Anoplonyx
Marlatt, 1896
Anoplonyx is a of in the , Nematinae. The genus comprises approximately eight known —four in North America and four in Europe. All species are associated with Larix (larch) trees as . The genus was first described by Marlatt in 1896. North American species, particularly A. luteipes and A. canadensis, were historically confused and identified as a single species, "Marlatt's Larch Sawfly".
Pronunciation
How to pronounce Anoplonyx: /ˌænəˈplɒnɪks/
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Identification
within Anoplonyx are similar in appearance and difficult to distinguish, especially in the stage. Larval stages are more readily separated; a key by Wong (1955) exists for identifying late feeding stages of Canadian Anoplonyx larvae.
Distribution
Eastern Canada, Europe, and Britain. Distribution records from GBIF indicate presence in Denmark, Norway, and Sweden.
Host Associations
- Larix - obligateAll in the are associated with Larix (larch) trees. Larvae feed on larch foliage.
Human Relevance
Anoplonyx destructor has been common in British larch woods without causing serious damage to tree crops. Attempts at of this using the Dahlbominus fuscipennis were unsuccessful.
Similar Taxa
- Other Nematinae generaAnoplonyx is taxonomically defined by Ross (1937) and belongs to the more generalized Nematinae; precise distinguishing features require examination of morphological characters.
More Details
Historical taxonomic confusion
Considerable confusion existed regarding identification of North American Anoplonyx until Wong (1955) published a key to separate late feeding larval stages. A. luteipes and A. canadensis were historically identified as a single species, "Marlatt's Larch " (A. laricis).
Biological control attempts
Unsuccessful attempts were made to achieve of Anoplonyx destructor in Britain through release of the Dahlbominus fuscipennis.