Oak Beauty
Biston strataria

B&F Code
70.251

Authority

Hufnagel, 1767

Family
Geometridae

Subfamily
Ennominae

Genus
Biston

National Status
Common

Species account (old)

Not listed in the Catalogue, it was first recorded in our district by J. P. Robson at Barnard Castle on 22 March 1947. [...]

Dunn, T.C. and J.D. Parrack, The Moths and Butterflies of Northumberland and Durham (NNU: 1986, 1992). Reprinted gratefully with permission.

Statistics

Records	443
Individuals	854
Largest Sample	36
First Recorded	1947
Last Recorded	2024
Earliest Adult Record	02/02
Latest Adult Record	20/04
Monad Coverage	2.0%
Hexad Coverage	52.4%

Map

This map shows all records of Oak Beauty - Biston strataria in the Durham (VC66) database per monad (1km grid square). The map can be explored further by zooming and panning, can be reset using the button on the left, and can be filtered by selecting the era. Click on a monad to view a full list of species recorded in it, or its containing hexad (10km grid square).

Map (image)

The distribution of Oak Beauty - Biston strataria is additionally shown in the image below. This is to allow for backwards compatibility with older browsers that cannot load the map above.

Week graph

This graph shows the County Durham (VC66) records of Oak Beauty - Biston strataria per 7-day period, differentiated by life stage. Hover over/tap the graph to see an exact count of records at that point in time. Hover over/hold the life stage legend to highlight a particular life stage; click on a life stage label to remove it from the graph. The graph can be filtered further by selecting the era.

The graphs below show the total records and individuals of Oak Beauty - Biston strataria in County Durham (VC66) per time period. Hover over/tap the graph to see an exact number of records and individuals at a particular point in time. Hover over/hold a label to highlight a particular metric; click on a metric label to remove it from the graph.

Era graph

Year graph

Gallery

This gallery shows images of Oak Beauty - Biston strataria taken by County Durham (VC66) recorders. Clicking on a photo opens it in a large lightbox with a full caption, and the arrow buttons move between photos. If you would like to contribute any photographs, particularly of any stages not captured here, please email admin@durhammoths.org.