The leaf and stem mines of British flies and other insects

(Coleoptera, Diptera, Hymenoptera and Lepidoptera)

by Brian Pitkin, Willem Ellis, Colin Plant and Rob Edmunds

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Caryocolum marmorea (Haworth, 1828)
[Lepidoptera: Gelechiidae]

Beautiful Groundling

Recurvaria marmoreum Haworth, 1828. Lep. Brit. 4: 553.
Caryocolum marmoreum
(Haworth, 1828).

Leaf-miner ?: In Belgium the larva lives in a silken tube in the sand and feeds on the leaves of Cerastium fontanum touching the ground. Pupation in a cocoon in the sand (Belgian Lepidoptera).

Larva: The larvae of moths have a head capsule and chewing mouthparts with opposable mandibles (see video of a gracillarid larva feeding), six thoracic legs and abdominal legs (see examples).

Pupa: The pupae of moths have visible head appendages, wings and legs which lie in sheaths (see examples).

Adult: The adult is illustrated in UKMoths. The male and female genitalia are illustrated by the Lepidoptera Dissection Group.

Hosts in Great Britain & Ireland:

Cerastium semidecandrum Little Mouse-ear British Wild Flowers by John Somerville et al. Pitkin & Plant

Hosts elsewhere:

Cerastium fontanum Common Mouse-ear British Wild Flowers by John Somerville et al. Belgian Lepidoptera
Cerastium fontanum Common Mouse-ear British Wild Flowers by John Somerville et al. Pitkin & Plant

Time of year - larvae: Currently unknown.

Time of year - adults: In Belgium the adults fly from June till August and come to light (Belgian Lepidoptera).

Distribution in Great Britain & Ireland: Widespread in Britain including Anglesey, Berkshire, Caernarvonshire, Cumberland, Denbighshire, East Kent, East Norfolk, East Suffolk, Elgin, Flintshire, Glamorgan, Kincardineshire, North Aberdeen, North Ebudes, North Essex, South Northumberland, Pembrokeshire, South Aberdeen, South Hampshire, South Lancaster, West Norfolk, West Suffolk, Westmorland and WIgtownshire (NBN Atlas), the Channel Is. (Karsholt and van Nieukerken in Fauna Europaea).

Also recorded in the Republic of Ireland and Northern Ireland (Karsholt and van Nieukerken in Fauna Europaea). See also Ireland's NBDC interactive map.

Distribution elsewhere: Widespread in continental Europe including Albania, Austria, Belgium, Corsica, Crete, Cyprus, Czech Republic, Danish mainland, Dodecanese Is., Estonia, French mainland, Germany, Greek mainland, Hungary, Italian mainland, Macedonia, Madeira, Norwegian mainland, Poland, Portuguese mainland, Sardinia, Slovakia, Slovenia, Spanish mainland, Sweden, Switzerland and The Netherlands (Karsholt and van Nieukerken in Fauna Europaea).

NBN Atlas links to known host species:

Cerastium semidecandrum, Cerastium fontanum

British and Irish Parasitoids in Britain and elsewhere:

Bracon stabilis (Wesmael, 1838) Braconidae: Braconinae

External links: Search the internet:

Belgian Lepidoptera
Biodiversity Heritage Library
Bladmineerders van Europa
British leafminers
Encyclopedia of Life
Fauna Europaea
NBN Atlas
NHM UK Checklist

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Last updated 03-Jul-2017  Brian Pitkin Top of page