Should add i am also curious about the parasites on it's back if anyone has any info?
No interactions present.
Many types of bee and wasp seem to carry mites on their bodies, and it's not clear (to me at least!) whether the mites simply use this as a form of dispersal or are damaging the insect, or both.
There's some discussion here in relation to Ancistrocerus:
Entomologist and biological recorder
Lat/Lng: 53.5926, -3.0576
OS grid ref: SD300111