Assertion: ant's gaster | /r/HasProperty | black
Facets:
value: with blue or purple iridescence
type: OTHER
Source sentences:
text: The gaster can be brown or black with blue or purple iridescence and the legs are either orange or brown.
text: The gaster (the bulbous part of the abdomen) is black with a metallic green or blue sheen.
text: The Bulldog Ant (Myrmecia nigriceps) has a black head and black gaster (the bulbous part of the abdomen).