Possible living fossil in Bolivia: A new genus of flea beetles with modified hind legs (Coleoptera, Chrysomelidae, Galerucinae, Alticini) Author Konstantinov, Alexander S. text ZooKeys 2016 592 103 120 http://dx.doi.org/10.3897/zookeys.592.8180 journal article http://dx.doi.org/10.3897/zookeys.592.8180 1313-2970-592-103 129DC327922D45ABA480396F86658597 Taxon classification Animalia Coleoptera Chrysomelidae Chanealtica maxi sp. n. Figs 26, 27-31, 32-36 Description . Body length 2.59-3.29 mm. Width 1.51-1.72 mm. Color light ochre with last eight antennomeres and apices of metatibia dark brown. Proportions of male antennomeres 1-6 as follows: 14:6:8:10:14:13. Pronotum with lateral margins nearly straight, at base wider than at apex. Length to width ratio of first protarsomere of male 1.43. Median lobe of aedeagus in ventral view relatively wide, widening relatively gradually (Fig. 29). Apex in ventral view without ridge, but with wide and shallow impression. Apex in lateral view with indistinct knob slightly bent ventrally. Spermathecal receptacle with basal part significantly smaller than apical (Fig. 34). Narrow, anterior part of tignum shorter than posterior part (Fig. 35). Figure 26. Chanealtica maxi . Dorsal habitus. Figures 27-31. Chanealtica maxi . 27 Habitus dorsal 28 Habitus lateral 29 Aedeagus, ventral and lateral views 30 Head, frontal view 31 Front tarsi, male. Figures 32-36. Chanealtica maxi . 32 Abdominal tergites, female 33 Abdominal sternites, female 34 Spermatheca 35 Tignum 36 Vaginal palpi. Etymology. This species is named after Max Joseph Miles, the "newest" member of the Konstantinov/Miles family. Material examined. Holotype female. Labels: 1) Bolivia: Santa Cruz Dept. Florida Prov., Refugio Los Volcanes, 4 km N of Bermejo 1000-1300 m 29.X.2007 18°06'S , 63°36'W leg. S. Lingafelter & N. Woodley; 2) Holotype Chanealtica maxi sp. n. des. A. Konstantinov 2016 (will be deposited at MNKB, currently at USNM). Paratypes: 1) Bolivia: Santa Cruz Dept. Florida Prov., Refugio Los Volcanes, 4 km N of Bermejo, 1000-1300 m 28.X.2007, 18°06'S , 63°36'W leg. A. Konstantinov; 2) Paratype Chanealtica maxi sp. n. des. A. Konstantinov 2016 (2 USNM). 1) Bolivia: Santa Cruz Dept. Florida Prov., Refugio Los Volcanes, 4 km N of Bermejo, 1000-1300 m 4.XI.2007, 18°06'S , 63°36'W Laurel trail leg. A. Konstantinov; 2) Paratype Chanealtica maxi sp. n. des. A. Konstantinov 2016 (2 USNM). Figures 37-42. Examples of the metatibiae and metatarsi in flea beetles. 37 Aphthona nonstriata (Goeze) 38 Aphthonoides sp. 39 Hypolampsis pilosa (Illiger) 40 Argopistes sp. 41 Psylliodes luteola (Muller) 42 Metroserrapha sp.