Cleome, spider flower

Incl. Polanisia.

1a larva with well recognisable head; at least most of the mine full depth => 2

1b larva a maggot; mine essentually lower- or upper-surface => 4

1c galls, etc => 100

2a larva without feet: Ceutorhynchus minutus

2b larva with thoracic feet, but without prolegs: Phyllotreta nemorum

2c larva with both thoracic feet and prolegs => 3

3a larva: pinacula white; older larvae live free under the leaf, producing little or no spinning: Plutella xylostella

3b pinacula black; older larvae live free (sometimes boring in the stem), producing much silk: Hellula undalis

4a frass powdery, in green clouds in remote corners of the mine: Scaptomyza flava

4b frass in black strings or pearl chains => 5

5a corridor pinnately branched, main and side branches on top of the midrib and lateral veins: Liriomyza strigata

5b corridor running through the leaf independently of the veins => 6

6a larva: rear spiraculum with 3 papillae: Liriomyza brassicae

6b rear spiraculum with 7-12 papillae: Liriomyza bryoniae

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

107 – rust fungi

107a Pucciniaceae: Puccinia isiacae

109 – powdery and downy mildews

109a Erysiphaceae: Erysiphe cruciferarum; Leveillula cleomes

110 – other causers

110a Fungi, Albuginaceae: Albugo candida

08/09/2015