Agrotis Ochsenheimer (Lepidoptera, Noctuidae): a systematic analysis of South American species Author Blas, Germán San text Zootaxa 2014 3771 1 1 64 journal article 36891 10.11646/zootaxa.3771.1.1 9f2ddd99-87fb-478b-938c-99e60937a1b7 1175-5326 285634 7C4129A9-DE4F-4CAE-AD88-EE14195A3E64 robusta -species group This species group is characterized by: in male genitalia tegumen with “shoulders” strongly marked; valve subrectangular, basal half narrow, then widened; cucullus apex strongly projected anterodorsally; sacculus 3/5 × as wide as valve; saccus hemispherical, notched dorsally and ventrally projected as a spine. Aedeagus fully sclerotized; vesica long, 8–10 × as long as aedeagus, excepting A. ipsilon (6 × as long as aedeagus). Female genitalia with appendix bursae long, 4–6 × as long as corpus bursae, excepting A. ipsilon (1.5–2 × as long as corpus bursae).