Trychrysis cyanea ? - ID?

[kuv]

Northern Germany, Schleswig-Holstein, Pinneberg-Waldenau near Hamburg, at the edge of the mixed forest Klövensteen, at a old wooden stake; length: 5,9 mm; waiting ahead a nest of Dipogon bifasciatus (s. picture), while this wasp is inside, 05th of September 2024. Outsidephotos: kuv. Is my ID ok? Please help to get the ID.
Kuv

2024-09-05-Trychrysis cyanea-Waldenau-ZAE4070.JPG (208.8 KiB) Viewed 21204 times

2024-09-05-Trychrysis cyanea-Waldenau-ZAE4075.JPG (170.62 KiB) Viewed 21204 times

2024-09-05-Trychrysis cyanea-Waldenau-ZAE4077.JPG (151.57 KiB) Viewed 21204 times

2024-09-05-Trychrysis cyanea-Waldenau-ZAE4094.JPG (144.31 KiB) Viewed 21204 times

Pompilidae-Dipogon bifasciatus-Waldenau-ZAE4089.jpg (182.71 KiB) Viewed 21204 times