Euryglossa was my first thought also, Anna, but this bee is smaller and the colour on the abdomen of L. adelaidae is more patchy. All of the E. adelaidae that I have seen have a red scuttelum (the rear segment of the thorax). You can also just see the tops of the face markings on H. proximus. See https://michaelbatley.github.io/Bee-ID-SH/proximus.htm