Trichobaris compacta
Casey, T.L., 1892
datura weevil
Trichobaris compacta is a flower in the , commonly known as the datura weevil. The has been documented from the southwestern United States through the Pacific coastal ranges of Mexico to the Tehuantepec Isthmus. Genetic analysis indicates it forms a single genealogical lineage with admixed structure, showing no geographic barriers to across its range despite utilizing different species in different regions.
Pronunciation
How to pronounce Trichobaris compacta: /trɪˈkɒbəˌrɪs kəmˈpæktə/
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Habitat
Sonoran Desert and Pacific coast ranges of Mexico; associated with arid and semi-arid environments where Datura occur.
Distribution
Southwestern United States to the Tehuantepec Isthmus in the Pacific coastal ranges of Mexico; includes the Colorado River basin region.
Diet
Larval development occurs within fruits of Datura ; feed on tissues.
Host Associations
- Datura wrightii - primary in southwestern USA
- Datura discolor - used across entire range
- Datura reburra - used on Pacific coasts of Mexico
- Datura inoxia - used in southern Mexico
- Datura pruinosa - used in southern Mexico
Life Cycle
Females oviposit into fruits of plants; develop within the fruits.
Behavior
Mitochondrial lineages show no specific association with particular Datura ; individuals can utilize multiple Datura species across their geographic range.
Ecological Role
Seed of Datura ; may influence through fruit and seed consumption.