Castiarina simulata

{{short description|Species of beetle}}

{{use dmy dates|date=November 2021}}

{{Speciesbox

| image = Castiarina simulata f.perplexa (37090092490).jpg

| image_caption = (female)

| image2 = Jewel beetle Castiarina simulata ssp. phryne on Beaufortia bicolor.jpg

| image2_caption = C. simulata ssp. phryne on Beaufortia bicolor

| taxon = Castiarina simulata

| authority = (Gory & Laporte, 1838)

}}

Castiarina simulata is a species of beetle in the jewel beetle family, Buprestidae, found in Western Australia, South Australia and Victoria.{{Cite web|url=https://biodiversity.org.au/afd/taxa/Castiarina_simulata|title=Castiarina simulata (Gory & Laporte, 1838)|publisher=Australian Faunal Directory|language=en|access-date=2021-11-30}}

It was first described by Hippolyte Louis Gory and Francis de Laporte de Castelnau in 1838 as Stigmodera simulata from a specimen found on the Swan River.{{cite book |author=Gory, H.L. |author2=Laporte de Castelnau, F.L.|date= 1838|title= Histoire naturelle et iconographie des insectes Coléoptères. Monographie des buprestides. genera: Stigmodera, Polycesta, Belionota, Eurybia|location= Paris|publisher=P. Duménil |volume= 2|pages=17–24 [26]|url=https://www.biodiversitylibrary.org/page/49100162}}

Adult beetles are diurnal and feed on the flowers of Myrtaceae. The larvae are wood borers.