Chitona species

Švihla, Vladimír, 2006, Revision of Chitona species (Coleoptera: Oedemeridae) from the eastern Mediterranean, Acta Entomologica Musei Nationalis Pragae 46, pp. 107-121 : 120

Key to the Chitona species of eastern Mediterranean

1 Prothorax entirely saffron yellow to orange ( Fig. 36 ). Last abdominal segment of male and male terminalia as in Figs. 9-14 . Azerbaijan: Naxçivan. ...... C. ganglbaueri Reitter, 1889

– Prothorax dark, at most with sienna spots posteriorly ( Figs. 33-35, 37-38 ). .................. 2

2 Parameres narrow preapically ( Fig. 1 ). Female pygidium only slightly exceeding last sternite ( Fig. 6 ). ..................................................................................................................... 3

– Parameres widened preapically (Figs. 15, 22, 28). Female pygidium strongly exceeding last sternite (Figs. 21, 25). ............................................................................................... 4

3 Tibiae, tarsi and sometimes also bases of femora terra-cotta, elytral pubescence longer and denser such that elytra appear grey, sutural pubescence less dense, suture less pointed up ( Figs. 33-34 ). Russia: Dagestan, Azerbaijan, NW Iran, SW Turkmenistan. ...................... ................................................................................. C. fucata fucata ( Faldermann, 1837)

– Legs entirely sooty, elytral pubescence shorter and sparser such that elytra appear indigo to slate blue, sutural pubescence denser, suture more pointed up ( Fig. 35 ). Armenia, Azerbaijan: Naxçivan, NE Turkey. ................................... C. fucata tristis ( Faldermann, 1837)

4 Surface of pronotum more roughly and deeply punctate, almost rugulose-lacunose near anterior margin of pronotum; $: preapical part of paramere not emarginate dorsally in lateral view (Fig. 16), projections of urite VIII only very slightly dilated preapically in lateral view (Fig. 19). Macedonia, S Bulgaria, Greece: C Macedonia, Thessaly, Naxos I. ....................................................................................................... C. macedonica sp. nov.

– Surface of pronotum more finely and less deeply punctate, not rugulose-lacunose near anterior margin of pronotum; J: preapical part of paramere emarginate dorsally in lateral view ( Figs. 22, 28 ), projections of urite VIII strongly dilated preapically in lateral view ( Figs. 27, 31 ). .................................................................................................................. 5

5 J: dilated parts of projections of urite VIII longer ( Fig. 27 ), apex of paramere rounded in ventral view and less dilated apically in lateral view as in Figs. 22-23 . Eastern part of C Greece, Crete, N and C Turkey. .............................................. C. cretica Fairmaire, 1863

– J: dilated parts of projections of urite VIII shorter ( Fig. 31 ), apex of paramere roundly emarginate before apex in ventral view and more dilated apically in lateral view as in Figs. 30-31 . SW Turkey. ............................................................. C. incana (W. Schmidt, 1846)

Figures

Figs. 33-38. 33 – Chitona fucata fucata (Faldermann, 1837), male. 34 – ditto, female, variability. 35 – C. fucata tristis (Faldermann, 1837), male. 36 – C. ganglbaueri Reitter, 1889, male. 37 – C. macedonica sp. nov., male. 38 – ditto, female, variability.

Figs. 9-14. Chitona ganglbaueri Reitter, 1889. 9 – parameres, ventral view; 10 – ditto, lateral view; 11 – aedeagus, lateral view; 12 – projections of urite VIII, ventral view; 13 – ditto, lateral view; 14 – last abdominal segment of male, ventral view. Scale a – Figs. 9-11, 14; b – Figs. 12-13.

Figs. 1-7. Chitona fucata (Faldermann, 1837). 1 – tegmen, ventral view; 2 – paramere, lateral view; 3 – aedeagus, lateral view; 4 – projections of urite VIII, ventral view; 5 – ditto, lateral view; 6 – last abdominal segment of female, ventral view (variability indicated by dotted line); 7 – ditto of male. Scale a – Figs. 1-3, 6-7; b – Figs. 4-5.

Figs. 22-31. 22-27. Chitona cretica Fairmaire, 1863. 22 – parameres, ventral view; 23 – ditto, lateral view; 24 – aedeagus, lateral view; 25 – last abdominal segment of female, ventral view (variability indicated by dotted line); 26 – projections of urite VIII, ventral view; 27 – ditto, lateral view. 28-31. C. incana (W. Schmidt, 1846). 28 – paramere, ventral view; 29 – ditto, lateral view; 30 – projections of urite VIII, ventral view; 31 – ditto, lateral view. Scale a – Figs. 22-24, 28-31; b – Fig. 25.