Caliagrion billinghursti - Large Riverdamsel

Male identification: A large blue and black damselfly with thick blue-ring markings on the abdomen and down the abdomen sides, reducing to a narrow ring with no lateral markings towards the tail, which has a distinctly blue tip. Appears to have a single line across the postocular area and across the frons.

Female identification: Appears to be similar to male except more robust and with a heavily ringed abdomen and pale lateral markings all the way along the abdomen and no pale tail-tip.

Similar species: Most similar to C. lyelli and some Austrolestes.

Behaviour: No information at present

Distribution: Records from Alexandra in 1906

Australian State distribution (from CSIRO Entomology)

Habitat: Common name implies it occurs on rivers

Status: Rare and localised.

Flight period: No information at present