Milkweed Bug Eating. The blue or cobalt milkweed beetle isn t red or orange and black but this milkweed eating insect sequesters toxins from its host plant like monarchs do. It includes milkweed assassin bugs as well as shield bugs seed bugs water bugs flower bugs and sweet potato bugs.
The infesters tend to repel away due to the pungent smell. It is distributed throughout north america it ranges from central america through mexico and the caribbean to southern areas in canada. The bugs it seem have few predators.
Mix a few drops of peppermint lavender and tea tree oil with water and spray it directly at the insects.
They will eat monarch eggs and larvae milkweed is the host plant of monarchs as well as the oleander aphids that infest the milkweed. They ll consume almost any bugs in a home or garden including flies beetles worms mosquitoes and caterpillars. And they feed on nectar too. The infesters tend to repel away due to the pungent smell.