crawler n
1 = hellgrammite n 1. ?obs
1863 Proc. Entomol. Soc. Philadelphia 2.265 nwIL, They [=larvae of Corydalis cornutus] are much sought after as fish-bait, having a very tough integument so that one larva suffices to catch several fish, and are popularly known in the neighborhood of Rock Island as “crawlers.” 1882 Amer. Angler (Ed. Harris) 2.53 sePA, We sum up—Corydalis cornutus, is his baptismal scientific name, but he is also called: . . Crawler [at] Perkiomen, Pa. 1882 Amer. Angler (Ed. Harris) 2.87 csWI, A few of our anglers of course know the creature by the name of “helgramite” or “larvæ of the horned corydalis.” The greater number of the knights of the rod however style it as that “———— crawler ! ! !” 1902 York Daily (PA) 24 Sept 3/2 nwPA, The only bait to tickle the fancy of the French Creek black bass is a minnow . . —although they will take a crawler now and then. . . A crawler . . . gets to be two inches and more long. It has legs all over itself and a head like a clawhammer. 1908 IN Comm. Fisheries & Game Biennial Rept. 1907–1908 316, The larvæ of the helgrammite-fly are found under stones in rocky rivers. The boys call them “dobsons,” “clippers,” “crawlers,” or other names suggested by their forbidding appearance and vicious ways.