Lep:Praydidae
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22.005 Prays peregrina Agassiz, 2007
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second instar mines
first instar mines
exit slit

 

Food Plant: Ruta chalepensis (Fringed Rue), R.graveolens (Common Rue)

Egg: underside the leaf, away from the edge

Mine: Continuously brooded or possibly four generations: April-May; July-August; September; October-November

Notes: The moth was discovered in London in 2003- 2007(Agassiz, 2007) and subsequently found in urban locations in the south east of England by 2016 (Agassiz & Kiddle, 2016). The life history was unknown until Plant (2016) was able to elucidate this. The first instar larvae mine within the upper surface of a leaf (top photo) and exit on the upper side. Subsequent larval instars mine the leaves full depth (middle photo) and move frequently to other leaves. The final instar larva may mine a leaf or feed externally. The pupa is formed in loosely spun leaves and hangs head down, attached by the cremaster. Pupation lasts around 7 days. The newly emerged adults drop to the ground when disturbed. The larva exits through the uppersurface (bottom photo),

Data: x.2016, Bishop's Stortford, Hertfordshire, VC20

Image:© Colin Plant

sponsored by Colin Plant Associates (UK) LLP/Consultant Entomologists

www.leafmines.co.uk