Baeocera, Erichson, 1845

Löbl, Ivan, 2022, Supplement to the knowledge of the Scaphidiinae (Coleoptera: Staphylinidae) of the Moluccas, Revue suisse de Zoologie 129 (1), pp. 103-118 : 111

Key to the Moluccan species of Baeocera

1 Metanepisterna distinct, separated clearly from metaventrite by a suture. Lateral parts of metaventrite very finely punctate ................................................................................................................................................................... 2

- Metanepisterna indistinct, fused with metaventrite. Lateral parts of metaventrite coarsely punctate .................... 4

2 Body about 1.6-1.7 mm long. Ventrite I with basal wrinkles ........................................................... B. agostii Löbl

- Body 1.05-1.40 mm long. Ventrite I lacking basal wrinkles .................................................................................. 3

3 Body 1.05 mm long. Basal striae of elytra broadly separated from lateral striae ........................... Baeocera sp. A

- Body about 1.40 mm long. Basal striae of elytra joined with lateral striae ..................................... Baeocera sp. B

4 Pronotum and hypomera conspicuous punctate, with punctures well visible at magnification 20 times ............... 5

- Pronotum and hypomera with inconspicuous punctation hardly visible at magnification 40 times, or impunctate...................................................................................................................................................................................7

5 Elytra with sutural striae shortened, starting well posterior of level of point of scutellum, basal striae absent .... 6

- Elytra with sutural striae entire and extended along basal margins to form basal striae ... B. punctiventris sp. nov.

6 Mesepimera impunctate. Body length about 1.3-1.4 mm ............................................................. B. notata sp. nov.

- Mesepimera punctate. Body length about 1.2 mm ................................................................ B. punctigera sp. nov.

7 Elytra with sutural striae shortened, starting well posterior of level of scutellar tip .............................................. 9

- Elytra with sutural striae entire, starting at elytral bases .......................................................................................11

9 Body length 0.90 mm. Apical fourth of parameres widened (dorsal view) ................................. B. kaibesara Löbl

- Body length about 1.20-1.35 mm. Apical fourth of parameres not widened ....................................................... 10

10 Tip of median lobe bent, tip of parameres not bent dorsally ............................................................. B. vicina Löbl

- Tip of median lobe not bent, tip of parameres bent dorsally ...................................................... B. incurva sp. nov.

11 Elytra with basal striae entire, joined to lateral striae ........................................................... B. paucivestis sp. nov.

- Elytra with basal striae broadly separated from lateral striae ............................................................................... 12

12 Aedeagus with tip of median lobe not bent ventrally............................................................................................13

- Aedeagus with tip of median lobe bent ventrally ................................................................................................. 14

13 Body about 1.20-1.35 mm long. Apices of parameres widened (lateral view) .................................. B. vafra Löbl

- Body about 1.0- 1.10 mm long. Apices of parameres not widened (lateral view) ........................... B. variata Löbl

14 Antennomere XI about 1.3 times as long as antennomere X. Aedeagus with flagellar guide-sclerite not widened apically .......................................................................................................................................... B. yamdena Löbl

- Antennomere XI about 1.1 times as long as antennomere X. Aedeagus with flagellar guide-sclerite widened apically ..................................................................................................................................... B. humicola sp. nov.