Dip:Agromyzidae
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Cerodontha suturalis (Hendel,1931)
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lower surface mine

 

Food Plant: Bolboschoenus maritimus (Sea Club-rush), Carex paniculata (Greater Tussock-sedge), Carex pendula (Pendulous Sedge), Carex sylvatica (Wood-sedge), Scirpus sp (Club-rush)

Mine:June-August (bivoltine) (October also in some years)

Notes: May mine upper or lower surface and may change direction. The photo shows a lower surface mine on Bolboschoenus maritimus (Sea Club-rush) which shows a change of direction. Leaves may contain two mines. Frass is dispersed in one large lump. Pupariation occurs within the mine. The puparium is yellow to reddish-brown. The larva and mines are identical to C.morosa. This is the first record of these mines on Bolboschoenus maritimus (Sea Club-rush).

Data: 10.vii.2018, Hessle, South-east Yorkshire, VC61

Image:© Barry Warrington

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