Dip:Agromyzidae
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Aulagromyza cornigera (Griffiths, 1973)
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pupa - dorsal view
pupa - dorsal view
posterior spiracles with distinctive horn

 

Food Plant: Leycesteria formosa (Flowering Nutmeg), Lonicera periclymenum (Honeysuckle), Symphoricarpos rivularis (Snowberry)

Mine: April - June

Notes: Leaf mine is formed in the young tender leaf. Larva forming long white mine which widens. The pupation is external and the posterior spiracles have a distinctive horn-like process within the ellipse of bulbs. The larva is quite plain, but with distinctive spriacles.
The top photo shows a freshly formed pupa, which is a pale yellow colour - note the two pairs of spiracles (anterior and posterior). The pupa then becomes darker and the characteristic transverse red papillae can be seen. The bottom photo shows the distinctive horn-like processes in the posterior spiracles.

Data: 02.v.2005, Fleet, Hants, VC12; 26.iv.2005, Fleet, Hants,VC12; 26.iv.2005, Fleet, Hants, VC12

Image:© Rob Edmunds

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www.leafmines.co.uk