Athalia bicolor - Belted Tigress
Mostly recorded from Yorkshire southwards. Sporadic additional records north to central Scotland (Musgrove, 2023).
Top of the head and the thorax (except tegulae and hind edges of pronotum) entirely black. Athalia bicolor has the first tergite also black. Only the hind legs have black rings on the apices of the tibiae and tarsi, the other legs being entirely yellow.
Larvae are unknown but thought to be associated with buttercups.
Size: 5-7mm
GB IUCN Status: Least concern
GB Rarity Status: None
Distribution: England, Scotland, Wales
Flight period: May to August
Plant associations: Larvae are unrecorded but thought to feed on Ranunculus spp. (buttercups)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Athalia bicolor
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- Athalia bicolor
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- Athalia bicolor
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- Athalia bicolor Credit Ian Andrews
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- Athalia bicolor male Credit Andrew Green
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- Athalia bicolor male Credit Andrew Green
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- Athalia bicolor male Credit Andrew Green
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- Athalia bicolor male Credit Andrew Green
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- Athalia bicolor male basal tergites Credit Andrew Green
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- Athalia bicolor male clypeus Credit Andrew Green
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- Athalia bicolor male costal vein Credit Andrew Green
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- Athalia bicolor penis valve Credit Andrew Green
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, 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. 2023. A review of the status of sawflies of Great Britain - Phase 2: The Athaliidae and the Tenthredinidae (excluding Nematinae). Natural England, unpublished