Fig. 1.

Dragon’s blood of Dracaena draco. a Dragon’s blood tree growing at Jardín Botánico Canario "Viera y Clavijo" with leaves infected by Cochinilla algodonosa, note the reddish-brown spots on their surface (arrows). b Leaf scar (arrow) and lenticels filled with resin on stem surface. c Cross section of a lenticel. d Stem wound with margins covered with resin, the central, dead part is marked with an asterisk. e Cross-sectional view of a stem wound; the dragon’s blood forms a barrier that isolates the infected tissue from healthy tissues. Scale bar b, c = 1 mm