Scriptured Leaf Beetles

Figures 1–2. Habitus, dorsal view: 1 Pachybrachis sassii sp. n., holotype 2 Pachybrachis salfii, neotype.

Figures 3–4. Median lobe of aedeagus; magnification 120×, scale bar = 100 µm 3 Pachybrachis sassii sp. n. holotype; a dorsal b lateral and c ventral view 4 Pachybrachis salfii neotype a dorsal b lateral and c ventral view. Median lobe silhouette is demaged by dehydration, probably due to contact with air for a long time.

Figure 6. Pachybrachis sassii sp. n. a spermatheca b ventral sclerite of kotpresse c dorsal sclerite of kotpresse. Scale bar = 0.3 mm.

Habitus 2.Dorsal habitus of Pachybrachis bivittatus. Scale bar, 1 mm.

Map 2.The known distribution of Pachybrachis bivittatus in eastern Canada. OR – Ottawa River; SLR – St. Lawrence River; SR – Saguenay River.

Figure 6.Pronotum: a reddish, with close-up of marginal bead, Pachybrachis bivittatus b mottled, Pachybrachis spumarius c with black M-mark, Pachybrachis m-nigrum d almost black, Pachybrachis nigricornis carbonarius.

Figure 7.Elytral punctures and coloration: a in rows in deep striae, Pachybrachis luctuosus b confused in basal half, in rows in apical half, Pachybrachis calcaratus c all confused, Pachybrachis hepaticus d confused and mottled, Pachybrachis spumarius e vittate with marginal vitta interrupted, Pachybrachis bivattatus f black, margined with yellow, Pachybrachis nigriconis carbonarius g entirely black, Pachybrachis luridus.

Figure 8.Pygidium: a largely yellow, Pachybrachis bivittatus b with well-defined yellow spots, Pachybrachis cephalicus c with faint reddish spots, Pachybrachis spumarius d black, Pachybrachis atomarius.

Figure 9.Sexes: a male abdomen, ventral view, Pachybrachis bivittatus b female abdomen, ventral view, Pachybrachis bivittatus.

Habitus 3.Dorsal habitus of Pachybrachis calcaratus. Scale bar, 1 mm.

Map 3.The known distribution of Pachybrachis calcaratus in eastern Canada. Carolinian Zone in dark beige.

Figure 5.Tibial spurs: a absent from front leg, Pachybrachis atomarius b minute on front leg, Pachybrachis spumarius c large on front leg, Pachybrachis calcaratus d small and pointed on middle legs in most species.

Figure 7.Elytral punctures and coloration: a in rows in deep striae, Pachybrachis luctuosus b confused in basal half, in rows in apical half, Pachybrachis calcaratus c all confused, Pachybrachis hepaticus d confused and mottled, Pachybrachis spumarius e vittate with marginal vitta interrupted, Pachybrachis bivattatus f black, margined with yellow, Pachybrachis nigriconis carbonarius g entirely black, Pachybrachis luridus.

Habitus 4.Dorsal habitus of Pachybrachis cephalicus. Scale bar, 1 mm.

Map 4.The known distribution of Pachybrachis cephalicus in eastern Canada. Carolinian Zone in dark beige.

Figure 8.Pygidium: a largely yellow, Pachybrachis bivittatus b with well-defined yellow spots, Pachybrachis cephalicus c with faint reddish spots, Pachybrachis spumarius d black, Pachybrachis atomarius.

Habitus 5.Dorsal habitus of Pachybrachis hepaticus hepaticus. Scale bar, 1 mm.

Map 5.The known distribution of Pachybrachis hepaticus hepaticus in eastern Canada. OL – Ontario Lake; OR – Ottawa River.

Figure 1.Eyes: a close eyes, Pachybrachis pectoralis b normal eyes, Pachybrachis peccans c normal eyes and yellow face, male Pachybrachis atomarius d remote eyes, Pachybrachis hepaticus.

Figure 3.Front femora: a not enlarged, Pachybrachis hepaticus b thickened, Pachybrachis peccans.

Figure 7.Elytral punctures and coloration: a in rows in deep striae, Pachybrachis luctuosus b confused in basal half, in rows in apical half, Pachybrachis calcaratus c all confused, Pachybrachis hepaticus d confused and mottled, Pachybrachis spumarius e vittate with marginal vitta interrupted, Pachybrachis bivattatus f black, margined with yellow, Pachybrachis nigriconis carbonarius g entirely black, Pachybrachis luridus.

Habitus 6.Dorsal habitus of Pachybrachis luctuosus. Scale bar, 1 mm.

Map 6.The known distribution of Pachybrachis luctuosus in eastern Canada. IR – Île-du-Grand-Calumet in Ottawa River.

Figure 7.Elytral punctures and coloration: a in rows in deep striae, Pachybrachis luctuosus b confused in basal half, in rows in apical half, Pachybrachis calcaratus c all confused, Pachybrachis hepaticus d confused and mottled, Pachybrachis spumarius e vittate with marginal vitta interrupted, Pachybrachis bivattatus f black, margined with yellow, Pachybrachis nigriconis carbonarius g entirely black, Pachybrachis luridus.