1. MICROPTERIGIDAE

1	Vertex black *Micropterix mansuetella*
	7.0-8.5mm. May and June. Forewing purplish gold with golden markings, viz. a spot or fascia at one-quarter and a fascia half-way.
-	Vertex yellowish, ochreous or ferruginous 2


2 (1)	Forewing golden or bronzy golden without paler or darker fasciae 3
	Forewing with basal area wholly or partly purplish.
-	Forewing with paler or darker fasciae 4
	Forewing bronzy golden with silvery white markings or golden with purplish fasciae or purplish with golden fasciae.

3 (2)	Forewing with only costal half of basal area purplish M. aruncella (part, female)
	6.0-8.5mm. May to early July.
-	Forewing with basal area wholly purplish *M. calthella*
	7.0-9.5mm. Late April to early June.

4 (2)	Forewing bronzy golden with silvery white markings M. aruncella (part, male)
	6.0-8.5mm. May to early July. Forewing with a narrow, usually incomplete fascia at one-quarter, a narrow fascia half-way and sometimes a spot in apical area.
-	Forewing golden with purplish fasciae or purplish with silvery golden fasciae 5


5 (4)	Forewing bronzy golden with reddish purple markings *M. tunbergella*
	8.0-11.5mm. Late April and May. Forewing with costal spot near base and three usually incomplete fasciae, the second one costally bifurcate.
-	Forewing purplish violet with silvery golden markings 6


6 (5)	Forewing with silvery golden markings only *M. aureatella*
	8.0-11.0mm. May to early June. Forewing with a fascia at one-quarter, occasionally incomplete, a fascia half-way and a usually incomplete fascia at three-quarters.
-	Forewing with silvery golden markings but in addition basal area partly greenish golden and with a streak of the same colour along termen 7


7 (6)	Forewing with greenish golden colour in basal half along dorsum from base to one-half, reaching median fascia and towards costa not beyond half of wing *M. schaefferi*
	8.7-12.2mm. May and June (in Central Europe).
-	Forewing with greenish golden colour in basal half along dorsum not reaching median fascia and towards costa beyond half of wing, often reaching costa *M. osthelderi*
	9.2-12.1mm. Late April and May (in Central Europe).