Apethymus filiformis

Description

Length 7 to 11 mm. This species has a black head and thorax but an orange abdomen and is characterised by the very long antennae, the black tarsi and the combination of a yellow costa and black stigma. This species flies as an adult late in the season, September to November. The larvae are rather plain, coloured two-tone grey.

Identification difficulty
Habitat

To be seen around Oak - the larval foodplant.

When to see it

Larvae are found in May and June, the adults flying in September and October.

UK Status

Thought to be widespread and fairly frequent in Britain although there are very few records.

VC55 Status

Rare or under-recorded in Leicestershire and Rutland.

Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020

UK Map

Species profile

Species group:
Sawflies
Kingdom:
Animalia
Order:
Hymenoptera
Family:
Tenthredinidae
Records on NatureSpot:
2
First record:
21/05/2014 (Calow, Graham)
Last record:
15/10/2020 (Nicholls, David)

Total records by month

% of records within its species group

10km squares with records

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