Agrotis robusta

Blas, Germán San, 2014, Agrotis Ochsenheimer (Lepidoptera, Noctuidae): a systematic analysis of South American species, Zootaxa 3771 (1), pp. 1-64 : 36

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).