Many beetles are useful in the garden, some feed on the bad guys. Many also spread the pollon like this flower longhorn. Wild Ginger, shown here,is also a plant that relies on beetles for propogation. ( photo / image / picture from Kildale's Garden ) ( photo / image / picture from Kildale's Garden ) wild ginger ( photo / image / picture from Kildale's Garden )
Your photographs are so clear that I can almost count each grain of pollen on the Flower Longhorn!!! :-D