Defense mechanisms in aphids can become a double-edged sword, sharpened by the seasons

Scientists examined the biological variations in pea aphids, insects that reproduce frequently enough to evolve before our eyes, by tracing the prevalence of their protective endosymbiont, Hamiltonella defensa, which the insects use to ward off parasitoid wasps.

from Top Environment News -- ScienceDaily https://ift.tt/3xijchk