The larvae of the fly Phytomyza cytisi mine the leaves of Laburnum forming an irregular, whitish gallery, usually on the upper side of the leaf, but sometimes starting on the lower side. Frass is conspicuous and widespread.
Where Laburnum is present.
Mine: Bivoltine: summer and autumn.
Pupation occurs outside the mine. Puparium brown.
Not well recorded but appears to be widespread in Britain.
Status in Leicestershire and Rutland not known.
Leicestershire & Rutland Map
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