Acentroptera zikani Uhmann, 1935

Staines, C. L., 2014, A revision of the genus Acentroptera Guérin-Méneville, 1844 (Coleoptera: Chrysomelidae: Cassidinae), Insecta Mundi 2014 (332), pp. 1-19 : 13-14

Acentroptera zikani Uhmann

Fig. 13

Acentroptera zikani Uhmann 1935: 50 (Holotype: Virginia- 1500 m, S. Minas-Gerais, Faz. Campos, 16-XI- 1921, J. F. Zikan// No.// Bexbeule 1933, J. F. Zikan// Holtyp [red label]// Acentroptera zikani Uh., E. Uhmann det. 33 (DEI)). Papp 1953: 51 (catalog); Uhmann 1957: 66 (catalog); Gaedike and Döbler 1971: 363 (types); Staines 1997: 411 (Uhmann species list).

Description. Elongate; narrow; parallel-sided; reddish-brown with black markings; head and venter orangish-red; pronotum with longitudinal medial vitta and lateral margins dark; each elytron with macula on humerus, on puncture rows 1 and 2 near scutellum, on puncture rows 2-5 on basal ¼, on lateral margin extending to puncture row 9 from base to just beyond middle, on puncture rows 2 and 3 on apical ¼, and transverse band from puncture rows 2-9 on apical 1/5; legs orangish-red except upper surface of femora and tibiae diffuse black. Head: vertex punctate, medial sulcus present; not depressed between eyes; tooth present between antennal bases; frons with transverse carina; mandibles large. Antenna: reaches to humerus; antennomere 1 subglobose, ¾ length of 2; 2 transverse; 3-4 cylindrical, each longer than 2; 5-7 elliptical, decreasing in length; 8-10 transverse, subequal in length; 11 2x length of 10, pointed at apex; 1-7 punctate, 8-11 setose. Pronotum: transverse; convex; lateral margin sinuate, narrowly margined; anterior angle with blunt tooth; posterior angle acute; surface moderately punctate, punctures large; with medial longitudinal sulcus from base to apex; deep transverse basal impression present medially; pronotal length 2.1 mm; pronotal width 2.7 mm. Scutellum: quadrate; punctate. Elytra: lateral margin straight, smooth; exterior apical angle rounded; apical margin sinuate, slightly laminate; sutural angle with small tooth; humerus angulate; regularly punctate-striate; interspaces 2, 4, 6, and 8 costate, interspaces 4 and 6 most produced; elytral length 9.4 mm; elytral width 4.4 mm. Venter: pro- and mesosterna punctate; metasternum and abdomen impunctate; last abdominal sternite with fringe of setae on apical margin. Leg: punctate, each puncture with pale seta; tibia with fringe of setae on inner apical margin; meso- and metatibiae with tooth at apex; tarsi large. Total length: 12.1 mm.

Host plant. Unknown.

Distribution. Brazil (Minas Gerais).

Specimens examined: unknown locality: ex. Musaeo Mniszech (USNM). Brazil: Minas Gerais- Virginia, Faz. Campos, 1500 m, 16 November 1921 (DEI). Total: 2.

Figures

Figures 10-13. Habitus of Acentroptera species. 10) Acentroptera pulchella (Guérin-Méneville). 11) Acentroptera strandi Uhmann. 12) Acentroptera tessellata Baly. 13) Acentroptera zikani Uhmann holotype.