Lacewing larva (Chrysoperla carnea)
Actual size 3mm, Yorkshire UK

Canon EOS 300D and MP-E 65mm, f/16, 1/125 at x3 macro with fill in flash

Lacewing larva eat aphids.  I've spent most of my adult life looking for one and finally captured one on film.  A cunning predator; they cover themselves with vegetation, and move around aphid colonies in disguise, picking off aphids one at a time.  A real wolf in sheep's clothing.