Fig. 4.

SEM of normal adults emerged from untreated H. dromedarii nymphs (control) and abnormal adults emerged from treated H. dromedarii nymphs. a Dorsal surface of normal adult male, b Ventral surface of normal adult male, c Dorsal surface of normal adult female, d Ventral surface of normal adult female, e Dorsal surface of male appeared corrugated (black star) and the mouth parts appeared shrunken (white star), f At the ventral surface of male, there was swelling and severe corrugation of legs (white arrows). g, h Swelling in whole body (white star) and shrinkage in legs (white arrows) were apparent in dorsal and ventral surfaces of female