Key to the leptodirine leiodid genera of the phyletic series of “ Leonhardella ”

(modified after Guéorguiev 1976) (Fig. 1)

1. Body of bathyscioid form, oval or ovoid, wide and short ................................................................ 2

– Body of elliptical or pholeuonoid form ............................................................................................ 6

2. Mesosternal carina absent (Fig. 1A). Cavernicolous, Mt Čvrsnica, southwestern Bosnia and Herzegovina .............................................................................................. Augustia Zariquiey, 1927

– Mesosternal carina present (Fig. 1B) ................................................................................................ 3

3. Antennae short, not reaching middle of body ................................................................................... 4

– Antennae much longer, reaching middle of body ............................................................................. 5

4. Pubescence fine and recumbent, except in both lateral exterior border of elytra and apical elytral half, where long hairs occur. Antennae very short, barely exceeding pronotal base. Longer species (TL 2.5 mm). Mesosternal carina rounded. Basal lamina of tegmen of aedeagus without tooth. Cavernicolous, region of Kuči, vicinity of the city of Podgorica, eastern Montenegro ..................... ................................................................................................................ Weiratheria Zariquiey, 1927

– Pubescence entirely normal and recumbent. Antennae somewhat longer, but not reaching middle of body. Shorter species (TL 1.85 mm). Mesosternal carina triangular. Basal lamina of tegmen of aedeagus with a pronounced tooth basally. Cavernicolous, vicinity of the town of Karystos, island of Euboea, southern Greece .......................................................................... Henrotiella Perreau, 1999

5. Pubescence short and recumbent. Anterior border of mesosternal carina without concavity (Fig. 1C). Protarsi weakly dilated in males. Shorter species (TL 1.3–3.5 mm). Cavernicolous and endogean, central, eastern and southern Bosnia and Herzegovina, southwestern and western Serbia and eastern Montenegro ...................................................... Proleonhardella Jeannel, 1910

– Pubescence long and erect. Anterior border of mesosternal carina with a deep concavity (Fig. 1D). Protarsi not dilated in males. Longer species (TL 4.0– 5.5 mm). Cavernicolous, western, southwestern and eastern Montenegro, southern Bosnia and Herzegovina and southern Croatia ........................... .................................................................................................................. Blattochaeta Reitter, 1910

6. Body of elliptical form (Fig. 1E). Pronotum regularly or almost regularly arcuate, slightly narrower than elytra or as wide as elytra ......................................................................................................... 7

– Body of pholeuonoid form (Fig. 1F). Pronotum campanuliform or strongly sinuated backwards, clearly narrower than elytra .............................................................................................................11

7. Body shorter (TL 1.8–2.0 mm). Antennae almost reaching middle of body. Elytra very attenuated apically, with sparse pubescence. Ventral border of mesosternal carina triangular and deeply grooved. Endogean and cavernicolous, southern Croatia and western Bosnia and Herzegovina ..................... .................................................................................................................. Anisoscapha Müller, 1917

– Body longer (TL 2.5–5.2 mm). Antennae reaching middle of body. Elytra regularly arcuate apically, with dense pubescence. Ventral border of mesosternal carina not grooved ..................................... 8

8. Body shorter (TL 2.5–3.0 mm). Mesosternal carina not atrophied. Protarsi dilated in males (Fig. 1G) ........................................................................................................................................... 9

– Body longer (TL 3.8–5.2 mm). Mesosternal carina atrophied posteriorly. Protarsi not dilated in males (Fig. 1H) ............................................................................................................................... 10

9. Body very elongate and narrower. Pubescence long and erect. Median lobe more elongate, thin. Basal bulb small, with a short rounded basal projection (Fig. 1I). Paramerae distally widened. Cavernicolous, southern and southeastern Bosnia and Herzegovina and western Montenegro ......... .................................................................................................................. Anillocharis Reitter, 1903

– Body less elongate and wider. Pubescence short and recumbent. Median lobe less elongate, wide. Basal bulb elongate, with a long sub-triangular basal projection (Fig. 1J). Paramerae distally narrow. Endogean and cavernicolous, Mts Bobija and Povlen, western Serbia .............................................. ............................................................................................. Bozidaria Ćurčić & Pavićević gen. nov.

10. Body shorter (TL 3.8–4.6 mm). Pronotum as wide as elytra. Lateral pronotal margins regularly arcuate. Anterior border of mesosternal carina with no concavity. Paramerae with three setae. Endogean, central and southern Bosnia and Herzegovina .................... Pholeuodromus Breit, 1913

– Body longer (TL 5.0– 5.2 mm). Pronotum slightly narrower than elytra. Lateral pronotal margins weakly sinuate in basal third. Anterior border of mesosternal carina with a deep concavity. Paramerae with four setae. Cavernicolous, southeastern Bosnia and Herzegovina and northern Montenegro ... ................................................................................................................ Blattodromus Reitter, 1904

11. Antennomere VIII subglobular (Fig. 1K). Elytral punctuation strong and deep. Pubescence long, usually double, with bristle-like setae. Cavernicolous and endogean, western Serbia, southern, southeastern, central, western and eastern Bosnia and Herzegovina and northwestern Montenegro ......................................................................................................... Pholeuonopsis Apfelbeck, 1901

– Antennomere VIII elongate (Fig. 1L). Elytral punctuation fine and shallow. Pubescence short, with no bristle-like setae ......................................................................................................................... 12

12. Body shorter (TL 2.0 mm). Pronotum elongate, very narrow basally. Mesosternal carina low. Paramerae with two setae (Fig. 1M). Cavernicolous, vicinity of the town of Ključ, western Bosnia and Herzegovina ................................................................................. Deelemaniella Perreau, 2002

– Body longer (TL 3.2–4.5 mm). Pronotum as long as wide or transverse, wider basally. Mesosternal carina high or atrophied. Paramerae with three setae (Fig. 1N) ..................................................... 13

13. Mesosternal carina high. Protarsi somewhat dilated in males. Tibiae with no external spur. Cavernicolous, northwestern, western and northern Montenegro and southeastern and southern Bosnia and Herzegovina ......................................................................... Leonhardella Reitter, 1903

– Mesosternal carina atrophied. Protarsi not dilated in males. Tibiae with external spur. Cavernicolous, Mt Durmitor, northern Montenegro ................................. Tartariella Nonveiller & Pavićević, 1999