. _:vb6985408 . _:vb6985407 . _:vb6985407 "(entomology) Any of various fast-flying hesperiid butterflies."@en . _:vb6985408 "Earless ghost swift moths become \u201Cinvisible\u201D to echolocating bats by forming mating clusters close (less than half a meter) above vegetation and effectively blending into the clutter of echoes that the bat receives from the leaves and stems around them."@en . "4" . _:vb6985408 "2013 May-June, William E. Conner, \u201CAn Acoustic Arms Race\u201D, in American Scientist, volume 101, number 3, pages 206\u20137:"@en .