Angelica, wild angelica

1a short, clear, full depth corridor mines, usually several together in the axils of the lateral veins; larvae with distinct heads and feet; older larvae only with their front parts in the mine: Epermenia chaerophyllella

1b larger blotch or corridor mine, not in groups in the vein axils; larva a maggot => 2

1c galls, etc => 100

2a large blotch with conspicuous primary and secondary feeding lines; larva: rear spiracula each with 3 papillae => 3

2b corridor or blotch mine without conspicuous feeding lines; rear spiracula with more papillae => 4

3a larva in June – October: Euleia heraclei

3b larva in October – November: Cryptaciura rotundiventris

4a mine with a very inconspicuous lower-surface initital corridor; later mine a sometimes quite broad corridor or secondary blotch => 5

4b no lower-surface initial corridor => 6

5a later mine definitely corridor-like over its whole length; larva: upper backward-directed arm of cephalic skeleton black: Phytomyza archangelicae

5b backward-directed arm of cephalic skeleton brown: Phytomyza angelicastri

6a primary blotch without a hint of an initial corridor; usually several larvae in a mine: Phytomyza angelicae **

6b corridor mine: Phytomyza pastinacae

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 dispaci

103 – Coleoptera

103a Curculionidae: Lixus iridis

105 – Hemiptera

105a Aphididae: Dysaphis angelicae

105b Triozidae: Trioza anthrisci, apicalis

109 – powdery and downy mildews

109a Erysiphaceae: Erysiphe heraclei; Leveillula braunii

109b Peronosporaceae: Plasmopara angelicae

110 – other causers

110a Fungi, Protomycetaceae: Protomyces macrosporus

110b Fungi, Synchytriaceae: Synchytrium aureum

** there is a possibility that also Phytomyza sitchensis could be found on this hostplant.

Not included in the key: Cnephasia asseclana.

06/10/2016