Amblycerus dispar (Sharp, 1885)

Santos, Aluska Tavares Dos & Ribeiro-Costa, Cibele Stramare, 2019, Rearrangements in some species groups of Amblycerus Thunberg, 1815 (Coleoptera: Chrysomelidae: Bruchinae) including keys, description of a new species, new host plant and distributional records, Zootaxa 4701 (2), pp. 101-148 : 106

publication ID	https://doi.org/ 10.11646/zootaxa.4701.2.1
publication LSID	lsid:zoobank.org:pub:7BD270C5-50AA-4CC0-8101-DB46948A0C81
persistent identifier	https://treatment.plazi.org/id/285D3106-FFD0-EE04-FF07-FDECFA09D5BD
treatment provided by	Plazi
scientific name	Amblycerus dispar
status

Treatment

Key to the species of the dispar group based on males

1. Pronotum and elytra covered with grayish setae ( Figs 12 View FIGURES 9–14 , 51 View FIGURES 48–53 ). Metepisternum with conspicuous coarse punctures ( Fig. 38 View FIGURES 35–40 ). Hind tibia lateral spur about three times the length of the median spur. Pygidium with sparse coarse moderate punctures ( Fig. 81 View FIGURES 78–83 ).......................................................................... A. schwarzi Kingsolver, 1980

1’. Pronotum and elytra covered with yellowish or orange setae ( Figs 11, 13, 14 View FIGURES 9–14 ). Metepisternum with coarse punctures of smaller size, not so conspicuous ( Fig. 37 View FIGURES 35–40 ). Hind tibia with lateral spur about two times the length of the median spur ( Figs 35–37, 39–40 View FIGURES 35–40 ). Pygidium with dense coarse punctures ( Figs 78–80, 82–83 View FIGURES 78–83 )............................................. 2

2. Pronotum with coarse punctures covering all the surface ( Figs 49, 51 View FIGURES 48–53 )........................................... 3

2’ Pronotum with coarse punctures covering only the lateral areas ( Figs 48, 50, 52, 53 View FIGURES 48–53 )................................ 4

3. Eyes approximate anteriorly (ocular index: 9.5) ( Fig. 23 View FIGURES 22–27 ). Median lobe of male genitalia about 4.5 times as long as its greatest width at apical region ( Fig. 92 View FIGURES 91–96 ). Apical region of internal sac without sclerites ( Fig. 92 View FIGURES 91–96 )............ A. dispar ( Sharp, 1885)

3’ Eyes distant from each other anteriorly (ocular index: 3.5) ( Fig. 22 View FIGURES 22–27 ). Median lobe of male genitalia about 3.7 times as long as its greatest width at apical region ( Fig. 91 View FIGURES 91–96 ). Apical region of internal sac with one pair of sclerites ( Fig. 91 View FIGURES 91–96 )................................................................................... A. crassipunctatus Ribeiro-Costa, 1999c

4. Pronotum with setae homogeneously distributed ( Fig. 50 View FIGURES 48–53 )................................. A. insuturatus ( Pic, 1902)

4’ Pronotum with setae forming tufts ( Fig. 53 View FIGURES 48–53 )................................................................ 5

5. Integument dark brown ( Fig. 13 View FIGURES 9–14 ). Male genitalia with the apical region of internal sac without sclerites ( Fig. 95 View FIGURES 91–96 ).................................................................................. A. taeniopygus Ribeiro-Costa, 1999c

5’ Integument light brown ( Fig. 14 View FIGURES 9–14 ). Male genitalia with the apical region of internal sac with a pair of sclerites ( Fig. 96 View FIGURES 91–96 ).............................................................. Amblycerus goianiensis Santos & Ribeiro-Costa , sp. n.