Nysson trimaculatus

Description

One of several similar black and yellow banded wasps.  Care is needed with identification.

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

Recorded from a variety of open habitats on light soils, including heathland, dry grassland and scrub, open woodland, coastal landslips and soft rock cliffs, quarries and other post-industrial sites and occasionally heavily urbanised locations.

When to see it

Flight period early June to early September.

Life History

N. trimaculatus is a cleptoparasite of Gorytes quadrifasciatus and G. bicinctus, relying entirely on the former species in the north of its range (e.g. Warwickshire and Yorkshire), and largely on G. bicinctus in Kent, where G. quadrifasciatus is scarce.

UK Status

Recorded widely in the southern half of England, from Cornwall to Kent and north to Warwickshire and Yorkshire.

VC55 Status

Status in Leicestershire and Rutland not known.

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Leicestershire & Rutland Map

MAP KEY:

Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015

UK Map