Английская Википедия:Euura weiffenbachiella
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Euura weiffenbachiella is a species of sawfly belonging to the family Tenthredinidae (common sawflies). The larvae forms galls on creeping willows (Salix repens). E. weiffenbachiella is one of a number of closely related species which is known as the Euura atra subgroup.
Description
The shape of the gall is variable, probably depending on where the egg is laid;[1]
- it can develop on one side of the shoot, causing it to bend and look similar to a miniature gall of E. amerinae, or
- it can be spindle-shaped with the shoot remaining straight measuring Шаблон:Convert to Шаблон:Convert long by approximately Шаблон:Convert wide.
Found on creeping willow (S. repens) and S. rosmarinifolia.[1]
Other similar looking species in the Euura atra subgroup are,[1]
- E. atra found on white willow (Salix alba) and crack willow (S. fragilis).
- E. auritae found on eared willow (S. aurita)
- E. myrtilloides found on swamp willow (Salix myrtilloides)
- E. salicispurpureae found on purple willow (S. purpurea)
Distribution
Liston et al. records the sawfly from central and northern Europe, and east to Yakutia.[1] Redfern et al. records the gall from Great Britain (Scotland) and Ireland.[2]
References
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