Hibiscus harlequin bug
With their beautifully warm and vibrant colours, these insects are commonly known as Hibiscus Harlequin bugs or Cotton Harlequin bugs as they feed on plants within family Malvaceae as well as cultivated cotton.
Adult females are mostly orange with shiny turquoise patches and males are shiny blue and red.
Female 20 mm length
"Tectocoris diophthalmus" is a brightly coloured convex and rounded shield-shaped bug with a metallic sheen that grows to about 20 mm. Adult females are mostly orange and males are both blue and red or orange. The colours are quite variable. It lives in Northern and Eastern Australia, New Guinea and several Pacific Islands in habitats ranging from urban to agricultural and coastal areas.