Acentroptera emdeni Uhmann

Staines, C. L., 2014, A revision of the genus Acentroptera Guérin-Méneville, 1844 (Coleoptera: Chrysomelidae: Cassidinae), Insecta Mundi 2014 (332), pp. 1-19 : 6

Acentroptera emdeni Uhmann

Fig. 4

Acentroptera emdeni Uhmann 1930b: 152 (type: [ Colombia] Bogota, coll. Kirsch [green label]// Holotype [red handwritten label]// Acentroptera emdeni Uh 1929 , Uhmann det 1940// Museum für Tierkunde Dresden MTD). Uhmann 1943: 116 (noted), 1957: 66 (catalog); Papp 1953: 50 (catalog); Staines 1997: 411 (Uhmann species list).

Description. Elongate; parallel-sided; elytra much wider than pronotum; brownish-yellow with darker sheen, antennae, pro-, meso-, and metasterna black, abdomen partly dark. Head: vertex rugose; depressed between eyes; tubercle present between antennal bases; frons and clypeus sparsely punctate. Antenna: as long as head and pronotum combined, thickening apically; antennomere 1 subglobose; 2 transverse; 3 2x length of 1, elliptical; 4-7 elliptical, decreasing in length; 8-10 transverse; 11 2x length of 10, pointed at apex; 1-7 sparsely punctate; 8-11 setose. Pronotum: subquadrate; disc convex; lateral margin straight basally, angulate medially then narrowing to anterior angle, narrowly margined; anterior angle prominent, with blunt tooth; posterior angle acute; surface strongly, densely punctate; smooth longitudinal medial impressed line present; with slight transverse impression laterally at middle; transverse basal impression present medially; pronotal length 1.4-1.5 mm; pronotal width 1.4-1.6 mm. Scutellum: quadrate; finely punctate. Elytron: lateral margin weakly expanding apically, smooth; apex subtruncate, smooth; sutural angle notched, with small tooth; humerus rounded; regularly punctatestriate; weakly quadricostate, costa 2 most produced; costa 3 interrupted in middle; elytral length 6.1-6.4 mm; elytral width 2.7 mm. Venter: pro-, meso-, and metasterna impunctate medially, punctate laterally; abdominal sterna irregularly punctate, each puncture with pale seta; sternite 5 with fringe of setae at apex. Leg: punctate, each puncture with pale seta; tibia with fringe of setae on inner apical margin. Total length: 8.6-10.0 mm.

Host plant. Unknown.

Distribution. Bolivia, Brazil (Rio de Janeiro), Colombia, Ecuador, Panama, Peru.

Specimens examined: Brazil: Rio de Janeiro- no further data (USNM). Colombia: Distrito Capital- Bogotá (MTD). Ecuador: Loja- Loja (USNM). Panama: Chiriquí- La Fortuna, 9-1100 m, Rio Hornito Trail, 15 February 2001 (LSC). Peru: Cuzco- Marcapata, 3200 m, 14 October 1976 (USNM). Total 5.

Figures

Figures 1-9. Habitus of Acentroptera species. 1) Acentroptera basilica Thomson. 2) Acentroptera bita Staines n. sp. holotype. 3) Acentroptera dejeanii Guérin-Méneville. 4) Acentroptera emdeni Uhmann. 5) Acentroptera lacordairei Lucas. 6) Acentroptera lineata Staines n. sp. holotype. 7) Acentroptera nevermanni Uhmann. 8) Acentroptera norrisii Guérin-Méneville. 9) Acentroptera ohausi Weise.