Wingspan around 10 mm. Like other Parornix species, the adults of P. finitimella are difficult to identify and are best determined by the structure of the genitalia.
Various habitats especially where Blackthorn is present.
There are two generations, flying in May and again in August.
The larval foodplant, Blackthorn is shared with the similar Deltaornix torquillella and the mines are difficult to distinguish. The larvae however are different; P. finitimella is greyish with black rings on the legs, whereas D. torquillella is usually pale green with concolorous legs.
Distributed in the southern half of England and Wales, ranging northwards to Yorkshire. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as common.
Occasional in Leicestershire and Rutland. L&R Moth Group status = C (very scarce resident or rare migrant).
Leicestershire & Rutland Map
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