Parectopa robiniella - Lot Moths and Butterflies - species in Las Descargues, the Lot, France
drawing of a moth

GRACILLARIIDAE

Gracillariinae

Ladirat, 22 August 2013
Parectopa robiniella Adult

1101

© Robin Howard

Parectopa robiniella Clemens, 1863

Locust Digitate Leafminer

Wingspan: 5-6mm

A North American species first introduced into Italy in 1970 from where it has spread as a pest species to much of mainland Europe. Infestation by the species can cause early leaf-drop, often as early as mid-summer. A bivoltine or even trivoltine species on the wing from May to October. Adults have been recorded at mv lights at Las Descargues but only in August.

Larvae feed on Robinia pseudoacacia. Eggs are laid in a fork between the midrib and a lateral vein and the pale blotch mine is always produced over the midrib.

 

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