Dolerus ferrugatus
The adult is black throughout.
This species has a red ID rating and unless identified by a known expert you must provide a satisfactory explanation of how it was identified for the record to be accepted.
Any habitat where Juncus species are present in numbers.
Adult early May to early July
Larva is rather distinctive with a yellowy green body and an orange head. It has a creamy coloured 'skirt' with a row of black dots. It is associated with various Juncus species of Rush.
Can be fairly frequent, but quite local in distribution. Most British records come from England.
Locally frequent in Leicestershire and Rutland.
Graham Calow
M69 Island, Sapcote
12 July 2009
Barbara Cooper
Long Clawson
06 July 2012
larva
Saharima Roenisch
Evington Park
19 July 2017
Barbara Cooper
Long Clawson
15 July 2015
lava feeding on Juncus
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MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Species profile
- Species group:
- insect - hymenopteran
- Kingdom:
- Animalia
- Order:
- Hymenoptera
- Family:
- Tenthredinidae
- Records on NatureSpot:
- 6
- First record:
- 12/07/2009 (Calow, Graham)
- Last record:
- 19/07/2017 (Roenisch, Saharima)
Total records by month
% of records within its species group
10km squares with records
The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.
In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.
Latest images
Latest records
Barbara Cooper
Long Clawson
06 July 2012
Graham Calow
Sapcote
10 June 2014
larva
Saharima Roenisch
Stoneygate Garden
14 June 2017
