Metaxina

{{short description|Genus of beetles}}

{{Speciesbox

| image = Metaxina_ornata.jpg

| image_caption = Metaxina ornata

| display_parents=5

| grandparent_authority=Kolibáč, 2004

| genus=Metaxina

| parent_authority=Broun, 1909

| species=ornata

| authority=Broun, 1909

}}

Metaxina is the only genus in the beetle family Metaxinidae. Its only species is Metaxina ornata. It endemic to the South island of New Zealand, where it is associated with sooty mold growing on Nothofagus trees. Both the larvae and adults are likely predaceous, feeding on insects and other arthropods.{{Citation |last1=Kolibáč |first1=Jiří |title=9.4. Metaxinidae Kolibácˇ , 2004 |date=2010-12-31 |url=https://www.degruyter.com/document/doi/10.1515/9783110911213.250/html |work=Coleoptera, Beetles, Volume 2, Morphology and Systematics (Elateroidea, Bostrichiformia, Cucujiformia partim) |pages=250–253 |editor-last=Kükenthal |editor-first=Willy |publisher=DE GRUYTER |doi=10.1515/9783110911213.250 |isbn=978-3-11-019075-5 |access-date=2022-10-02 |last2=Leschen |first2=Richard A. B. |editor2-last=Leschen |editor2-first=Richard A.B. |editor3-last=Beutel |editor3-first=Rolf G. |editor4-last=Lawrence |editor4-first=John F.|url-access=subscription }} It is considered to be a member of the superfamily Cleroidea. Genetic studies have suggested that Metaxina should be considered a member of Chaetosomatidae, rather than constituting its own family.{{Cite journal |last1=Gimmel |first1=Matthew L. |last2=Bocakova |first2=Milada |last3=Gunter |first3=Nicole L. |last4=Leschen |first4=Richard A.B. |date=July 2019 |title=Comprehensive phylogeny of the Cleroidea (Coleoptera: Cucujiformia) |url=https://onlinelibrary.wiley.com/doi/10.1111/syen.12338 |journal=Systematic Entomology |language=en |volume=44 |issue=3 |pages=527–558 |doi=10.1111/syen.12338 |s2cid=91437400 |issn=0307-6970|url-access=subscription }}