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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Parornix carpinella (Frey, 1863)
[Lepidoptera: Gracillariidae]

Hornbeam Slender


Ornix carpinella Frey, 1863. Linn. Ent. 15: 21.
Ornix eppelsheimi
Fuchs, 1901. Stett. ent. Zeit. 62: 386.
Parornix carpinella
(Frey, 1863).


Leaf-miner: The initial mine expands to form a full depth blotch. It resembles Phyllonorycter tenerella, but has a mottled lower surface. It then forms two folds (British leafminers).

Small, angular, full depth blotch, often in a vein axil. Lower, in the end also upper, epidermis brown. The larva deposits some silk in the mine, but the quantity is so low that the mine remains practicaly flat. Later the larva leaves the mine and continues feeding within a downfolded leaf margin or leaf tip (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).

Described by Emmet (1987a). Pronotum with four black spots (Bladmineerders van Europa).

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

Adult: The adult is not illustrated in UKMoths (check for update). The male genitalia, but not the female genitalia (check for update), are illustrated by the Lepidoptera Dissection Group.

Hosts in Great Britain & Ireland:

Betulaceae        
Carpinus betulus Hornbeam British Wild Flowers by John Somerville et al. British leafminers
Carpinus betulus Hornbeam British Wild Flowers by John Somerville et al. Pitkin & Plant

Hosts elsewhere:

Aceraceae        
Acer platanoides Norway Maple British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Acer pseudoplatanus Sycamore British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Betulaceae        
Carpinus betulus Hornbeam British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Carpinus orientalis     Bladmineerders van Europa
Ostrya carpinifolia     Bladmineerders van Europa

Time of year - larvae: June-July, September-October (British leafminers).

Time of year - adults: Currently unknown.

Distribution in Great Britain & Ireland: South-east England including North Essex, South Hampshire, South Wiltshire, Surrey and West Kent (NBN Atlas).

See also British leafminers distribution map.

Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, Bulgaria, Croatia, Czech Republic, French mainland, Germany, Greek mainland, Hungary, Italian mainland, Macedonia, Poland, Romania, Russia - Central, Sardinia, Sicily, Slovakia, Slovenia, Sweden, Switzerland, The Netherlands and Ukraine (Karsholt and van Nieukerken in Fauna Europaea).

NBN Atlas links to known host species:

Acer platanoides, Acer pseudoplatanus, Carpinus betulus, Ostrya carpinifolia

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 06-May-2017  Brian Pitkin Top of page