Dip:Scathophagidae
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Norellia spinipes (Meigen, 1826)
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Food Plant: Narcissus spp. (Daffodil)

Egg: laid singly in mesophyll

Mine: probably bivoltine with adults recorded March-July; October

Notes: The larvae mine downwards 3 - 4 leaves in succession finally pupating in an enlargement of the mine at the plant base. Can cause damage to the plant. Adults were first seen in 1965 in britain and possibly were from imported Daffodils.

Data:

Image

References:
Chandler PJ & Stubbs AE (1969) - A species of Norellia R.-D (Dipt., Scathophagide) New to Britain, Proc. Brit. Nat.Ent. Soc., 2 (4) 120-124
Dobson JR (1998) - An infestation of Norellia spinipes (Mg) Dip.:Scathophagidae) on daffodils in a suburban garden in Harrow, Middlesex (Vc21), Ent. Rec. J.Var 25 (1), 23-24
Godfrey A (1989) - Norellia spinipes R.-D. Diptera:Scathophagidae in London, Br.J.Ent. Nat.Hist, 2, 63

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