By the way, the bugs themselves are fine. They're called Ironclad beetles in english and have one of the hardest exoskeletons in the insect world.
Some of them would need a drill to even penetrate their shells..
So, a few glued on gemstone probably aren't even noticeable.
Though, most people would be wigged out by the thought of
wearing bugs.
“She'd become a governess. It was one of the few jobs a known lady could do. And she'd taken to it well. She'd sworn that if she did indeed ever find herself dancing on rooftops with chimney sweeps she'd beat herself to death with her own umbrella.”
― Hogfather