Premnobius neoadjunctus (Schedl) Atkinson & Petrov & Flechtmann, 2018

Atkinson, Thomas H., Petrov, Alexander V. & Flechtmann, Carlos A. H., 2018, New records and combinations in Neotropical Premnobius Eichhoff (Coleoptera: Curculionidae: Scolytinae: Ipini) with an illustrated key to New World species, Insecta Mundi 658, pp. 1-11 : 3

Premnobius neoadjunctus (Schedl) new combination

( Fig. 4 )

Xyleborus neoadjunctus Schedl 1967:13 .

Coptoborus neoadjunctus (Schedl) Wood and Bright 1992: 663 . Combination.

Gnathotrupes neoadjunctus (Schedl) Wood 2007: 670 . Combination.

The holotype of Premnobius neoajunctus was examined by both authors. This is the largest of the Neotropical Premnobius treated here. It is more robust and the pronotum is less elongate with respect to the elytra (50%). Strial punctures and punctures on the basal portion of the declivity are coarser than those of the other species. The vestiture associated with the declivity is very long and dense.

Material examined. Holotype ( NMW): BRAZIL: Santa Catarina: Nova Teutonia, VIII-1966, 300– 500 m, F. Plaumann (female); Amazonas: INPA – Adolpho Ducke Reserve , terra firme ombrophilous forest, 60°12′40″W 2°35′45″S, ethanol-baited FIT, 27-I-1987, R.L.S. Abreu ( MEFEIS, 1)

Notes. Schedl (1967) described the female of this species in Xyleborus Eichhoff, 1864 . Later Wood (2007) transferred this species from Xyleborus to Gnathotrupes . In his description of G. neoadjunctus he mistakenly treated the female as a male. The holotype was examined by Atkinson and Petrov.

Figures

Figure 4. Premnobius neoadjunctus (Schedl), female holotype. A) Dorsal view. B) Lateral view. C) Frontal view. D) Declivity. Photos by T.H. Atkinson.