Assertion: darner dragonfly | /r/HasProperty | anax junius
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Source sentences:
text: The Common Green Darner dragonfly (Anax junius) is nicknamed "Darning Needle" because of its body shape.
text: The green darner dragonfly, Anax junius, embarks on a rigorous, multi-generational migratory relay race up and down North America every year that largely goes unnoticed, according to a new study published in the journal Biology Letters.