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1961 Oshkosh Daily Northwestern (WI) 4 Aug 16/7, [Advt:] Bloechl’s Live Bait. . . Helgramites / Thunderbug / Long Greens and Spiders. 1969 Twin City News–Rec. (Menasha WI) 27 Feb 2/5, But hellgrammites became tricky to get in late summer, or we could get only small ones called spiders, or the price became too steep. 1993 Capital Times (Madison WI) 26 June sec B 5/5, Lake Kegonsa. . . Perch are being found in 7-9 feet of water on weed edges, and anglers using nightcrawlers and spider hellgrammites . . are having the best luck. 2008 in 2020 DARE File—Internet cWI, Spider mites are a name applied to the short-bodied, long-legged larvae of the family Libellulidae. 2010 Ibid seWI, I think you will find most bait shop[s] sell the “spiders” and “greenies” as hellgrammites—even tho they are dragon fly nymphs. 2020 DARE File—Internet seWI, [Advt:] Hellgrammites. . . Spider Hellgrammites AKA – Rockflies, Thunderbugs.
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