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This is Catacanthus incarnatus, otherwise known as the Man-Faced Stink Bug. It can amuse you with their unusual color pattern that bears a remarkable resemblance to a human face! It is Discovered in 1778 by British entomologist, Dru Drury, the species hails from Southeast Asia and India, where it congregates in dense groups of several hundred on fruit trees and flowering flame trees. Man-faced stink bug; also referred to as the Hitler bug.
Eggs are laid in large numbers on leaves, and hatch to black and white wingless babies called nymphs. Adult colour is variable. such as red, yellow, orange and cream, and it's thought that these mostly bold colours exist to warn predators that the bug is either poisonous or at least tastes horrible. The bizarre face pattern could also function as a defence mechanism, with the pseudo-eyespots drawing attention away from the vulnerable head area.
Also known as shield bugs, Man-Faced Stink Bugs have a thick, hardened extension of the thorax, called a scutellum, that covers and protects the top of its abdomen. It sometimes has two prominent black dots on its scutellum, but always has a pair of big, black spots on its leathery wings.
Stink bugs are notorious pests because they target a plant's fruit and tender shoots in huge groups, using pheromones to attract scores of other stink bugs to join in. In India, large number occur on Ixora, and there are reports of 400-500 bugs on a branch of Delonix regia, and 300 on a single cashew tree.They are considered a threat to cotton, corn, soybean and cashew tree crops, to name a few, and are often resistant to pesticides.
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