Scaphobaeocera kraepelini ( Pic, 1933 )

Löbl, Ivan, 2015, On the Scaphidiinae (Coleoptera: Staphylinidae) of the Lesser Sunda Islands, Revue suisse de Zoologie 122 (1), pp. 75-120 : 117

Scaphobaeocera kraepelini ( Pic, 1933)

Figs 116-117

Toxidium kraepelini Pic, 1933: 72 .

Lectotype: MNHN; ♂; by present designation, labelled: Buitenzorg , Java K. Kraepelin leg. 24.II.-12.III.1904 ded. 8. VI.1904 (printed) / T. Kraepelini desire (handwritten by Pic) / Scaphobaeocera kraepelini (Pic) det. Löbl 1977 / Lectotype (red, printed) / Lectotype Toxidium kraepelini Pic det. Löbl, 2014.

Redescription: Length 1.05 mm, width 0.62 mm, dorsoventral diameter 0.64 mm. Head and body light reddish-brown, mesoventrite and metaventrite slightly darkened. Abdomen, femora and tibiae slightly lighter, tarsi and antennae yellowish. Thorax and elytra lacking obvious microsculpture, not iridescent. Pronotal and elytral punctation similar, very fine, hardly visible at 100x magnification. Length/width ratio of antennomeres as follows: VIII 20/6: IX 28/11: X 30/12: XI 42/14 (antennomeres III to VII missing). Minute point of scutellum exposed. Elytra with sutural striae starting at margin of pronotal lobe, parasutural striae absent. Hypomera lacking striae. Middle part of metaventrite convex, lacking impression or groove, entirely densely and distinctly punctate, bearing short pubescence. Lateral parts of metaventrite lacking microsculpture, very finely punctate, with sparse, short pubescence. Submesocoxal areas hardly 0.02 mm long, about as fourth of interval to metacoxae. Submesocoxal lines parallel, with coarse, elongate marginal punctures. Metanepisternum flat, large, about 0.07 mm wide, slightly narrowed apically, strongly narrowed anteriad, with deep, convex suture. Tibiae straight. Abdominal sternite 1 with striagulate microsculpture, and coarse, elongate basal punctures, remaining punctation very fine.

Male: Protarsomeres hardly widened. Aedeagus (Figs 116-117) 0.25 mm long. Median lobe gradually narrowed, with apical process short, hardly inflexed, very narrow at tip in lateral view. Articular process of median lobe indistinct. Parameres irregularly bent and strongly narrowed toward apices. Internal sac with narrow flagellum forming four complete loops.

Distribution: Indonesia: Java.

Comments: M. Pic usually failed to mention numbers of specimens he examined, nor to designate holotypes. This is also true for Toxidium kraepelini as for the other taxa described in the same paper ( Pic, 1933). However, Pic stated that “cotypes” of three species, including of Toxidium kraepelini , are in his collection, actually in MNHN, while other specimens belong to the collection of the Zoological Museum, Hamburg. According to Horn et al. (1990), the latter collection was destroyed in 1943. Thus, the specimen of Toxidium kraepelini housed in MNHN is the sole syntype actually preserved and is here designated as lectotype. Its characters and label data fit the Pic’s description.

The species was transferred to Scaphobaeocera in Löbl, 1984: 82, but not redescribed.