Wingspan 9 to 11 mm with a distinctive patterning of brown and white.  The larva mines pine needles, starting from an oval egg at the tip; larva is green at end of summer

Several other moth species mine pine needles

Adult leaf mine

Photographs of mine in leaf tip, showing egg, and photo of larva; note host species. 

A species associated with coniferous woodland, in particular Pine (Pinus).

The adult moths have quite a long emergence period, from March until July, when they can be attracted to light.

The larva feeds internally on the needles of Pine.

Fairly well distributed throughout Britain, though less common in the north and west. In the Butterfly Conservation's Microlepidoptera Report 2011 this species was classified as local.

It appears to be uncommon in Leicestershire and Rutland, where there are few records. L&R Moth Group status = D (rare or rarely recorded).

http://www.leafmines.co.uk/html/Lepidoptera/C.subfasciella.htm

https://bladmineerders.nl/parasites/animalia/arthropoda/insecta/lepidoptera/ditrysia/yponomeutoidea/yponomeutidae/yponomeutinae/cedestis/cedestis-subfasciella/