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Notes:
Nationally scarce (Na) in urban areas and on old buildings in southern England. Not recorded in Hampshire or on the Isle of Wight to date. Wingspan 10-12 mm. Very similar to B. dryadella and often only separable by dissection of the genitalia, however shape of fascia is straight or slightly inwards-bent in B. dryadella, but slightly outwards-bent and rarely straight in B. basaltinella (MBGBI Vol 4 part 2). Larva feeds on various mosses, living within a silken tube or tent.
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Flightime guide |
| J | F | M |
A | M | J |
J | A | S |
O | N | D |
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