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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Bagous alismatis (Marsham, 1802)
[Coleoptera : Curculionidae]


Curculio alismatis Marsham, 1802
Hydronomus alismatis (Marsham, 1802).
Bagous alismatis
(Marsham, 1802).


Leaf-miner: The mine starts with a broad corridor. Later a broad blotch, not determined by heavy veins. The mine is full depth and very transparent. The colour in the end is reddish-brown, making mined plants very conspicuous, even from a distance. Frass irregular. Often several larvae in a mine (Bladmineerders van Europa).

Larva: The larvae of beetles have a head capsule and chewing mouthparts with opposable mandibles and lack abdominal legs (see examples).

Described by Scherf (1964a), Urban (1926a), Gosik (2008a) (Bladmineerders van Europa).

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

Described by Scherf (1964a), Urban (1926a), Gosik (2008a) (Bladmineerders van Europa).

Adult: The adult is illustrated in the Encyclopedia of Life.

Hosts in Great Britain & Ireland:

Alismataceae        
Alisma plantago-aquatica Water-plantain British Wild Flowers by John Somerville et al. Pitkin & Plant

Hosts elsewhere:

Alismataceae        
Alisma plantago-aquatica Water-plantain British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Luronium natans Floating Water-plantain British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Sagittaria sagittifolia Arrowhead British Wild Flowers by John Somerville et al. Bladmineerders van Europa

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

Time of year - adults: Unknown.

Distribution in Great Britain & Ireland: Widespread in Britain including Anglesey, Ayrshire, Berwickshire, Cambridgeshire, Cardiganshire, Carmarthenshire, Cheshire, Cumberland, Dorset, East Gloucestershire, East Kent, East Norfolk, East Suffolk, East Sussex, Edinburgh, Glamorgan, Huntingdonshire, Lanarkshire, Leicestershire, Mid-west Yorkshire, Monmouthshire, North Hampshire, North Lincolnshire, North Somerset, Renfrewshire, Shropshire, South Devon, South Hampshire, South Lincolnshire, South Somerset, South-west Yorkshire, Stafford, Surrey, Warwickshire, West Kent, West Kent, West Lancashire, West Norfolk, West Sussex and Wigtownshire (NBN Atlas).

Also recorded in the Republic of Ireland and Northern Ireland (Alonso-Zarazaga in Fauna Europaea).

Distribution elsewhere: Widespread in continental Europe including Austria, Belgium, Bosnia and Herzegovina, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Latvia, Norwegian mainland, Poland, Russia - Central, East, North and South, Sardinia, Slovakia, Sweden, Switzerland, The Netherlands and Ukraine (Alonso-Zarazaga in Fauna Europaea).

Also recorded in East Palaearctic and Near East (Alonso-Zarazaga in Fauna Europaea).

NBN Atlas links to known host species:

Alisma plantago-aquatica, Luronium natans, Sagittaria sagittifolia

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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