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

N.B. Links to the latest version of 'Leafminers and plant galls of Europe' are being edited

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Caryocolum junctella (Douglas, 1851)
[Lepidoptera: Gelechiidae]

Confluent Groundling


Gelechia junctella Douglas, 1851. Trans. ent. Soc. Lond. 2 (1): 103.
Caryocolum junctella
(Douglas, 1851).


Leaf-miner: Young larvae make mines, but the mines have not been described. Older larvae live among the tips of the shoots, that are spun together (Bladmineerders van Europa).

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).

The larva is described by Bland et al., 2002a).

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:

Caryophyllaceae        
Cerastium       Pitkin & Plant
Stellaria graminea Lesser Stitchwort British Wild Flowers by John Somerville et al. Pitkin & Plant

Hosts elsewhere:

Caryophyllaceae        
Cerastium arvense Field Mouse-ear British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Cerastium glomeratum Sticky Mouse-ear British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Stellaria graminea Lesser Stitchwort British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Stellaria media Common Chickweed British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: May - early June (Bladmineerders van Europa).

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: Britain including Anglesey, Caernarvonshire, Flintshire, Glamorgan and South Essex (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, Bosnia and Herzegovina, Bulgaria, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Greek mainland, Hungary, Italian mainland, Latvia, Lithuania, Norwegian mainland, Poland, Romania, Russia - Central and East, Slovakia, Slovenia, ? Spanish mainland, Sweden, Switzerland and Ukraine (Karsholt and van Nieukerken in Fauna Europaea).

NBN Atlas links to known host species:

Cerastium arvense, Cerastium glomeratum, Stellaria graminea, Stellaria media

British and Irish Parasitoids in Britain and elsewhere: Currently unknown.



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
UKMoths

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Last updated 05-Aug-2017  Brian Pitkin Top of page