Potato/tomato psyllid
are attached to a strand which connects them to the surface of leaves and can be found on the underside and leaf edge. Hatching occurs three to seven days [...] found to be responsible for serious crop damage, both directly and indirectly, the latter causing the greatest concern and proving difficult to control [...] development process lasts around 12 to 24 days, during which they visibly change colour over the different instars, starting with orange, then greenish-yellow