Thymus *, thyme

Dichotomous table for leafminers

1a blotch mine without preceding corridor; after a short while the larvae live free between spun leaves: Scrobipalpa artemisiella

1b fleck mine => 2

1c galls, etc => Tables for all parasites per species

2a larva mines from a long silken tube, attached to the plant, into which it can retreat when endangered or during feeeding laused => 3

2b larva mines from a transportable case => 4

3a larva grey-green with whitish length lines: Scythris picaepennis

3b larva dark purple with whitish transverse bands: Scythris siccella

4a larva in a composite leaf case: Coleophora serpylletorum

4b larva in a sheath case => 5

5a larva: metanotum colourless: Colephora niveicostella

5b metanotum with two dark shields (occurence on thyme uncertain): Coleophora albitarsella

* Thymus, Coridothymus capitatus => Thymbra

Not included in the key: Coleophora lixella, obtectella, pyrenaica, struella, thymi, tolli; Phytomyza thymi; Sophronia humerella; Trifurcula thymi; Vulcaniella grabowiella.

mod 9.x.2017