Alurnus undatus Brême 1844

Staines, C. L., 2013, A review of the genus Alurnus Fabricius, 1775 (Coleoptera: Chrysomelidae: Cassidinae), Insecta Mundi 2013 (291), pp. 1-34 : 23-24

Alurnus undatus Brême 1844

( Figure 22)

Alurnus undatus Brême 1844: 311 [type: Colombia, depository unknown]. Donckier 1899: 559 (catalog); Jacobson 1899: 250 (revision); Weise 1910: 103 (key), 1911a: 14 (catalog), 1911b: 20 (catalog); Fischer

1935: 270 (revision); Blackwelder 1946: 721 (faunal list); Papp 1953: 34 (catalog); Uhmann 1957a: 40 (catalog).

Description. Head, pronotum, antennae, scutellum, legs, and venter black; elytra yellow with 3 black transverse bands- semicircular extending from humerus to puncture row 1, irregular just behind middle, and on apical quarter. Head: vertex punctate, medial sulcus present; ocular sulcus present on inner margin of each eye, with row of setae in each sulcus; front sparsely punctate, glabrous; clypeus punctate, each puncture with pale seta. Antenna: antennomere 1 subglobose, longer than 2; 2 transverse; 3-10 cylindrical; 3 length 3.5x length of 1 and 2 combined; 4-5 subequal in length, each 0.33x length of 3; 6-10 subequal in length, each shorter than 5; 11 longer than 10, bluntly pointed at apex; 1-8 sparsely punctate, each puncture with pale seta; 9-11 more densely punctate, each puncture with pale seta. Pronotum: lateral margin sinuate and diverging in basal three-quarters then rounded and converging; anterior angle rounded; posterior angle acute; tufts of setae present on anterior margin on each side of head; disc sparsely irregularly punctate, slightly rugose, more densely rugose laterally, with faint longitudinal line; base with slight transverse impression; glabrous; pronotal length 4-5 mm; pronotal width 4-5 mm. Scutellum: cordate; sparsely punctate. Elytron: expanding apically; lateral and apical margins smooth, slightly explanate; small acute tooth in sutural angle; humerus prominent, rounded; surface irregularly punctate; without costae; elytral length 13-18 mm; elytral width 8-12 mm. Leg: femur and tibia punctate, each puncture with white seta; tibia with fringe of golden setae on inner apical margin. Venter: pro-, meso-, and metasterna punctate medially, each puncture with white seta, slightly rugose laterally; abdominal sterna punctate, each puncture with white seta; sterna 1-4 pustulate laterally. Total length: 17-25 mm.

Larval host plant. Unknown.

Distribution. Colombia, Panama.

Specimens examined. Colombia. No further data ( BMNH, 1; PSUC, 2) ; Marzo ( MHMB, 1) ; Honda ( PSUC, 4). Antioquia: Nouvelle Grenade ( BMNH, 1; NMW, 1). Caqueta: Morelia, Rio Bodoquero, 430 m, 19-20.i.1969 ( USNM, 1). Choco: Cano Docordo between Cucurrupi and Noanama on Rio San Juan, 24- 30.xii.1968 ( FMNH, 1). Cundinamarca: Canenche , 1.ix.1900 ( USNM, 6) . Panama. Panama: 2 mi N Cerro Campana , 11.v.1972 ( BYU, 1) ; Cerro Campana, 29.iv.1970 ( CAS, 1), 29.viii.1970 ( NCSU, 1). Total : 21 .