The majority of cicadas are nocturnal .
The majority of cicadas rely on camouflage when at rest , but some species are aposematic ; the Malaysian Huechys sanguinea has conspicuous red and black warning coloration , is diurnal , and boldly flies about in full view of possible predators .
The majority of cicadas are nocturnal and rely on camouflage when at rest , but some species are aposematic ; the Malaysian Huechys sanguinea has conspicuous red and black warning coloration , is diurnal , and boldly flies about in full view of possible predators .