Aha ha is a species of Australian wasp, named by the entomologist Arnold Menke in 1977 as a joke. Menke described several years after its discovery how, when he received a package from a colleague containing insect specimens, he exclaimed "Aha, a new genus", with fellow entomologist Eric Grissell responding "ha" doubtfully.[1] The name of the insect is commonly found in lists of bizarre scientific names.[2] [3] The name was also used as the vehicle registration plate of Menke's car, "AHA HA".[4]