Hemigomphus theischingeri

Hemigomphus theischingeri is a species of dragonfly of the family Gomphidae, known as the rainforest vicetail. It is a small, black and yellow dragonfly, endemic to northern Queensland, Australia, where it inhabits rainforest streams.

Etymology
Hemigomphus theischingeri is named after Günther Theischinger, a specialist in Australian Odonata.