Assertion: caterpillar's leg | /r/HasProperty | covered by hairlike structures
Facets:
value: against the leaf
type: TRANSITIVE-OBJECT
Source sentences:
text: The masked birch caterpillar (Drepana arcuata) produces vibratory signals in order to defend its territory against intruders of the same species; it produces the vibrations by drumming its mandibles on the leaf surface and by scratching its legs, which are covered by hairlike structures, against the leaf.