Acylophorus grandis Bernhauer
Creators: name: Lott, Derek A.
Publisher: name: Zenodo
Year: 2010
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Acylophorus
Acylophorus grandis

description: Acylophorus grandis Bernhauer
(Figs 24, 73, 100, 134)
Acylophorus grandis Bernhauer, 1929: 124; Scheerpeltz, 1933: 1466; Herman, 2001: 3031.
Redescription. Length 9.5–10.5mm. Body black. Legs, antennae and palpi dark brown. Head somewhat large (pronotum 1.6x wider than pronotum) more or less as wide as long, temples rounded, with pigmented area of head extending in front of antennal insertion (Fig. 24). Micro-punctures very sparse. Short pubescence behind eyes. Three pairs of interocular setae. A line of five postocular setae visible from above on each side. Maxillary palpi with two terminal segments pubescent, terminal segment very elongate, slightly asymmetric, longer than penultimate segment, which is also elongate (Fig. 73). First segment of antenna as long as next five (Fig. 100). Segments I to III elongate, X transverse.
Pronotum almost as long as broad (1.03x wider than long) with rounded sides and widest in basal half. Shining with no micro-punctures. One pair of dorsal and one pair of lateral setae. Marginal setae very long and more numerous than in A. orientalis. Elytra transverse (1.75x wider than long) with long pubescence, punctures normal, not asperate, less dense than A. orientalis. Apical fringe of bristles shorter than hairs on rest of elytra. Hind margins more diagonal than in other species, so forming a deeper “V”. Abdominal tergites also with long pubescence, with slightly asperate punctures much sparser on apical half of tergites than on basal half. Apical fringe of bristles on each tergite of equal length.
Male sternite IX with apex entire. Aedeagus with paramere bilobed, each lobe short and expanded medially, base lipped (Fig. 134). Medial lobe slightly longer than paramere, somewhat flattened with truncate apex.
Type material. Bernhauer described the species from specimens collected by Gérard at Niemba – Kalembe in 1918. Two specimens from the type series have been located and one of these is here designated as the lectotype in order to fix the identity of the species. Lectotype 3: “ TYPE / MUSÉE DU CONGO; MANYEMA 1918 Niemba – Kalembe; Dr. Gérard / R. DÉT. O 879 / Acylophorus grandis Bernh. Typ. / LECTOTYPE Acylophorus grandis Bernhauer 3 det. DA Lott ” (MRAC). Paralectotype Ƥ: “ MUSÉE DU CONGO / MANYEMA 1918 Niemba - Kalembe / Dr. Gérard / grandis Brh. Typ / Acylophorus grandis Brh. Typus./ Chicago NHMus M. Bernhauer Collection / PARALECTOTYPE Acylophorus grandis Bernhauer Ƥ det. DA Lott” (FMNH).
Further material examined. R.D. CONGO: Haut-Uelé: Watsa, L. Burgeon, 1922, 13 (MRAC).
Distribution and bionomics. Known from two localities in the Democratic Republic of Congo (Fig. 147). There are no ecological data.
Comparative notes. Instantly recognisable by the large size, long setae, quadrate pronotum, simple punctures and the distinctive aedeagus.
description: Published as part of Lott, Derek A., 2010, The species of Acylophorus Nordmann (Coleoptera: Staphylinidae: Staphylininae) in continental sub-Saharan Africa, pp. 1-51 in Zootaxa 2402 on pages 31-32, DOI: 10.5281/zenodo.275907