Wasp control for butterfly benefit
I much enjoyed the article on butterflies (‘Flowers that Fly’, Jan/Feb) and especially appreciated the photos for identification.
I have observed here in the North Waikato that the key determination of butterfly numbers is the level of wasps. We have Asian paper wasps () which are black and not aggressive, Tasmanian paper wasp () which are brown and aggressive, and yellow jacket, German, or common wasp () which are
