Subfamily: ACROCERCOPINAE (5G 18S)Rest with front end raised (to ~40deg). Scape without eyecap
Foretibia, midtibia and distal half of midfemur strongly thickened with projecting coloured scales OR hindtibia with a conspicuous series of bristles C. Head smooth; hindtibia with bristles (see G.) > Dialectica, Acrocercops, Leucospilapteryx D. Head rough‐haired, hindtibia without bristles, midtibia thickened with projecting scales > Parornix, Callisto |
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Acrocercops
Vertex and frons smooth-scaled, scape sometimes tufted, labial palp S2 sometimes tufted; fore and midlegs smooth; hindtibia with a row of bristly hairs; hindtarsus slightly longer than hindtibia. 019 Acrocercops brongniardella
(Oak Cloud) 
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Dialectica
Considered as Acrocercops in MBGBI2 020 Dialectica imperialella
(Imperial Stilt) ws:7-8mm; May-Jun; comfrey (Symphytum officinale), lungwort (Pulmonaria officinalis); RDB in fens & damp woodlands in Cambs & Hunts 0202 Dialectica hedemanni New to Britain 2024 |
0201 Dialectica scalariella
(Echium Stilt) 
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Leucospilapteryx
As Acrocercops except for labial palp S2 loosely haired and some differences in venation |
Callisto (2S)
Scape without pecten, otherwise as Parornix apart from differences in venation. |
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021 Leucospilapteryx omissella
(Mugwort Stilt) 
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022 Callisto denticulella
(Apple Nymph) ws:10-12mm; May-Jun; apple (Malus spp); common in gardens and orchards in England & Wales, more local in Scotland. |
023 Callisto coffeella
(Highland Nymph) ws:12-12mm; Jun; sallow (Salix spp) RDB nr Braemar, Grampian at 500m, on dark-leaved willow (Salix myrsinifolia) or tea-leaved willow (S.phylicifolia). |
Parornix (10S)
Vertex and frons rough‐scaled, scape with pecten; foretibia slightly thickened, midtibia and midfemur strongly thickened, hindtibia slightly thickened; hindtarsus 1.25x length of hindtibia; wings lanceolate but broader than in Caloptilia.
Vertex and frons rough‐scaled, scape with pecten; foretibia slightly thickened, midtibia and midfemur strongly thickened, hindtibia slightly thickened; hindtarsus 1.25x length of hindtibia; wings lanceolate but broader than in Caloptilia.
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024 Parornix loganella
(Northern Birch Parornix) 
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025 Parornix betulae
(Birch Parornix) 
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026 Parornix fagivora
(Beech Parornix) 
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027 Parornix carpinella
(Hornbeam Parornix) 
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028 Parornix anglicella
(Hawthorn Parornix) 
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029 Parornix devoniella
(Hazel Parornix) 
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030 Parornix scoticella
(Rowan Parornix) 
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031 Parornix alpicola
(Alpine Parornix) ws:8-10m; May-Jun; mountain avens (Dryas octopetala); RDB North coast of Scotland at Invernaver NNR and Loch Eriboll |
032 Parornix finitimella
(Southern Blackthorn Parornix) 
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0321 Parornix atripalpella
(Dungeness Parornix) New to Britain June 2015, Dungeness, Aug, blackthorn (Prunus spinosa) |
033 Parornix torquillella
(Blackthorn Parornix) 
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