Myrica bog myrtle
For “Myrica faya” see Morella.
Dichotomous table for leafminers
1a blotch or corridor mine => 2
1b lower-surface tentiform mine: Caloptilia stigmatella
1c fleck mine => 9
1d galls, etc => Tables for all parasites per species
2a at the start of the mine an egg shell => 3
2b no egg shell visible => 5
3a egg shell globular, shining; corridor strongly contorted, unbranched, finally > 3mm wide: Stigmella salicis
3b egg shell flat, oval, iridescent => 4
4a gallery often branched, at most 2 mm wide: Bucculatrix cidarella
4b most of the gallery in a dense spiral: Bucculatrix myricae
5a larva squat, without feet => 6
5b larva slender, with thoracic feet => 7
6a several mines in a leaf, mostly small with abundant frass; larva hibernates in the mine: Rhamphus pulicarius
6b mine large, solitary, inflated, transparant; pupa in the mine in a globular cocoon: Orchestes jota
7a mine full depth; larva reddish brown with black brown head: Spilonota ocellana
7b mine begins as an epidermal corridor, turning into a (usually) lower surface blotch with full depth patches => 8
7a large blotch, usually with several, deep pink larvae: Atemelia torquatella
7b mine different => 8
8a narrow gallery along the leaf margin; later several large blotches are made; larva mines all its life: Lyonetia ledi
8b the young larva makes a small mine of indefinite shape: Spilonota ocellana
9a spatulate leaf case: Coleophora milvipennis
9b composite leaf case: Coleophora lusciniaepennella
9c tubular leaf case: 10
9d lobe case => 11
10a case large and untidy: Coleophora siccifolia
10b case neatly formed, laterally flattened, upper margin often serrated: Coleophora serratella
11a case more or less straigt, not conspicuously narrowed towards the rear end: Coleophora violacea
11b case strongly curved, strongly tapering towards the end: Coleophora cornutella