40. BLASTOBASIDAE

1	Forewing grey with three to five distinct black dots without further markings *Hypatopa binotella*
	17.0-22.0mm. Mid June to early August.
-	Forewing marked otherwise 2


2 (1)	Forewing with dark grey fascia at one-third (occasionally interrupted subcostally), edged paler inwardly, fading into ground colour distally *Blastobasis phycidella*
	17.0-19.0mm. Early June to early July. Forewing grey to brownish grey; beyond dark fascia some dark greyish spots and streaks, margins of distal part of wing with series of darker spots.
-	Forewing without such a dark fascia 3


3 (2)	Forewing ochreous brown, somewhat glossy, with two dark spots at end of cell, usually indistinct. Labial palpus relatively short *Hypatopa inunctella*
	14.0-15.0mm. Late June to mid August. Forewing rather unicolorous.
-	Forewing marked and coloured otherwise. Labial palpus long, ascending and curved 4


4 (3)	Labial palpus cream, mottled with blackish brown outwardly and beneath *Blastobasis lacticolella*
	13.0-23.0mm. June, July and September to November, also recorded in late December (in Great Britain). Forewing ochreous yellow to pale ochreous, variably suffused with dark brown; some dark brown spots and blotches present; sometimes ends of veins faintly marked darker.
-	Labial palpus blackish brown, second segment with pale yellow scales distally, third segment mottled with pale yellowish *B. adustella*
	13.0-19.0mm. Mid July to September, occasionally later (in Great Britain and Ireland). Forewing creamy to greyish ochreous, variably suffused with blackish brown, sometimes even with dark appearance; some dark spots and blotches present and usually with a series of terminal dark dots.