Eutreta simplex is a species of tephritid or fruit flies in the genus Eutreta of the family Tephritidae.

[2] During the larval stage they form galls on members of the Asteraceae family, such as Artemesia ludoviciana.

They have been documented in California, Colorado, New Mexico,[4] and most recently, Kansas.

[5] This article related to members of the fly sub-family Tephritinae is a stub.

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