Amauromyza flavifrons

(Meigen, 1830)

A leaf-mining fly in the Agromyzidae, Amauromyza flavifrons is notable for documented cases of rapid evolutionary change in plant selection. have been observed to evolve avoidance toward novel hosts, specifically sugar beet (Beta vulgaris), when local exposure creates costs. This makes the a studied example of contemporary evolution in plant-insect interactions.

Amauromyza flavifrons by (c) Even Dankowicz, some rights reserved (CC BY), uploaded by Even Dankowicz. Used under a CC-BY license.

Amauromyza flavifrons mine by Jowaninpensans. Used under a CC BY-SA 4.0 license.

Pronunciation

How to pronounce Amauromyza flavifrons: /əˌmɔːrəˈmaɪzə ˈflævɪfrɒnz/

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Images

Distribution

Recorded from Belgium, Denmark, Norway, and Sweden. Distribution records indicate presence in the Flemish Region of Belgium.

Host Associations

Beta vulgaris - AVOIDED_HOSTSugar beet; near sugar beet farms show evolved avoidance , while sugar beet-free populations readily oviposit on this plant. The avoidance appears to have evolved in response to costs associated with this novel .

Behavior

Females exhibit oviposition discrimination that varies by : flies from areas without sugar beet farms readily oviposit on Beta vulgaris, whereas those from populations near sugar beet farms discriminate against this . This represents one of the first documented cases of host-avoidance evolution in the wild.

Ecological Role

; larval feeding creates mines in leaf tissue. -level variation in use suggests potential for rapid to local plant .

Similar Taxa

Amauromyza karliCongeneric stem-boring fly; differs in (stem-boring vs. leaf-mining) and associations, though both are agricultural pests with yellow coloration on .