Synthemiopsis gomphomacromioides, also known as the Tasmanian spotwing,[3] is a species of dragonfly from southern and north-western Tasmania, Australia.

He had material from swamps around Cradle Mountain, at about 4,000 feet (1,200 m) altitude, and from Flowerdale Creek near Wynyard.

Arthropod researcher Günther Theischinger documented the larvae of Synthemiopsis gomphomacromioides while on a holiday trip in 1994 to Tasmania, near Mount Darwin.

Despite falling and breaking his ribs at the start of the holiday, Theischinger observed a newly emerged Synthemiopsis gomphomacromioides dragonfly, and finally discovered exuviae (remains from moulting) from a single female and several larvae.

At home, however, he reidentified the exuviae and larvae as Archaeosynthemis macrostigma orientalis, another dragonfly from the same group.

After collecting in Tasmania again in 1999, he concluded that the specimens he had found in 1994 were in fact Synthemiopsis gomphomacromioides.