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

  

Trachys minutus (Linnaeus, 1758)
[Coleoptera : Buprestidae].

Buprestis minutus Linnaeus, 1758
Trachys mandjurica Obenberger, 1917
Trachys reflexiformis Obenberger, 1917
Trachys minutus (Linnaeus, 1758).

Leaf-miner: Full depth blotch, invariably beginning at the leaf tip or the tip of a leaf lobe or tooth. Oviposition site covered by a black, shining drop of hardened secretion. Frass generally in long threads, but sometimes in elongated granules (Bladmineerders van Europa).

The mine is also ullustrated in British Leafminers.

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).

Pupation in the mine, not in a cocoon Bladmineerders van Europa.

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

Trachys minutus, adult
Trachys minutus, adult
Image: © Carina Van Steenwinkel (British Leafminers)

Hosts in Great Britain and Ireland:

Betulaceae        
Corylus avellana Hazel British Wild Flowers by John Somerville et al. Pitkin & Plant

Hosts elsewhere:

Aceraceae        
Acer campestre Field Maple British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Betulaceae        
Betula       Bladmineerders van Europa
Carpinus betulus Hornbeam British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Corylus avellana Hazel British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Rhamnaceae        
Frangula alnus Alder Buckthorn British Wild Flowers by John Somerville et al. Bladmineerders van Europa, as Rhamnus frangula
Rosaceae        
Crataegus monogyna Hawthorn British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Malus sylvestris Crab Apple British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Prunus       Bladmineerders van Europa
Pyrus communis Pear   Bladmineerders van Europa
Sorbus aria Common Whitebeam British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Sorbus aucuparia Rowan British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Salicaceae        
Salix alba White Willow British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Salix aurita Eared Willow British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Salix caprea Goat Willow British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Salix cinerea Grey Willow British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Salix myrsinifolia Dark-leaved Willow   Bladmineerders van Europa
Tiliaceae        
Tilia cordata Small-leaved Lime British Wild Flowers by John Somerville et al. Bladmineerders van Europa
Tilia platyphyllos Large-leaved Lime   Bladmineerders van Europa
Ulmaceae        
Ulmus laevis European White-elm   Bladmineerders van Europa
Ulmus minor Small Leaved Elm British Wild Flowers by John Somerville et al. Bladmineerders van Europa

Time of year - larvae: Mid May - mid August (Bladmineerders van Europa).

Time of year - adults: Unknown.

Distribution in Great Britain and Ireland: Widespread in England including Berkshire, Buckinghamshire, Cambridgeshire, Dorset, East Kent, East Norfolk, East Sussex, Hertfordshire, Huntingdonshire, Leicestershire, North Essex, North Hampshire, North Lincolnshire, Northamptonshire, Nottinghamshire, Oxfordshire, South Hampshire, South Wiltshire, South-east Yorkshire, Surrey, West Kent and Worcestershire (NBN Atlas).

Distribution elsewhere: Widespread in continental Europe including Albania, Austria, Belarus, Belgium, Bosnia and Herzegovina, Bulgaria, Corsica, Croatia, Czech Republic, Danish mainland, Estonia, European Turkey, Finland, French mainland, Germany, Greek mainland, Hungary, Italian mainland, Kaliningrad Region, Latvia, Liechtenstein, Lithuania, Macedonia, Moldova, Norwegian mainland, Poland, Portuguese mainland, Romania, Russia - Central, East, Northwest and South, Slovakia, Slovenia, Spanish mainland, Sweden, Switzerland, The Netherlands, Ukraine, Yugoslavia. Also recorded in the Australian region and Near East (Fauna Europaea).

NBN Atlas links to known host species:

Acer campestre, Carpinus betulus, Corylus avellana, Crataegus monogyna, Frangula alnus, Malus sylvestris, Pyrus communis, Salix alba, Salix aurita, Salix caprea, Salix cinerea, Salix myrsinifolia, Sorbus aria, Sorbus aucuparia, Tilia cordata, Tilia platyphyllos, Ulmus laevis, Ulmus minor

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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