Caryobruchus

Bridwell, 1929

pea and bean weevils

Caryobruchus is a of in the Chryselidae, commonly known as 'pea and bean .' The genus contains approximately six described , including one extinct species, Caryobruchus dominicanus, known from Dominican Republic amber. Members of this genus are specialized seed , primarily associated with palms (Arecaceae). The most widely distributed species, Caryobruchus gleditsiae, has been from the New World to the Old World and feeds on seeds from at least 11 genera of palms.

Caryobruchus by (c) Annika Lindqvist, some rights reserved (CC BY), uploaded by Annika Lindqvist. Used under a CC-BY license.Caryobruchus gleditsiae by (c) Sean Golden, some rights reserved (CC BY), uploaded by Sean Golden. Used under a CC-BY license.Caryobruchus gleditsiae by (c) Dan Johnson, some rights reserved (CC BY), uploaded by Dan Johnson. Used under a CC-BY license.

Pronunciation

How to pronounce Caryobruchus: /ˌkærioʊˈbruːkəs/

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Distribution

The is native to the New World. Caryobruchus gleditsiae specifically has been to the Old World and is now widely distributed globally. The extinct C. dominicanus is known from Dominican Republic amber.

Diet

Seed ; feeds on seeds of Arecaceae (palm ). Caryobruchus gleditsiae has been documented feeding on seeds of at least 11 of palms, including Sabal palmetto, Sabal mexicana, and Sabal uresana.

Host Associations

  • Sabal palmetto - seed causes damage rates of 3.48% to 77.77% in Sinaloa, Mexico
  • Sabal mexicana - seed causes damage rates of 3.48% to 77.77% in Sinaloa, Mexico
  • Sabal uresana - seed causes damage rates of 3.48% to 77.77% in Sinaloa, Mexico
  • Arecaceae - seed 11 documented as for C. gleditsiae

Behavior

Seed documented in C. gleditsiae, causing variable damage rates to palm seeds.

Ecological Role

Seed of palms; may influence palm recruitment and through seed mortality.

More Details

Species count

Approximately six described , including the extinct Caryobruchus dominicanus from Dominican Republic amber.

Taxonomic note

Despite the 'pea and bean ,' this is not associated with legumes but rather with palm seeds.

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Sources and further reading