On 23/09/2019 16:03, Broadback wrote:
I always understood that spiders do no grow in size.

You understood wrong.

They grow, and like all creatures with external skeletons have to shed
them every so often. I occasionally find the shed "skin" of a spider.

Back to the OP: We have phalangioides spiders, sometimes known as daddy
longlegs. One of the things they eat is the black hairy tegenaria spiders

Andy
--
Not to be confused with a cranefly, sometimes known as daddy longlegs...