Euaresta bullans
(Wiedemann, 1830)
Spiny Cocklebur Fruit Fly
Euaresta bullans is a fruit fly in the Tephritidae, commonly known as the Spiny Cocklebur Fruit Fly. The is native to South America and has been introduced to multiple regions including western North America, southern Europe, the Middle East, South Africa, and Australia. It is associated with plants in the Ambrosia, Xanthium, and Dicoria, where it feeds on flowers and seeds.
Pronunciation
How to pronounce Euaresta bullans: /juːˈæɹɛstə ˈbʊlænz/
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Habitat
Associated with plants in the Ambrosia, Xanthium, and Dicoria. These plants typically occur in disturbed , agricultural areas, and open fields.
Distribution
Native to Peru, Chile, Argentina, and Uruguay. Introduced and established in California and Arizona (USA), southern Europe, the Middle East, South Africa, and Australia.
Diet
Feeds on flowers and seeds of plants in the Ambrosia, Xanthium, and Dicoria.
Host Associations
- Ambrosia - plantFeeds on flowers and seeds
- Xanthium - plantFeeds on flowers and seeds; refers to Spiny Cocklebur (Xanthium )
- Dicoria - plantFeeds on flowers and seeds
Human Relevance
Has been introduced to multiple continents, likely through human-mediated transport of plants. Potential significance as a agent or pest of weedy Ambrosia and Xanthium , though specific impacts are not well documented.
More Details
Introduction History
The has undergone substantial range expansion through human activity, establishing across multiple continents outside its native South American range. The timing and of these introductions are not well documented.