Assertion: tarantula | /r/HasProperty | closed by trapdoor
Facets:
value: often
type: TEMPORAL
Source sentences:
text: The primitive Liphistiidae, the "trapdoor spiders" (family Ctenizidae) and many tarantulas are ambush predators that lurk in burrows, often closed by trapdoors and often surrounded by networks of silk threads that alert these spiders to the presence of prey.