Meaning of name: The meaning of Menochilus is not known. Sexmaculatus is from the Latin words sex, meaning six, and maculatus, meaning spotted.
Remarks: This beetle was approximately 1 centimetre long.
References: Identification courtesy of Doug McDougie.
Ladybirds of Australia http://www.ento.csiro.au/biology/ladybirds/ladybirds.htm
Atlas of Living Australia https://bie.ala.org.au/species/urn:lsid:biodiversity.org.au:afd.taxon:3be22b06-a0d2-43ac-a574-e5fd11df792c#gallery
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This beetle is on a seed pod of Jacksonia sternbergiana.