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

  

Tachyerges pseudostigma (Tempère, 1982)
[Coleoptera : Curculionidae]

Rhynchaenus pseudostigma Tempère, 1982
Tachyerges pseudostigma (Tempère, 1982).

Leaf-miner: Full depth corridor, beginning at the base of the midrib and very roughly following the leaf margin; all the while the corridor widens, until almost the entire leaf has been mined out. Frass, as coarse grains or thread fragments, in the centre of the mine. The larva pupates in the mine, in a globular cocoon made of secretion (Bladmineerders van Europa).

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 and Ireland:

Betulaceae        
Betula       Pitkin & Plant
Corylus       Pitkin & Plant
Salicaceae        
Salix       Pitkin & Plant

Hosts elsewhere:

Betulaceae        
Alnus       Bladmineerders van Europa
Betula       Bladmineerders van Europa
Corylus avellana Hazel British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Salicaceae       Bladmineerders van Europa
Populus nigra Black-poplar British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Salix alba White Willow British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Salix cinerea subsp. oleifolia Rusty Willow British Wild Flowers by John Somerville et al.

Bladmineerders van Europa, as Salix atrocinerea
Salix repens Creeping Willow British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: Unknown.

Time of year - adults: Unknown.

Distribution in Great Britain and Ireland: Widespread in Britain including Cumberland, East Kent, East Sussex, Glamorgan, Monmouthshire, Shropshire and West Kent (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Austria, Danish mainland, French mainland, Germany, Moldova, Poland, Russia - Central, East, Northwest and South and Switzerland (Fauna Europaea).

NBN Atlas links to known host species:

Corylus avellana, Populus nigra, Salix alba, Salix cinerea subsp. oleifolia, Salix repens

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

External links: Search the internet:

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

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