Acentroptera Baly. Gemminger and Harold 1876
Creators: name: Staines, C. L.
Publisher: name: Zenodo
Year: 2014
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Chrysomelidae
Acentroptera

description: Key to the described species of Acentroptera   
 1. Lateral margin of pronotum angulate in middle........................................................................... 4   
 — Lateral margin of pronotum sinuate or arcuate........................................................................... 2   
 2(1). Vertex of head impunctate; elytra with additional row of punctures between rows 5 and 6 in middle; orangish-yellow, elytra with reddish-purple vitta; 7.5-8.2 mm; Panama; Fig. 6............ ........................................................................... Acentroptera lineata Staines, new species   
 — Vertex of head punctate or rugose; elytra without additional row of punctures between rows 5 and 6............................................................................................................................................ 3   
 3(2). Pronotum with longitudinal medial sulcus; humerus angulate; sutural angle with small tooth; reddish-brown with black markings; 12.1 mm; Brazil; Figure 13...............................................................................................................................................  Acentroptera zikani Uhmann    
 — Pronotum without longitudinal medial sulcus; humerus rounded; sutural angle without small tooth; testaceous, apical antennomeres and lateral margin of pronotum darker; 7.3-9.4 mm; Costa Rica, Guatemala, Honduras, Mexico; Fig. 7....  Acentroptera nevermanni Uhmann    
 4(1). Sutural angle notched................................................................................................................... 5   
 — Sutural angle not notched............................................................................................................. 7   
 5(4). Humerus angulate; antennomere 1 transverse; elytra with additional row of punctures between rows 5 and 6 in middle; reddish-yellow, elytra with dark markings; 5.5 mm; Panama; Fig. 2. ................................................................................. Acentroptera bita Staines, new species   
 — Humerus rounded; antennomere 1 subglobose; elytra without additional row of punctures between rows 5 and 6............................................................................................................................... 6   
 6(5). Pronotum with longitudinal medial sulcus; antennomere 1 shorter than 2; brownish-red, elytra with alternate interspaces paler; 8.6-10.0 mm; Bolivia, Brazil, Colombia, Ecuador, Panama, Peru; Fig. 4...........................................................................  Acentroptera emdeni Uhmann    
 — Pronotum without longitudinal medial sulcus; antennomere 1 subequal to 2; uniformly yellowish, pronotum with lateral and medial longitudinal vittae, elytra with elongate darker spots; 7.7 mm; Brazil, Fig. 12...................................................................  Acentroptera tessellata Baly    
 7(4). Vertex of head impunctate; testaceous, pronotum with brown medial vitta; 6.7-9.1 mm; Costa Rica, Panama; Fig. 11..........................................................  Acentroptera strandi Uhmann    
 — Vertex of head punctate or rugose................................................................................................ 8   
 8(7). Vertex of the head rugose............................................................................................................. 9   
 — Vertex of the head punctate......................................................................................................... 10   
 9(8). Sutural angle of elytra without tooth; reddish, pronotum with wide dark vitta on lateral margins and narrower medial longitudinal vitta, elytra yellowish with red margins and dark humeral band and transverse oblique band near posterior margin; 10.4-11.5 mm; Brazil, French Guiana; Fig. 8....................................................................  Acentroptera norrisii Guérin-Méneville    
 — Sutural angle of elytra with small tooth; dark, elytra brownish-red with darker sublateral and sutural vittae (which sometimes unite or may be absent); 9.5-11.3 mm; Ecuador; Fig. 9........ ........................................................................................................ Acentroptera ohausi Weise   
 10(8). Pronotum without medial longitudinal carina or sulcus.......................................................... 11   
 — Pronotum with medial longitudinal carina or sulcus................................................................ 12   
 11(10). Elytra with humerus rounded; yellowish-brown, pronotum with 3 longitudinal vittae, elytra pale yellow with lateral margin, suture, humerus, and apex darker plus 2 large dark maculae along sutural margin; 9.7-14.6 mm; Brazil; Fig. 10.....................................................................................................................................................  Acentroptera pulchella (Guérin-Méneville)    
 — Elytra with humerus angulate; metallic blue-black, pronotum with 3 longitudinal vittae, elytra with large yellow transverse band on apical 1/3; 11.0-14.0 mm; Colombia, Brazil; Fig. 3....... .............................................................................. Acentroptera dejeanii Guérin-Méneville   
 12(10). Elytra with humerus rounded; pronotum reddish-brown with 3 dark longitudinal vittae, elytra shiny reddish-brown with 3 dark oblique bands; 11.0-12.0 mm; Argentina, Brazil, French Guiana, Paraguay; Fig. 1.................................................................  Acentroptera basilica Thomson    
 — Elytra with humerus angulate; reddish-yellow; pronotum with three dark vittae, elytra with lateral margins dark and narrow dark transverse band present behind middle and at apex; 12.0-13.0 mm; Bolivia, Brazil; Fig. 5.................................  Acentroptera lacordairei Lucas
description: Published as part of Staines, C. L., 2014, A revision of the genus Acentroptera Guérin-Méneville, 1844 (Coleoptera: Chrysomelidae: Cassidinae), pp. 1-19 in Insecta Mundi 2014 (332) on pages 2-3, DOI: 10.5281/zenodo.4645589