The final resting place of this female Ectemnius cavifrons [1] was near a row of tree trunks in which an Ectemnius was actively tunneling.
She is now part of the garden colleection, see here.

References
1 Nederlands SoortenregisterEctemnius cavifrons♀︎
Collection
Ectemnius cavifrons
LOCATION: Krimpen aan den IJssel, garden
OBSERVATION:
2021-VIII-28
The final resting place of this female Ectemnius cavifrons [1] was near a row of tree trunks in which an Ectemnius was actively tunneling.
She is now part of the garden colleection, see here.
References
1 Nederlands Soortenregister