pratensis (Germar, 1821)
[Coleoptera : Curculionidae]
pratensis Germar, 1821
Orchestes tomentosus Gyllenhal, 1835
Orchestes waltoni Curtis, 1838
Rhynchaenus pratensis (Germar, 1821)
Pseudorchestes pratensis (Germar, 1821).
The larva makes a small full depth blotch, usually in the leaf tip.
Frass concentrated in the centre of the mine (Bladmineerders van Europa).
Larva: The larvae of beetles have a head capsule and chewing mouthparts with opposable mandibles and lack abdominal legs (see examples).
The larva, when full grown, makes a globular cocoon in that
same centre and pupates there (Bladmineerders van Europa).
Pupa: The pupae of beetles have visible head appendages, wings and legs which lie in sheaths (see examples).
Hosts in Great Britain & Ireland:
of year - larvae: Currently unknown.
of year - adults: Currently unknown.
in Great Britain & Ireland: Widespread in Britain including Bedfordshire (VC30),
Berkshire (VC22), Cambridgeshire (VC29), Denbighshire (VC50), East Norfolk (VC27), East Suffolk (VC25),
East Sussex (VC14), Glamorganshire (VC41), Hertfordshire (VC20), Huntingdonshire (VC31), Leicestershire (VC55),
Northamptonshire (VC32), Oxfordshire (VC23), South Hampshire (VC11), Surrey (VC17), Warwickshire (VC38),
West Kent (VC16), West Norfolk (VC28) and West Suffolk (VC26) (NBN
recorded in the Republic of Ireland (Alonso-Zarazaga in Fauna Europaea).
NBN Grid Map:
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elsewhere: Widespread in continental Europe including Austria,
Bulgaria, French mainland, Germany, Greek mainland, Hungary, Italian
mainland, Moldova, Poland, Romania, Russia - East, Sicily, Slovakia,
Switzerland, Ukraine and Yugoslavia. Also recorded in the Oriental
region (Alonso-Zarazaga in Fauna Europaea).
NBN Interactive Grid Maps of known host species:
British and Irish Parasitoids in Britain and elsewhere: Currently unknown.