful rearing was conducted in Petri dishes and terraria using fresh fungal basidiomes as food substrate, enabling direct observation of developmental timing and .

Sources and further reading