Alurnus grossus Fabricius 1775

Staines, C. L., 2013, A review of the genus Alurnus Fabricius, 1775 (Coleoptera: Chrysomelidae: Cassidinae), Insecta Mundi 2013 (291), pp. 1-34 : 12-13

Alurnus grossus Fabricius 1775

( Figure 11)

Alurnus grossus Fabricius 1775: 94 [holotype: Indiis (ZMUC)]. Fabricius 1781: 115 (noted), 1787: 66 (noted), 1792: 51 (noted), 1801a: 25 (noted); Linnaeus 1788: 1666 (noted); Olivier 1792: 96 (noted), 1808: 759 (noted); Latreille 1802: 231 (noted), 1807: 49 (noted), 1810: 432 (catalog); Illiger 1804: 130 (noted); Schönherr 1808: 342 (species list); Duméril 1823: plate 20, figure 12 (illustration); Dejean 1821: 115 (collection list), 1837: 387 (checklist); Laporte 1840: 511 (noted); Guérin-Méneville 1840: 331 (noted); Baly 1858: 27 (redescription); Chenu and Desmarest 1870: 341 (noted); Gemminger and Harold 1876: 3605 (catalog); Donckier 1899: 558 (catalog); Jacobson 1899: 251 (revision); Weise 1910: 103 (key), 1911a: 13 (catalog), 1911b: 19 (catalog); Fischer 1935: 274 (revision); Blackwelder 1946: 721 (faunal list); Guérin 1953: 99 (faunal list); Papp 1953: 32 (catalog); Uhmann 1957a: 37 (catalog), 1964: 407 (catalog); Monrós 1959: 26 (illustration); Zimsen 1964: 118 (types).

Hispa grossus (Fabricius) . Berge 1844: 87 (noted).

Cistela curvipes Panzer 1798: 25 [type: locality not stated, depository unknown]. Gemminger and Harold 1876: 3605 (synonymy).

Crioceris indica Voet 1806: 37 [type: locality not specified, depository unknown]. Baly 1858: 27 (synonymy).

Alurnus tricolor Olivier 1789: 127 [type: Indies orientales, depository unknown]. Jacobson 1899: 251 (synonymy); Gaedike and Döbler 1971: 361 (types).

Alurnus grossus nigricans Jacobson 1899: 252 [type: locality not specified, depository unknown]. Weise 1911a: 13 (catalog), 1911b: 19 (catalog); Fischer 1935: 274 (revision); Papp 1953: 32 (catalog).

Description. Head, antennae, scutellum, venter (except paler apex of abdominal sternite 5), and legs black; pronotum red with black anterior margin; elytra yellow. Head: vertex finely punctate, medial sulcus absent, not depressed between eyes; front punctate; clypeus punctate, with fringe of setae on apical margin. Antenna: antennomere 1 subglobose, subequal in length to 2; 2 cylindrical; 3 more than 2x length of 1 and 2 combined; 4-5 subequal in length, each 0.5x length of 3; 6-10 cylindrical, decreasing in length; 11 subequal in length to 10, rounded at apex; 1-11 sparsely punctate, each puncture with pale seta. Pronotum: lateral margin sinuate and divergent for basal three-quarters, then sinuate and convergent; anterior angle acute; posterior angle with strong tooth; surface coarsely, densely punctate; broadly depressed basally; glabrous; pronotal length 4-7 mm; pronotal width 5-8 mm. Scutellum: cordate, rounded at apex; punctate. Elytron: lateral margin smooth, slightly expanding apically; lateral and apical margins slightly explanate; exterior apical angle rounded; apex slightly truncate; sutural angle without tooth; humerus prominent rounded; surface densely, finely punctate; without costae; elytral length 17-26 mm; elytral width 12-13 mm. Leg: punctate, each puncture with white seta; tibia constricted near apex, with fringe of setae on inner apical margin. Venter: pro-, meso-, and metasterna punctate, with white seta in each puncture medially, glabrous laterally; abdominal sterna punctate, each puncture with pale seta. Total length: 22-33 mm.

Larval host plant. Unknown.

Distribution. Brazil, Ecuador, French Guiana, Peru, Suriname.

Specimens examined.?: no label ( USNM, 5; BMNH, 11; PSUC, 1; ZIN, 1). Brazil. No further data ( USNM, 1) ; Campinas ( PSUC, 1). Pará: Santarem, Oct. 1985 ( LACM, 1). Ecuador. Pastaza: Puyo ( USNM, 1) ; 700 ft., Rio Palenque, 47 km S. St. Domingo, 26.ii.1976 ( CMNC, 1). French Guiana. No further data ( BMNH, 10; USNM, 1; CMNH, 2; PSUC, 1; ZIN, 1; NMW, 25) ; Mana River ( CMNH, 1) ; Maroni River ( USNM, 1; BPBM, 1) ; Pied Saut, Oyapoi River ( USNM, 1) ; St. Laurent ( MHMB, 1). Peru. Huallaga: Upper Rio Huallaga , 9.x.1929 ( AMNH, 1). Total: 68 .