Plateros plaumanni

Nascimento, Elynton Alves Do & Bocakova, Milada, 2012, Nomenclatural changes and redescriptions in Plateros Bourgeois, 1879 (Coleoptera: Lycidae) from Neotropical region, Zootaxa 3487, pp. 77-84: 80-82

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Plateros plaumanni


Plateros plaumanni  nom. n.

pro Sculptocalleros discithorax  Pic, 1949 nec Ditoneces discithorax Pic, 1926 Sculptocalleros  discithorax Pic, 1949: 5  — syn.n.

Type material. Holotype, male, BRAZIL “Rio Gr. do Sul, coll. Rich.Hicker” without other data ( MNHNAbout MNHN). Other material: male, BRAZIL, “ 7 -xi- 1949, Nova Teutonia, 27 ° 11 ’B 52 ° 23 ’L, 300bis 500m, Fritz Plaumann [leg.]” ( MZSPAbout MZSP).

Diagnosis: P. plaumanni  differs from other Plateros  by presenting dark pronotum almost rectangular with circular yellow spot at the center and by the shape of genitalia.

Redescription: Body with ventral surface dark brown. Head dark brown, eyes small, interocular distance 1.5 x longer than eye diameter. Antennae subserrate, antennomere 4 as long as 5, 1.2 x longer than antennomere 3. Mandibles stout, arcuate, labial palpi short, terminal palpomere securiform, maxillary palpi elongate, palpomere 4 securiform, as long as wide, 2 x longer than palpomere 3. Pronotum almost rectangular, 1.25 larger than long, posterior angles projected laterally, presenting carina at apical ½ followed by a median channel, basal margin slightly bisinuate. Pronotum dark brown with yellow spot at center. Scutellum dark brown with shallow median emargination apically. Elytra dark brown, with 9 costa, primary costae strong, secondary costae hardly visible, with irregular reticulate cells. Prosternum and mesosternum trapezoidal. Legs compressed, dark brown, femur as long as tibia, ½ as long as trochanter. Abdominal sternum 8 with median emargination distally, abdominal sternum 9 elongate, rounded distally, pointed apically. Phallus broad at basal ¼ in lateral view, slightly curved dorsally at apex, broader apically in ventral view, pointed distally with spine-like projection proximally. Phallobase quite asymmetrical, longer than large, with lateral projections pointed at apical ½ ( Fig. 3View FIGURE 1 – 12). Body length: 6.1 mm, humeral width: 1.5 mm.

Distribution: Brazil (Southern region, Santa Catarina and Rio Grande do Sul States).

Etymology: species name after Fritz Plaumann, a great entomologist who lived in Southern Brazil and contributed much to science. Moreover, he collected many individuals of this species.

Remark: Bocakova (2001) synonymized many genera with Plateros  , but she had not found the type of Sculptocalleros in Pic’s collection, and therefore, Sculptocalleros remained valid. Based mainly on male genitalia, monotypic Sculptocalleros Pic, 1949 is now considered as a junior synonym of Plateros Bourgeois, 1879  . Moreover, Sculptocalleros discithorax  Pic, 1949 (now in Plateros  ) became a junior secondary homonym of preoccupied Plateros discithorax (Pic, 1926)  , originally described in Ditoneces Waterhouse, 1879  . Therefore, a new replacement name Plateros plaumanni  nom.n. for Sculptocalleros discithorax  Pic, 1949 is proposed.


Museum National d'Histoire Naturelle


Sao Paulo, Museu de Zoologia da Universidade de Sao Paulo