Ancistrocerus trifasciatus


This mason wasp has brown tarsi and a black face with yellow dot.

There are other very similar species in this genus which means that detailed examination of an actual specimen is generally needed to identify the exact species. A red box around the image indicates that we think it is likely to be this species but can't be 100% certain.

Identification difficulty

Found in a variety of habitats: parks, gardens, wooded areas.

When to see it

Summer to autumn.

Life History

A tube dweller, nesting in hollow stems where it provisions its larvae with small moth and beetle larvae. It is parasitised by jewel wasps such as Chrysis ignita, etc.

UK Status

Fairly frequent and widespread in England and Wales.

VC55 Status

Status in Leicestershire and Rutland not known.

Leicestershire & Rutland Map


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

UK Map

Species profile

Species group:
Bees, Wasps, Ants
Records on NatureSpot:
First record:
25/08/2011 (Nicholls, David)
Last record:
09/08/2012 (Steve Woodward)

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