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Orthochaetes setiger ( Beck, 1817)
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larva in mine

Food Plant: Cyclamen hederifolium, C.persicum, Allium ursinum (Ramsons), Centaurea spp., Ajuga spp. (Bugles), Hieracium spp. (hawkweed), Hyacinthoides non-scripta (Bluebell), Lactuca spp. (Lettuce), Plantago spp. (Plantain), Myosotis spp. (Forget-me-not), Sonchus spp. (Thistle), Taraxacum officinale agg (Dandelion)
Recorded Elsewhere: Aposeris
Bellidiastrum michelii, Chondrilla, Cichorium intybus (Chcory), Crepis biennis (Rough Hawk's-beard), Hypochaeris radicata (Cat's-ear), Lapsana communis (Nipplewort), Leontodon autumnalis (Autumn Hawkbit), L. hispidus (Rough Hawkbit), Leucanthemum vulgare (Oxeye Daisy), Mycelis muralis (Wall Lettuce), Picris hieracioides (Hawkweed Oxtongue), Pilosella officinarum (Mouse-ear-hawkweed), Solidago virgaurea (Goldenrod)

Mine: May-July

Notes: Forms an irregular branched corridor mine associated with the midrib or from the petiole (as shown, with the larva in the mine). The larvae changes leaves and the mine develops into a blotch in the second leaf. Widespread but uncommon in the UK. Mine shown is on Cyclamen. A polyphagous species. Bland et al (2021) describe finding mines in the fleshy walls of bluebell seed capsules, but with no mines in the leaves or stems of this host.

Data: 25.iv.2009, Fleet, Hants, VC12

Image:© Rob Edmunds

Bland KP & Nelson JM (1997) - Orthochaetes setiger (Beck)(Coleoptera:Curculionidae) leaf-mining Allium ursinum in southern Scotland. Br.J.ent.Nat.Hist., 10, 65-67
Bland KP & Nelson JM (2021) - A new foodplant for Orthochaetes setiger (Beck)(Coleoptera:Curculionidae) and comments on its biology. Br.J.ent.Nat.Hist., 34, 33-34

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