Figs. 1–3. 1 in Definition And Revision Of The Viduatus Species- Group Of North American Pachybrachis Chevrolat (Coleoptera: Chrysomelidae: Cryptocephalinae)

Figs. 1–3. 1) Pachybrachis median lobe (diagrammatic), lateral view, BC = basal constriction, BP = basal piece, K = keel, OS = orificial space, POL = postorificial length; PRL = preorificial length, S = shaft, TG = tegmin, W = wisp; 2) Pachybrachis median lobe (diagrammatic), en-face view, ALM = apicolateral margin, BF = basal lateral fold, DEO = distal en-face outline, LBP = lateral basal plate, MBP = median basal plate, N = nodule, T = terminus; 3) Pachybrachis picturatus, median lobe, en-face and lateral views.