Stromboceros delicatulus
The only species of this genus to be represented here. The long, slender insect is predominantly light green to pale yellow with a black head, black patches on the mesonotum and a distinct black patch covering the mesosternum. Colour fades to straw in death. The abdomen may also be marked with black in part.
Larvae feed on ferns in woodland.
Size: 5.5 to 7mm
Status: Widespread and common
Distribution: England, Scotland, Wales, Ireland
Flight period: May to September
Plant associations: Pteridium spp., Dryopteris spp., Onoclea spp., and Polypodium spp. (ferns)
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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- Stromboceros delicatus female Credit Andrew Green
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- Stromboceros delicatus female Credit Andrew Green
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- Stromboceros delicatus female Credit Andrew Green
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- Stromboceros delicatus male Credit Andrew Green
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- Stromboceros delicatulus female
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- Stromboceros delicatulus female
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