Myosotis forget-me-not

Dichotomous table for leafminers

1a fleck mine: Coleophora pennella

1b mine full depth; larva with chitinised head: Orthochaetes insignis & O. setiger

1c mine upper- or lower-surface; larva a maggot => 2

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

2a corridor untill the end, not even a secondary blotch: Chromatomya horticola

2b eventualy a primary or secondary blotch => 3

3a larva: cephalic skeleton with 2 arms pointing backwards: Phytomyza myosotica

3b cephalic skeleton with 3 arms pointing backwards => 4

4a larva solitary: Agromyza myosotidis & A. pseudorufipes

4b larvae communal: Agromyza abiens

Not included in the key: Coleophora pulmonariella; Cnephasia incertana; Dialectica scalariella; Orthochaetes setiger; Phytosciara halterata, Phytosciara macrotricha; Stephensia abbreviatella.

mod 9.x.2017