Assertion: cobweb spider | /r/CapableOf | move the egg sac
Facets:
value: out of this structure
type: OTHER
value: to regulate egg temperature
type: PURPOSE
Source sentences:
text: The European cobweb spider (Achaearanea saxatile) constructs a silken thimble-shaped structure and will move the egg sac into or out of this structure to regulate egg temperature.