Diutius gallerucoides (Spinola, 1844)

Opitz, Weston, 2014, Taxonomy of the New World Checkered Beetle GeneraAkonesisOpitz, New Genus, AntennosusOpitz, New Genus, CrusbatusOpitz, New Genus, andDiutiusOpitz, New Genus (Coleoptera: Cleridae: Peloniinae), The Coleopterists Bulletin 68 (3), pp. 411-428 : 426-427

Diutius gallerucoides (Spinola, 1844) ( Figs. 35 , 59 , 61 )

Pelonium gallerucoides Spinola, 1844a: 372 . Holotype. ♂. Cayenne ( French Guiana) (MIZT). Corporaal 1950: 281 ( Cregya ); Ekis 1975: 53 ( Cregya ).

Paratypes. None.

Diagnosis. Only in the members of this Diutius species is the elytral disc adorned with reddish brown maculae.

Description. Size: Length 15.0 mm; width 4.5 mm. Form: As in Fig. 61 . Integument: Cranium and pronotum yellow; elytra mostly yellow, with 4 reddish brown maculae; femora yellow; tibiae and tarsi brown; pterothorax yellow; abdomen brown. Head: Eyes wider than frons (25:20); capitular antennomeres slender ( Fig. 35 ). Thorax: Pronotum quadrate (75:75), lateral tubercle not prominent; epipleural fold gradually narrowed to elytral apex, asetiferous punctures absent; 1° setae absent. Abdomen: Aedeagus not available for observation.

Variation. Size: Length 6.0–8.4 mm; width 2.2–3.0 mm.

Natural History. Specimens were collected during April and October, three at 250 m.

Distribution. In addition to the holotype, I examined five specimens from ( Fig. 59 ):

ECUADOR: Napo: Yasuni Research Station , 6°36′W 0°38′S, 19-30-X- 1998, 250 m, W.J. Hanson . GUYANA: Blairmont plantation, H.E. Box . BRAZIL: Rondonia: 62 km SE Ariquemes , 13-25-IV-1992. Specimens are deposited in EMUS, MIZT , and WOPC.

Notes. The species description is based on a homotype.

Figures

Figs. 30–42. Morphological structures. 30) Akonesis vittatis, pronotum; 31) Akonesis pictipennis, pronotum; 32) Diutus pallidus, pronotum; 33) Crusbatus spinosus, pronotum; 34) D. pallidus, antenna; 35) Diutus gallerucoides, antenna; 36) C. spinosus, antenna; 37) D. pallidus, tegmen; 38) D. pallidus, phallus; 39) C. spinosus, spicular fork; 40) C. spinosus, male, pygidium; 41) C. spinosus, tegmen; 42) C. spinosus, phallus.

Fig. 59. Distribution of Diutus gallerucoides, Diutus pallidus, Akonesis pictipennis, and Akonesis vittatis.

Figs. 61–64. Habitus. 61) Diutius gallerucoides; 62) Diutius pallidus; 63) Akonesis vittatis; 64) Akonesis pictipennis.