As the others answers have stated, tarantulas do indeed make webs. A layer of silk can often be seen carpeting the interior and immediate surroundings of their burrows. This has several functions including providing support for the burrow walls, as well as a creating a surface that is easier for the tarantula to grip. read more
Although they do have silk-producing capabilities, most tarantulas do not weave aerial webs to trap their prey. Rather, they utilize ambush strategies or hunt for food at night. Depending on the species, most hide within their burrows to ambush prey as it walks by or may wander nearby to the burrow looking for a meal. read more
Though tarantulas don't spin webs, they do use silk Like all spiders, tarantulas produce silk, and they put this resource to use in clever ways. Females use silk to decorate the interiors of their below-ground burrows, which is thought to strengthen the earthen walls. read more