In D.C. Area, It's the Day Of the Cicada (washingtonpost.com): "'Predatory Satiation'
Some insects are endowed with elaborate defense mechanisms -- such as moths, whose bodies course with toxins -- that ensure they are left pretty well alone. Not periodical cicadas. There are simply too many of them to be wiped out by predators. Their sheer volume is a survival tactic scientists call 'predatory satiation.' "
Some insects are endowed with elaborate defense mechanisms -- such as moths, whose bodies course with toxins -- that ensure they are left pretty well alone. Not periodical cicadas. There are simply too many of them to be wiped out by predators. Their sheer volume is a survival tactic scientists call 'predatory satiation.' "
Comments