<prompt> Vector of scrub typhus in man ?O. tsutsugamushiLeptotrombidium delienseLicePediculous humanus  <response>: Ans. is b i.e., Leptotrombidium deliense o For scrub typhus :- Causative agent R. tsutsugamushi Vector trombiculid mite Leptotrombidium delinese and L. akamushi 