Looking back: a previous praying mantis season November 20, 2014 | Beth Witherell It’s Throwback Thursday. Sept. 3, 2002: Lily Witherell, daughter of former Fermilab Director Mike Witherell and Beth Witherell, spots a praying mantis on the steps of Wilson Hall. It was her third birthday. Photo: Beth Witherell Tagged: nature, praying mantis, Wilson Hall