Myosotis, forget-me-not

fam. Boraginaceae

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 => 100

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

100a Nematoda => 101

100b Acari => 102

100c Coleoptera => 103

100e Diptera => 104

100f Hemiptera => 105

100d Hymenoptera => 106

100g rust fungi => 107

100h smut fungi => 108

100i powdery and downy mildews => 109

100j other causers => 110

101 – Nematoda

101a Anguinidae: Ditylenchus dipsaci

101b Meloidogynidae: Meloidogyne hapla

104 – Diptera

104a Cecidomyiidae: Dasineura fructicola, myosotidis

105 – Hemiptera

105a Aphididae: Myzus myosotidis

105b Tingidae: Dictyla humuli

107 – rust fungi

107a Cronarticeae: Cronartium flaccidum

107b Pucciniaceae: Puccinia cerinthes-agropyrina, isiacae

107c Pucciniastraceae: Pucciniastrum brachybotrydis

108 – smut fungi

108a Entylomataceae: Entyloma fergussonii

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces cynoglossi

109b Peronosporaceae: Peronospora myosotidis

110 – other causers

110a Fungi, Synchytriaceae: Synchytrium aureum, globosum, myosotidis

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

26/09/2016