weaver ants
... that weaver ants were being used to control citrus pests in China as early as 304 A.D.?
... that <b id="mwBZ4"><a href="./Oecophylla_smaragdina" id="mwBZ8" rel="mw:WikiLink" title="Oecophylla smaragdina">weaver ants</a></b> <i id="mwBaA">(pictured)</i> were being used to control citrus pests in China as early as 304 A.D.?