The wasps that horrified Darwin reveal evolution's one-way streets

Few insects have a more gruesome lifestyle than Darwin wasps. Rather than simply hunting other animals, these parasitic wasps lay their eggs on or inside living hosts, including caterpillars, beetles and spiders. Their larvae then feed on their hosts, gradually consuming them and This story matters for Science & Discovery readers tracking insect. Reported by phys.org. Read the full original at the source link below.