Alurnus crenatus Staines, 2013

Staines, C. L., 2013, A review of the genus Alurnus Fabricius, 1775 (Coleoptera: Chrysomelidae: Cassidinae), Insecta Mundi 2013 (291), pp. 1-34 : 10-11

publication ID	https://doi.org/ 10.5281/zenodo.5175823
publication LSID	lsid:zoobank.org:pub:4DADB084-2794-448C-874B-CE53C71CAAC4
DOI	https://doi.org/10.5281/zenodo.5188043
persistent identifier	https://treatment.plazi.org/id/1D76276B-355E-1078-FF26-CE64FE03FF34
treatment provided by	Felipe
scientific name	Alurnus crenatus Staines
status	sp. nov.

Treatment

Alurnus crenatus Staines , new species

( Figure 7)

Type Material. Holotype: Rio Bopi , Dept LaPaz, Bolivia, May 1925, GL Harrington / Holotype Alurnus crenatus Staines, des C. L. Staines 2012 [red label] ( USNM) .

Description. Head, antennae, pronotum, scutellum, legs, and venter metallic blue-green; elytra yellowish with spot at humerus, irregular orbicular spot just behind scutellum, and apical third metallic bluegreen. Head: vertex finely punctate, broad medial sulcus present ending in fovea near antennal bases, not depressed between eyes; front punctate; clypeus punctate, each puncture with long seta; with tuft of setae near each eye. Antenna: antennomere 1 subglobose, longer than 2; 2 transverse; 3 more than 2x length of 1 and 2 combined, cylindrical; 4-5 cylindrical, subequal in length, each 0.33x length of 3; 6-10 cylindrical, decreasing in length; 11 missing in holotype; punctate, each puncture with pale seta. Pronotum: lateral margin notched basally then regularly rounding to anterior angle; anterior angle angulate; blunt tooth present on each side of head on anterior margin; surface densely punctate; basal impression present medially, oblique depression present from anterior angle to middle not reaching disc; glabrous; pronotal length: 4.0 mm; pronotal width: 5.0 mm. Scutellum: cordate; micropunctate. Elytron: lateral and apical margins smooth, slightly explanate; sutural angle with small tooth; humerus prominent, slightly angulate; irregularly punctate; without costae; elytral length 17.0 mm; elytral width: 8.0 mm. Leg: slender; punctate, each puncture with pale seta. Venter: pro-, meso-, metasterna, and abdominal sterna punctate, each puncture with pale seta; abdominal sternite 2 rugose medially, 3-4 pustulate laterally. Total length: 22.0 mm.

Etymology. From crenata (Latin) meaning notch, for the notched base of the pronotum.

Larval host plant. Unknown.

Distribution. Bolivia.