Images #8 & #9 deftly shows that "Most aphids have a pair of cornicles, abdominal tubes through which they exude droplets of a quick-hardening defensive fluid called cornicle wax." per http://en.wikipedia.org/wiki/Aphid
Images #8 & #9 deftly shows that "Most aphids have a pair of cornicles, abdominal tubes through which they exude droplets of a quick-hardening defensive fluid called cornicle wax." per http://en.wikipedia.org/wiki/Aphid
did not know that, must be what they use to adhere the aphid legs to their heads :shock: