EUURA AMERINAE GROUP
Euura weiffenbachiella - Creeping Shoot-galler
To date, this species is primarily localised to the Hebrides and the Ainsdale dune system in Lancashire. However, its recent discovery in Norfolk suggest that it is unclear to what extent the species has been overlooked elsewhere (Musgrove, 2024).
See Liston et al (2017) for determination of adults. The host plants are widespread species.
Euura weiffenbachiella larvae feed in shoots of Creeping Willow and Rosemary-leaved Willow where introduced. This species causes the shoot to be clearly thickened and sometimes on one side causing the shoot to bend. Each shoot contains only one larva.
Jump to other group amerinae species
Size: Female: 4.6 - 5.5mm, male: approx. 3.6 - 6.1mm
GB IUCN status: Least Concern
GB rarity status: Nationally Rare
Distribution: England, Scotland, Ireland
Flight period: Univoltine
Plant associations: Salix repens and S. rosmarinifolia (Creeping Willow and Rosemary-leaved Willow where introduced)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Euura weiffenbachiella in Creeping Willow Credit Andy Musgrove
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- Euura weiffenbachiella gall in Creeping Willow Credit Andy Musgrove
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- Euura weiffenbachiella larva in Creeping Willow Credit Andy Musgrove
References:
Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London
Liston, A.D., Heibo, E., Prous, M., Vårdal, H., Nyman, T. and Vikberg, V., 2017. North European gall-inducing Euura sawflies (Hymenoptera, Tenthredinidae, Nematinae). Zootaxa, 4302(1), pp.1-115.
Liston A, Knight G, Sheppard D, Broad G, Livermore L (2014) Checklist of British and Irish Hymenoptera - Sawflies, ‘Symphyta’. Biodiversity Data Journal 2: e1168. https://doi.org/10.3897/BDJ.2.e1168
Musgrove, A.J. 2024. A review of the status of sawflies of Great Britain - Phase 3: The Tenthredinidae (subfamily Nematinae). Natural England, unpublished