Malva, mallow

Incl. Lavatera, tree mallow

1a fleck minel arva in a helicoidal case: Apterona helicoidella

1b corridor or blotch => 2

1c galls, etc => 100

2a mine small, irreguglar => 3

2b mine > 1 cm, a definite corridor or blotch => 4

3a last abdominal segment with a black anal comb: Cnephasia asseclana

3b no anal comb present: Cnephasia stephensiana

4a Oviposition site covered by a shining black drop of dried secretion: Trachys troglodytiformis

4b no such drop => 2

5a corridor, sometimes quite broad, overlying midrib and side veins => 6

5b long, narrow corridor, closely following midrib and/or side veins: Bucculatrix lavaterella

5c mine not associated with leaf venation => 7

6a corridor rather narrow, not varying in depth and width: Liriomyza strigata

6b corridor strongly varying in width and depth; especially on top of the midrib sometimes almost blotch: Liriomyza xanthocera

7a gallery from start to end (perhaps a secondary blotch) => 8

7b blotch, possibly preceded by a gallery part => 9

8a frass in isolated grains; pupation within the mine, in a, generally lower-surface, pupal chamber: Chromatomyia horticola

8b frass in short strings; pupation expternal: Lyriomyza bryoniae

9a blotch preceded by an intestine-like zigzagging gallery: Agromyza brunnicosa

9b blotch preceded by a short simple gallery, the usually is overrun by the later blotch: Dialectica hedemanni

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

102 – Acari

102a Eriophyidae: Aceria gymnoprocta

103 – Coleoptera

103a Apionidae: Malvapion malvae

105 – Hemiptera

105a Aphididae: Aphis umbrella

105b Asterolecaniidae: Planchonia arabidis

107 – rust fungi

107a Pucciniaceae: Puccinia malvacearum

109 – powdery and downy mildews

109a Erysiphaceae: Golovinomyces orontii; Leveillula contractirostris

25/10/2015