Alurnus obliquus Uhmann 1961

Staines, C. L., 2013, A review of the genus Alurnus Fabricius, 1775 (Coleoptera: Chrysomelidae: Cassidinae), Insecta Mundi 2013 (291), pp. 1-34 : 17-18

Alurnus obliquus Uhmann 1961

( Figure 16)

Alurnus obliquus Uhmann 1961: 6 [holotype: Bolivia, Yugas de la Paz (DEI)]. Uhmann 1964: 407; Gaedike and Döbler 1971: 356 (types); Staines 1997: 412 (Uhmann species list).

Alurnus obliquus epipleuralis Uhmann 1961: 8 [holotype: Peru, La Marée de Chanchamayo (DEI?)]. Uhmann 1964: 407 (catalog); Staines 1997: 412 (Uhmann species list).

Description. Head, antennae, pronotum, scutellum, venter (epipleuron may be pale), and legs black; elytra dark blue-black with yellowish-brown markings: basal spot from scutellum to humerus, oblique transverse band from lateral margin below humerus to suture, band on apical quarter. Head: vertex punctate, with some punctures rugose, each puncture with pale seta, medial sulcus absent, depressed between eyes; front punctate; clypeus punctate, each puncture with long yellow seta. Antenna: antennomere 1 subglobose, 2x length 2; 2 small, transverse; 3 cylindrical, 3x length of 1 and 2 combined; 4-10 cylindrical; 4-5 subequal in length, each 0.5x length of 3; 6 slightly shorter than 5; 7 longer than 6; 8-10 subequal in length, each 0.75x length 7; 11 longer than 10, rounded at apex; 1-7 punctate, each puncture with pale seta; 8-11 more densely punctate, each puncture with pale seta. Pronotum: lateral margin rounded, widest in middle; anterior angle acute; posterior angle with tooth; surface punctate, each puncture with yellow seta; base with transverse impression present; rounded depression present on each side near middle; pronotal length 5.0 mm; pronotal width 6.0 mm. Scutellum: cordate, rounded at apex; punctate. Elytron: lateral margin straight for basal two-thirds then rounding to apex; sutural angle with small tooth; humerus rounded, slightly produced; without costae; surface with scattered punctures, somewhat rugose basally; elytral length 21.0 mm; elytral width 9.0 mm. Leg: punctate, each puncture with yellow seta. Venter: punctate, each puncture with long yellow seta. Total length: 25 mm.

Larval host plant. Unknown.

Distribution. Bolivia, Peru.

Specimens examined. Bolivia. La Paz: Yugas de la Paz (DEI, 1). Peru. Cusco: Consuela km 165 on Cosnipata Hwy., 13.x-25.xi.1981 (FMNH, 1). Total: 2.