Overview
The Australian species are small (fore wing 9-14 mm) and dark brown to grey.
Austrosialis
and
Stenosialis
differ in wing venation and female genitalia. One species of
Austrosialis
is known only from Tasmania, the other from north-eastern Queensland. One species of
Stenosialis
ranges throughout the more coastal ranges of eastern Australia from Cape York to southern Victoria, whereas the second species has been found in only a few localities in north-eastern Queensland (Theischinger 1983).
Ocelli are absent in adults.