Alurnus chapuisi Uhmann and Jolivet 1952

Staines, C. L., 2013, A review of the genus Alurnus Fabricius, 1775 (Coleoptera: Chrysomelidae: Cassidinae), Insecta Mundi 2013 (291), pp. 1-34 : 9

Alurnus chapuisi Uhmann and Jolivet 1952

( Figure 5)

Alurnus chapuisi Uhmann and Jolivet 1952: 2 [holotype: Colombia, Al. Wallisi, N. Grenade (IRSNB)].

Uhmann 1957a: 37 (catalog); Staines 1997: 412 (Uhmann species list).

Description. Head, pronotum, scutellum, and legs black; elytra yellow with suture, four costae, and basal margin black. Head: vertex rugose, finely punctate, medial sulcus absent; clypeus smooth, shining; front pilose; labrum setose. Antenna: (only basal two antennomeres present in type) antennomere 1 subglobose; 2 transverse, 0.5x length of 1. Pronotum: 2x as wide as long; lateral margin sinuate, rounded just before middle; anterior angle with blunt tooth; posterior angle with large rounded tooth; surface finely punctate; coarse transverse grooves present, finer on anterior quarter; transverse basal impression present; densely covered with yellow setae laterally; pronotal length 6.0 mm; pronotal width 7.0 mm. Scutellum: cordate; rugosely punctate; rounded at apex. Elytron: lateral and apical margins smooth, slightly explanate; sutural angle with tooth; humerus prominent, rounded; with 5 strongly convex costae; costa 1 along scutellar row, short, uniting with suture; costa 2 beginning at basal margin and is obliquely curving, uniting with suture and continues to apex; costa 3 beginning at basal margin, parallel to 1 until middle, obsolete after middle; costa 4 arising with 5 near humeral callus, extending obliquely toward and joining suture; costa 5 parallel to lateral margin, uniting with costa 2 at apex; interspaces wide, flat, finely punctate; elytral length 28.0 mm; elytral width 12.0 mm. Leg: punctate, each punctate with pale seta; tibia with row of setae on inner margin and tuft at apex. Venter: finely punctate, each puncture with golden-yellow seta; last abdominal sternite truncate apically. Total length: 33.0 mm.

Larval host plant. Unknown.

Distribution. Colombia.

Specimens examined. Colombia. Antioquia: New Grenade (IRSNB). Total: 1.