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ALNUS. Alder. [Betulaceae]

Alder (Alnus glutinosa (L.) Gaertn.) is the only native species of Alnus in Britain, although Italian Alder (A. cordata (Loisel.) Duby), Grey Alder (A. incana (L.) Moench), Seaside Alder (A. maritima), Oriental Alder (A. orientalis), Red Alder (A. rubra) and Green Alder (A. viridis) have been introduced. Only one dipterous miner, the agromyzid Agromyza alnivora, is recorded on Alnus in Britain and elsewhere. The agromyzid Phytobia cambii feeds in the cambium of Salix and Populus in Britain and also Alnus, Betula and Carpinus elsewhere. Twenty-two non-dipterous miners are recorded on Alnus in Britain (see below). Elsewhere one additional British non-dipterous miner is recorded on Alnus (see below).

Alder - Alnus glutinosa

Key for the identification of the known Diptera mines in Britain.

1> Larva forming a linear leaf mine, considerably widening at end. Mine of Agromyza alnivora on Alnus glutinosa. Image: Willem Ellis (Source: Nederlandse bladmineerders) Agromyza alnivora Spencer [Agromyzidae].

Non-dipterous miners recorded on Alnus in Britain Anoplus roboris Suffrian 1840 Coleoptera: Curculionidae     Bohemannia quadrimaculella (Boheman 1853) Lepidoptera: Nepticulidae       Bucculatrix cidarella (Zeller 1839) Lepidoptera: Bucculatricidae Caloptilia elongella (Linnaeus 1761) Lepidoptera: Gracillariidae Caloptilia falconipennella (Hübner 1813) Lepidoptera: Gracillariidae   Coleophora alnifoliae Barasch 1934 Lepidoptera: Coleophoridae Colephora binderella Staudinger 1859 Lepidoptera: Coleophoridae Coleophora orbitella Zeller 1849 Lepidoptera: Coleophoridae     Coleophora serratella (Linnaeus 1761) Lepidoptera: Coleophoridae Coleophora violaceae (Ström 1783) Lepidoptera: Coleophoridae Fenusa dohrnii (Tischbein 1846) Hymenoptera: Tenthredinidae   Heliozela resplendella (Stainton 1851) Lepidoptera: Heliozelidae Heterarthrus vagans (Fallén 1808) Hymenoptera: Tenthredinidae   Incurvaria pectinea Haworth 1828 Lepidoptera: Incurvariidae Orchestes testaceus (Müller, 1766) Coleoptera: Curculionidae   Phyllonorycter froelichiella (Zeller 1839) Lepidoptera: Gracillariidae Phyllonorycter kleemannella (Fabricius 1781) Lepidoptera: Gracillariidae Phyllonorycter rajella (Linnaeus 1758) Lepidoptera: Gracillariidae Phyllonorycter stettinensis (Nicelli 1852) Lepidoptera: Gracillariidae Phyllonorycter strigulatella (Lienig & Zeller 1846) Lepidoptera: Gracillariidae Stigmella alnetella (Stainton 1856) Lepidoptera: Nepticulidae   Stigmella glutinosae (Stainton 1858) Lepidoptera: Nepticulidae   Additional British non-dipterous miners recorded on Alnus elsewhere Coleophora anatipennella (Hübner, 1796) Lepidoptera: Bucculatricidae

Last updated 23-Jun-2008  Brian Pitkin

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