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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Heterarthrus cuneifrons Altenhofer & Zombori, 1987
[Tenthredinidae]


Heterarthrus cuneifrons Altenhofer & Zombori 1987.


Leaf miner: A large, practically full depth blotch without an apparent initial corridor, starting in the centre of a leaf. The full grown larva makes a circular cocoon, attached to upper epidermis. Before that a circular cut has been made in the upper epidermis. The completed cocoon falls out of the mine together with the disk of upper epidermis (Bladmineerders van Europa).

The mine is also illustrated in British Leafminers.

Larva: The larvae of sawflies have a head capsule, chewing mouthparts with opposable mandibles, six thoracic legs and abdominal legs (although they may be reduced) (see examples).

The larva is illustrated in Bladmineerders van Europa.

Pupa: The pupae of sawflies have visible head appendages, wings and legs which lie in sheaths.

Adult: Details unknown.

Hosts in Great Britain & Ireland:

Aceraceae        
Acer pseudoplatanus Sycamore British Wild Flowers by John Somerville et al. British leafminers

Hosts elsewhere:

Aceraceae        
Acer pseudoplatanus Sycamore British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: Currently unknown.

Time of year - adults: Currently unknown.

Comments: Full synonymy and references are listed in ECatSym - Electronic World Catalog of Symphyta.

Distribution in Great Britain & Ireland: Currently unknown.

NBN Grid Map:

NBN Grid Map

Heterarthrus cuneifrons
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Distribution elsewhere: Continental Europe including Austria, Germany, Hungary and Switzerland (van Achterberg in Fauna Europaea).

NBN Interactive Grid Maps of known host species:

Acer pseudoplatanus

British and Irish Parasitoids in Britain and elsewhere: Unknown.



External links: Search the internet:
Biodiversity Heritage Library
Bladmineerders van Europa
British Leafminers
Encyclopedia of Life
Fauna Europaea
NBN Gateway
NHM UK Checklist
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Last updated 28-Jul-2016  Brian Pitkin Top of page