Chromatomyia

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Chromatomyia aprilina on Lonicera periclymenum, Voltherbroek

Chromatomyia larvae always pupate inside the mine. Often this happens in a separate part of the mine, a sort of pupal chamber. There the front spiracula penetrate the plant epidermis. Like in all higher Diptera the adult fly leaves the puparium by pumping up a bladder on top of the head. This creates an irregular hole in the puparium wall.

Neither pupation within the mine nor penetrating spiracula are exclusive characters for Chromatomyia: both can be found in some Phytomyza species as well.

22.xii.2007

mod 6.viii.2017