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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Parna tenella (Klug, 1816)
[Tenthredinidae]


Blennocampa tenella (Klug, 1816)
Parna tenella (Klug, 1816) [not 1814]
Scolioneura tenella (Klug, 1816) [not 1814]
Tenthredo tenella Klug, 1816 [not 1814]
Tenthredo (Allantus) tenella Klug, 1816 [not 1814]
Tenthredo (Blennocampa) tenella Klug, 1816
Parna tener (Klug, 1816). [Unavailable]
Tenthredo tenuicornis Hartig, 1837
Blennocampa albida C. G. Thomson, 1870 [Unavailable]
Blennocampa tiliae Kaltenbach, 1874
Entodecta tiliae (Kaltenbach, 1874).



Leaf miner:
A somewhat inflated full depth blotch, that begins at the leaf margin. The oviposition causes the leaf to roll inwords, covering (and hiding) the mines. Often several mines in a leaf. Mainly in suckers (Bladmineerders van Europa).

Larva makes large blotch mines, which cause the leaves to curl over. Two mines are illustrated. The rolls brown as the mine ages (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 British leafminers.

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

Adult: Details unknown.

Hosts in Great Britain & Ireland:

Tiliaceae        
Tilia cordata Small-leaved Lime British Wild Flowers by John Somerville et al. British leafminers
Tilia cordata Small-leaved Lime British Wild Flowers by John Somerville et al. Pitkin & Plant
Tilia platyphyllos Large-leaved Lime   Pitkin & Plant

Hosts elsewhere:

Tiliaceae        
Tilia americana     Bladmineerders van Europa
Tilia chenmoui     Bladmineerders van Europa
Tilia chinensis     Bladmineerders van Europa
Tilia chingiana     Bladmineerders van Europa
Tilia cordata Small-leaved Lime British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Tilia mongolica     Bladmineerders van Europa
Tilia oliveri     Bladmineerders van Europa
Tilia platyphyllos Large-leaved Lime   Bladmineerders van Europa
Tilia x europaea Lime British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Tilia x moltkei     Bladmineerders van Europa

Time of year - larvae: Summer (British leafminers).

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: A local and scarce miner (British leafminers); including North Wiltshire (VC7), Northamptonshire (VC32), Surrey (VC17), West Lancaster and Westmorland (NBN Gateway).

NBN Grid Map:

NBN Grid Map

Parna tenella
NBN Grid Map : NBN Terms and Conditions

Maps are only displayed if the NBN server is active. N.B. Only publicly available records, if any, are shown by default

Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, Bulgaria, Czech Republic, Estonia, Finland, French mainland, Hungary, Italian mainland, Poland, Romania, Slovakia, Sweden, Switzerland, Switzerland and The Netherlands (van Achterberg in Fauna Europaea).

NBN Interactive Grid Maps of known host species:

Tilia americana, Tilia cordata, Tilia platyphyllos

British and Irish Parasitoids in Britain and elsewhere:

Ichneumonoidea  
Shawiana catenator (Haliday, 1836) Braconidae: Exothecinae
Lathrolestes citreus (Brischke, 1878) Ichneumonidae: Euryproctinae
Lathrolestes macropygus (Holmgren, 1857) Ichneumonidae: Euryproctinae


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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Find images using Google


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Last updated 19-Jul-2016  Brian Pitkin Top of page