FIGURES 17−19 in Diabrotica collicola (Coleoptera: Chrysomelidae), a new species of leaf beetle from Argentina and key to species of the Diabrotica virgifera group and relatives

FIGURES 17−19. Diabrotica collicola Cabrera & Cabrera Walsh (17) Median lobe, lateral view. (18) Median lobe, detail of apex and internal sac, dorsal view. (19) Female genitalia. Scale bars= 0.1 mm. Abbreviations: bf, basal foramen; os, ostium; pu, pump; re, receptacle; sc1, sclerite 1; sc2, sclerite 2; sc3, sclerite 3; sc4, sclerite 4; ssd, sclerotized spermathecal duct; tg, tignum; tl, triangular lobe; va-bu, vagina-bursa copulatrix; vg, vaginal palpi.