of Hamulus
Source: Webster's dictionaryHamuli says that most affected areas are the villages of Urumba, Bunesa, Katanga and Oninga. Source: Internet
The forward margin of the hind wing bears a number of hooked bristles, or " hamuli ", which lock onto the fore wing, keeping them held together. Source: Internet
The smaller species may have only two or three hamuli on each side, but the largest wasps may have a considerable number, keeping the wings gripped together especially tightly. Source: Internet