Nesoselandria morio

Alternative names
Moss Sawfly
Description

Around 5mm. All black except for orange legs. The head is shiny and lacks sculpture or punctuation.

Larvae are grey and warty with a black head in early instars, the head becoming brown in the prepupal stage.

Similar Species

Aneugmenus padi is similar but this is larger and has yellow not orange legs.

Identification difficulty
When to see it

May - September

Life History

Larvae have been shown to feed on mosses that have broad lamellae.

UK Status

Uncommon but widespread.

VC55 Status

Uncommon.

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:
insect - hymenopteran
Kingdom:
Animalia
Order:
Hymenoptera
Family:
Tenthredinidae
Records on NatureSpot:
1
First record:
29/05/2025 (Nicholls, David)
Last record:
29/05/2025 (Nicholls, David)

Total records by month

% of records within its species group

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