華萊士巨蜂具有6.3公分長的翼展與幾乎跟鍬形蟲一樣的大顎，牠們用大顎舀起樹脂並鋪在巢穴裡。PHOTOGRAPH BY CLAY BOLT

阿爾弗雷德．羅素．華萊士採集的華萊士巨蜂原始標本。PHOTOGRAPH BY ROBERT CLARK, NAT GEO IMAGE COLLECTION