Lady-bugs(beetles) are very different from Asian beetles, Ladybugs are highly beneficial predatory insects but will move on fairly quickly without a population to feast on, they don't eat the plant or anything bad like that. Asian beetles on the other hand, aggressive, smelly.
growdiaries.com/diaries/187226-grow-journal-by-ultraviolet/week/1117955
Good pic of differences on one of my grows.