bellflower resin bees
... that bellflower resin bees were among the first insects noted to use synthetic materials in manufacturing nests?
... that <b id="mwnQ"><a href="./Megachile_campanulae" id="mwng" rel="mw:WikiLink" title="Megachile campanulae">bellflower resin bees</a></b> <i id="mwnw">(pictured)</i> were among the first insects noted to use synthetic materials in manufacturing nests?