Larva: The larvae of beetles have a head capsule and chewing mouthparts with opposable mandibles and lack abdominal legs (see examples).
Pupa: The pupae of beetles have visible head appendages, wings and legs which lie in sheaths (see examples).
Hosts in Great Britain & Ireland:
elsewhere: Currently unknown.
of year - larvae: Currently unknown.
of year - adults: Unknown.
in Great Britain & Ireland: Widespread in Britain including Bedfordshire (VC30),
Berkshire (VC22), Buckinghamshire (VC24), North Northumberland as Cheviotland (VC68), Cumberland (VC70), Denbighshire (VC50),
Derbyshire (VC57), Dorset (VC9), County Durham (VC66), East Cornwall (VC2), East Gloucestershire (VC33),
East Kent (VC15), East Sussex (VC14), Flintshire (VC51), Glamorganshire (VC41), Herefordshire (VC36), Hertfordshire (VC20),
Isle of Wight (VC10), Kincardineshire (VC91), Lanarkshire (VC77), Leicestershire (VC55), Mid-west Yorkshire (VC64), Middlesex (VC21), Monmouthshire (VC35), North Devon (VC4), North Hampshire (VC12),
North Lincolnshire (VC54), North Somerset (VC6), North-east Yorkshire (VC62), North-west Yorkshire (VC65), Northumberland, South Shropshire (VC40), South Devon (VC3), South Essex (VC18), South Lincolnshire (VC53), South Somerset (VC5), South-east Yorkshire (VC61),
Staffordshire (VC39), Surrey (VC17), Warwickshire (VC38), West Gloucestershire (VC34), West Kent (VC16),
West Lancashire (VC60), West Sussex (VC13), Westmorland (VC69) and Worcestershire (VC37) (NBN
recorded in the Republic of Ireland (Audisio in Fauna Europaea) and in Ireland (InvertebrateIreland Online).
NBN Atlas links to known host species:
elsewhere: Widespread in continental Europe including Albania,
Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Corsica, Croatia,
Czech Republic, Danish mainland, French mainland, Germany, Hungary,
Italian mainland, Luxembourg, Macedonia, Norwegian mainland, Poland,
Romania, Russia Central, Slovakia, Slovenia, ? Spanish mainland,
Sweden, Switzerland, The Netherlands, Ukraine and Yugoslavia. Also
recorded in Near East (Audisio in Fauna Europaea).
British and Irish Parasitoids in Britain and elsewhere: Currently unknown.