Crossocerus megacephalus

Description

A small black species.

Identification difficulty
Recording advice

Unless identified by a recognised expert, a photo is required and the specimen should be examined with a microscope. In the comments box, state the key or ID method used and describe the size and identifying characters.

Habitat

May be recorded from a wide range of habitats where its nesting substrate can be found including utilising old beetle borings in dead and decomposing wood.

When to see it

From mid-May to mid-September, but most records come from June to August, inclusive.

Life History

Prey includes small flies and grubs.

UK Status

Fairly frequent through much of Britain, though less so in Scotland.

VC55 Status

Status in Leicestershire and Rutland not known.

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:
Crabronidae
Records on NatureSpot:
1
First record:
07/05/2025 (Hunt, Graham)
Last record:
07/05/2025 (Hunt, Graham)

Total records by month

% of records within its species group

10km squares with records

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Latest records