Fig. 1

Karyolysus paradoxa (Dias, 1954) in varanid lizard Varanus albigularis albigularis Daudin, 1802. a–b Varanus albigularis albigularis. b Ticks of the species Amblyomma exornatum infesting the area above the eyes, the periphery of the mouth and deep into the nostrils (arrows). c–f Peripheral blood stages of K. paradoxa captured from the neohapantotype slide (NMB P 410). c Possible rare trophozoite stage, note that the young host erythrocyte cytoplasm and nucleus are still intact and that the parasite nucleus is visible and granular. d–f Mature gamonts within an erythrocyte in which shrinkage of the host cell is apparent and the nucleus destroyed resulting in a heavily vacuolated appearance. d Mature gamont in which folding of the gamont may be seen within the thick capsule (arrow). Scale-bar: 10 μm