Preponini

Preponini is a tribe of within the Charaxinae (), comprising approximately 22 recognized . Molecular studies have significantly revised the group's : Anaeomorpha splendida was excluded to maintain tribal (reinstated as tribe Anaeomorphini), Noreppa was synonymized with Archaeoprepona, and Agrias was synonymized with Prepona. The tribe is distributed in the Neotropical region and includes some of the region's most visually striking butterflies.

Archaeoprepona demophon by (c) Geoff Gallice, some rights reserved (CC BY). Used under a CC-BY license.

Archaeoprepona demophon by (c)
Tim Sheerman-Chase, some rights reserved (CC BY). Used under a CC-BY license.

Pronunciation

How to pronounce Preponini: //prɛpɔˈniːni//

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

Identification

are large, with broad and rapid, powerful . Many exhibit iridescent , green, or orange upperwing coloration with contrasting or spots. possess distinctive capsule ornamentation and body armature that varies among species; these stage characteristics have proven taxonomically informative for distinguishing and species within the tribe.

Images

Habitat

Forest , including forest fragments. stages have been documented in Lauraceae vegetation.

Distribution

Neotropical region.

Host Associations

Cinnamomum - larval Two of Cinnamomum (Lauraceae) documented as plants for Archaeoprepona amphimachus pseudomeander

Life Cycle

with distinct , larval, pupal, and stages. feed on plants and possess specialized morphological for feeding on Lauraceae.

Behavior

have been observed to exhibit rapid, powerful . Some related Charaxinae are known to rest with closed, resembling dead leaves; however, specific resting for Preponini requires confirmation.

Human Relevance

Collected and appreciated for their striking appearance; some are familiar and sought after by .

Similar Taxa

AnaeomorphiniFormerly included within Preponini; excluded based on molecular to maintain of Preponini. Anaeomorpha splendida never grouped with remaining Preponini in phylogenetic analyses.
Other Charaxinae tribesPreponini distinguished by combination of (large size, build, specific patterns) and stage characteristics ( capsule structure, larval armature) that support its revised circumscription.

More Details

Taxonomic instability

The tribe has undergone significant recent revision based on molecular . changes include: synonymization of Noreppa with Archaeoprepona; synonymization of Agrias with Prepona; elevation of Prepona claudina and Prepona narcissus to status; and recognition that Prepona pheridamas may warrant separate generic status due to marked morphological and molecular divergence.

Research needs

Significant sequence divergence and paraphyly or polyphyly within several putative (including Prepona pylene and Prepona deiphile) require further taxonomic attention. Future research should on broader sampling of widespread, polymorphic species.