caterpillar or what

caterpillar or what

Observation - caterpillar or what - UK and Ireland. Description: found by shannon daw in a Bramley apple tree. very odd looking caterpillar. looks like a spider 1 end and a shield beetle the other. any help please

found by shannon daw in a Bramley apple tree. very odd looking caterpillar. looks like a spider 1 end and a shield beetle the other. any help please