Ontherus sulcator Fabricius, 1775

González-Vainer, Patricia, Cantil, Liliana F. & Morelli, Enrique, 1775, Ontherus sulcatorFabricius, 1775 (Coleoptera: Scarabaeidae: Scarabaeinae): Descriptions of the Third Instar and Pupa, The Coleopterists Bulletin 1775 (2), pp. 355-360 : 355-360

Ontherus sulcator Fabricius, 1775 pupa

( Figs. 16 – 18 )

Description. Exarate, oval and stout. Body length 9.2 mm, maximum width 4.5 mm. Surface glabrous. Head: Antennae, clypeus, mandibles, maxillae, and labium well-discernible. Thorax: Pronotum quadrangular, approximately twice as wide as long, with rounded anterior angles; with 2 short, antero-median finger-like projections close together at base and divergent apically. Mesonotum narrow with a short, papillate, median projection at posterior margin. Metanotum with a longitudinal median ridge. Elytral and hind wing tecae closely appressed. Forelegs partially concealed by labium. Hind legs hidden by pterotecae, only tarsomeres visible. Abdomen: Dorsal tergal projections in each abdominal segment collectively forming a median ridge extending along the abdomen. Segments III – V with lateral finger-like projections with blunt apices; segments VII – IX coaelesced; bilobate caudal projection present.

Figures

Figs. 12–18. Ontherus sulcator. Third instar: 12) Left maxilla, dorsal view; 13) Left maxilla, ventral view;