Domino cuckoo bee on Stylidium crassifolium

Description:

This bee visited many flowers, most flowers hitting the bee on its thorax with its irritable trigger before the bee moved onto another flower. Most of the time the bee moved on to a new flower very quickly. We noticed a couple of times that the trigger missed the bee, trapping it on the flower for a short while until it rolled over releasing itself from under the trigger. We saw two of these visiting the flowers