Get ready to be charmed by the latest episode of Wild Isles as it reveals the curious behavior of the two-colored mason bee, which looks like it’s flying on a broomstick. The fascinating bee is seen collecting dried grass stalks and up to 100 sticks, which it uses to disguise its egg-laden snail shells from predators. The insect has earned the nickname “witch bee,” and the team behind the episode affectionately refers to her as such.
As explained by producer Nicolas Gates, the two-colored mason bee searches for empty snail shells of the right size in chalk grasslands. The bee checks many empty shells until it finds the one that is just the right size for its egg. Once it finds the right shell, it then uses grass stalks to hide it from predators, making it challenging to detect its location.
In the same episode, Wild Isles unveils the lifecycle of the large blue butterfly, which was filmed over three years. The species was once extinct in the UK but was reintroduced, and it’s now considered one of the largest concentrations of large blue butterflies globally. Through careful scientific management, the butterfly has been brought back and can be seen once more in British meadows, offering hope for the future.
Wild Isles cameraman Alastair MacEwen notes that the making of the series has coincided with remarkable conservation success. The program provides a glimpse of the diversity of the UK’s grasslands and their inhabitants, which is not always seen.
You can watch the full episode of Wild Isles on BBC iPlayer to witness the fascinating behaviors of the witch bee and other incredible creatures. Be sure not to miss out on the captivating visuals and incredible insights the program has to offer.
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