Leaf-miner: Rather small, untidy, full depth, often branched corridor, often
close to the leaf margin. Sides irregularly eaten out. Frass in
a greyish-green central line that is interrupted from time to time,
sometimes partly in strings. In times of rain the frass may run
out and appear greenish. Usually several mines in a leaf (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 is rather shapeless, with a well-sclerotised head and no feet. The body is whitish; head greyish brown with Y-shaped lighter marking. Pronotum with a pair of brownish shields. The mandibles have two teeth (Bladmineerders van Europa).
Pupa: The pupae of beetles have visible head appendages, wings and legs which lie in sheaths (see examples).
Ceutorhynchus insularis is a red data book species, which is unique to St Kilda within the British Isles. Prior to its rediscovery in 2004, the only previously published finding was from 1931. The food plant is common scurvy-grass (Cochlearia officinalis), the only wild crucifer recorded on St Kilda. A population regarded as a different variety of the same species occurs on islands off the South coast of Iceland. C. insularis is related to the common cabbage leaf weevil, C.minutus (= contractus), which is found on mainland Britain and in Europe. It is similar to a variety of C.minutus, which is found on Lundy Island in the Bristol Channel. (British
Alyssum saxatile is treated
as Aurinia saxatile (Golden
Alison) and Arabis arenosa is treated as Arabidopsis
arenosa (Sand Rock-cress); Arabis
glabra is treated as Turritis
glabra (Tower Mustard) and Thlaspi
perfoliatum is treated as Microthlaspi perfoliatum (Perfoliate
Penny-cress) by Stace (2010).
Checklist of Beetles of the British Isles (2008 ediiton) includes
Ceutorhynchus minutus (Reich, 1797) non (Drury, 1773) as
a junior synonym of Ceutorhynchus contractus (Marsham, 1802).
Hosts in Great Britain & Ireland:
of year - larvae: June (British
of year - adults: Currently unknown.
in Great Britain & Ireland: Anglesey (VC52), Bedfordshire (VC30), Breconshire (VC42),
Caernarvonshire (VC49), Cambridgeshire (VC29), Cardiganshire (VC46), Carmarthenshire (VC44),
Cumberland (VC70), Denbighshire (VC50), Dorset (VC9), Dumfriesshire (VC72), East Gloucestershire (VC33),
East Kent (VC15), East Norfolk (VC27), East Ross (VC106), East Suffolk (VC25), East Sussex (VC14), Glamorganshire (VC41),
Huntingdonshire (VC31), Isle of Man (VC71), Leicestershire (VC55), Mid-west Yorkshire (VC64),
Monmouthshire (VC35), North Essex (VC19), North Lincolnshire (VC54), North Wiltshire (VC7),
Northamptonshire (VC32), Pembrokeshire (VC45), Radnorshire (VC43), Shropshire (VC40), South Devon (VC3), South Essex (VC18), South Hampshire (VC11), South Lincolnshire (VC53), Staffordshire (VC39),
Surrey (VC17), Warwickshire (VC38), West Cornwall (VC1), West Gloucestershire (VC34), West Kent (VC16), West Norfolk (VC28), West Suffolk (VC26), Westmorland (VC69) and Worcestershire (VC37) (NBN
recorded in the Republic of Ireland and Northern
Ireland. (Alonso-Zarazaga in Fauna Europaea).
NBN Grid Map:
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elsewhere: Widespread in continental Europe including Austria,
Belarus, Belgium, Bulgaria, Corsica, Crete, Croatia, Czech Republic,
Danish mainland, Estonia, European Turkey, Finland, French mainland,
Germany, Greek mainland, Hungary, Italian mainland, Latvia, Lithuania,
Macedonia, Moldova, North Aegean Is., Norwegian mainland, Poland,
Portuguese mainland, Romania, Russia - Central, East, North, Northwest
and South, San Marino, Sardinia, Sicily, Slovakia, Slovenia, Spanish
mainland, Sweden, Switzerland, The Netherlands, Ukraine and Yugoslavia.
Also recorded from the East Palaearctic, Near East and North Africa
(Alonso-Zarazaga in Fauna
NBN Interactive Grid Maps of known host species:
saxatile (= Aurinia
saxatile ), Arabidopsis
arenosa (= Arabis
arenosa ), Arabidopsis
glabra (= Turritis
glabra ), Arabis
Descurainia sophia, Diplotaxis
cheiri (= Cheiranthus
cheiri ), Hesperis
British and Irish Parasitoids in Britain and elsewhere: Currently unknown.