''Euaresta bella'' is a species of tephritid or fruit flies in the family

Tephritidae The Tephritidae are one of two fly families referred to as fruit flies, the other family being the Drosophilidae. The family Tephritidae does not include the biological model organisms of the genus ''Drosophila'' (in the family Drosophilidae), w ...

. The larvae feed on ''

Ambrosia artemisiifolia ''Ambrosia artemisiifolia'', with the common names common ragweed, annual ragweed, and low ragweed, is a species of the genus '' Ambrosia'' native to regions of the Americas. Taxonomy The species name, ''artemisiifolia'', is given because the le ...

'', the only known host. There is one generation per year.Bugguide.net. Species ''Euaresta bella''
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References

Tephritinae Insects described in 1862 Diptera of North America {{tephritinae-stub