Thyreocephalus paraferox Janák, 2010

Janák, Jiří & Bordoni, Arnaldo, 2015, Revision of the genus Thyreocephalus and description of Afrus gen. nov. of Africa south of the Sahara (Coleoptera: Staphylinidae: Staphylininae), Zootaxa 4038 (1), pp. 1-94 : 70

Thyreocephalus paraferox Janák, 2010

(Figs. 168, 169, 172, 178–182)

Thyreocephalus paraferox Janák, 2010:142 .

Type locality. Angola (without additional data).

Type material examined. Holotype ♂: ANGOLA: “Kvg”, “ Angola, Mission sc. Suisse 1932–1933 ”, “Emmerich Reitter vend. VIII. 1939 ”, “ex coll. Scheerpeltz” ( NHMW). Paratypes: 1 ♂: “ Angola: Chingufo, 25.XI.1972 ”, “along path”, “Coll. D. H. Kistner & R. J. Swift, No. 2640” ( FMNH); 1 ♀: “H”, “ Angola ”, “ ferox Har. var.”, “R.I.Sc.N.B. 17 479”, “Coll. et det. A. Fauvel”( IRSNB).

Redescription. Body length 18.2 mm; length from anterior margin of head to posterior margin of elytra: 10– 10.5 mm. Reddish brown black with darker head, elytra dark red, scutellum black, abdomen reddish (Fig. 168). Body narrow, shiny. Head and pronotum with more or less evident micro-punctation. Head and pronotum and related punctation as a in Figs. 169, 178; labrum as in Fig. 182 . Elytra sub-rectangular, as long as pronotum, slightly dilated posteriad and there as wide as head, with slightly rounded sides and marked humeral angles. Surface with fine and superficial punctation, arranged in three series, one near suture, one median and one lateral. Abdomen with transverse micro-striation and evident and not sparse punctation, arranged in some series on each segment.

Male. Tergite 10 and sternite 9 of male genital segment as in Figs. 180, 181 . Aedeagus ( Fig. 182 ) ovoid, elongate, very large, 3.5 mm long, with sub-triangular median lobe; parameres symmetrical; inner sac narrow and long, folded on itself several times, covered with little scales.

Differential diagnosis. Thyreocephalus paraferox differs from T. guineensis in unicolored elytra and in different shape of aedeagus with apically pointed median lobe.

Distribution. The species is hirterto known only from Angola ( Fig.172 ).

Figures

FIGURE 172. Distribution of species in Thyreocephalus guineensis group (● = T. guineensis (Bernhauer), ▲ = T. paraferox Janák).

FIGURES 178 – 182. Thyreocephalus paraferox Janák; 178, head and pronotum; 179, labrum; 180, male tergite 10; 181, male sternite 9; 182, aedeagus.