Clover Looper
Caenurgina crassiuscula (Haworth, 1809) P-no. 930923, fam. Erebidae
Host plant(s): Unidentified herbaceous legume
Date(s) found: 24 May, 2026
Locations found: Tyson Research Center, St. Louis County, MO
Notes: The clover looper larvae is indistinguishable from Caenurgina crassiuscula (forage looper), and even adults can only be distinguished by close inspection of genitalia.
A Thousand Acres of Silphiums 