Meaning of name: The name Castiarina is derived from that of Francois Louis Nompar de Castelnau. Trifasciata is from the Latin and Greek prefix tri-, meaning three, and the Latin word fascia, meaning band.
Distribution: This beetle is known from the southwest of Western Australia.
Remarks: This beetle grows to approximately 10-15 millimetres long and was found feeding on the flowers of Conospermum triplinervium.
The beetle has been seen in September and October on Conospermum triplinervium.
Associations: Conospermum triplinervium.
References: Identification courtesy of Allen Sundholm.
Castiarina: Australia’s richest jewel beetle genus. Shelley Barker. 2006.
Western Australian Plant Names and their Meanings, a Glossary. FA Sharr. 1996.
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