Otiorhynchus

Christoph Germann, 2017, Two new species of Otiorhynchus Germar, 1822 (Tecutinus Reitter, 1912) from south-western Anatolia (Coleoptera, Curculionidae: Entiminae), Journal of Insect Biodiversity 5 (2), pp. 1-11 : 7-10

Key to species of Otiorhynchus , subgenus Tecutinus

Adapted from Germann (2016), distribution see Fig. 5.

1. Apex of penis pointed and elongated tongue-like.........................................................................2

– Apex of penis pointed, truncated or rounded.................................................................................3

2. Disc of pronotum densely punctured, pronotum transverse; interspaces on elytra leather-like, finely punctured, striae shallow. Rostrum short, rectangular, pterygia narrow; antennae thicker; metatibiae in males less deeply incised, margin not carinate (6.8–7.5 mm). Lebanon [Pass between Ainata and Becharré; Mount Sannin above Beyrouth]...................... kindermanni Stierlin

– Disc of pronotum tuberculate, tubercles flat, irregular and intermixed with punctures; rostrum longer than wide; elytra chagrinated; antennae slenderer; metatibiae of males more deeply incised, margin granulate (7.0–9.5 mm). Mount Salbakos [=Karci Dağları]................ catonii Lona

3. Apex of penis pointed...................................................................................................................4

– Apex of penis truncated or rounded...............................................................................................5

4. Habitus robust with broad elytra, strongly tuberculate pronotum and simply pointed apex of penis (8.5–10.3 mm). Crete Island........................................ lefkaoriensis Germann & Colonnelli

– Habitus gracile, elytra elongate oval, disc of pronotum punctured, apex of penis pointed and bispinate (7.7–8.5 mm). Ak Dağları........................................................... charleshuberi Germann

5. Elytra with fine grey hairs............................................................................................................6

– Elytra without fine grey hairs......................................................................................................10

6. Small species (6.2–6.5 mm); vestiture of elytra consisting of evenly distributed dense short grey hairs. Giresun Dağları................................................................................ torulensis Benedikt

– Larger species (> 8.5 mm); vestiture not homogeneous but patchy or intermixed with dark bristles...............................................................................................................................................7

7. Vestiture of elytra with patches of grey hairs without dark bristles; inner sides of protibiae in males scabrous and with tooth in middle (9–10 mm). Eskişehir

province................................................................................................................. escherichi Reitter

– Vestiture with grey hairs and dark bristles; inner sides of protibiae in males without tooth in middle...............................................................................................................................................8

8. Pronotum transverse with shiny tubercles, laterally strongly rounded; rostral dorsum strongly furrowed (size not known). "Persia occidentalis" [probably Dagestan; but with "Persia occidentalis" often the territory of Adjaria, Georgia was meant]............................................................................................................ crassicornis Gyllenhal

– Pronotum less transverse with flattened dull tubercles, laterally less rounded; rostral dorsum flat.....................................................................................................................................................9

9. Rostral dorsum short and well separated from head, rostrum stout, resembling an equilateral triangle; metatibiae in males less deeply incised (8.5–9 mm). Bulgar Maaden [= Bolkar Dağları]......................................................................................... crinitellus K. Daniel & J. Daniel

– Head less separated from rostrum, rostrum slenderer, resembling an acute triangle; metatibiae in males more deeply incised (9–10.5 mm). İskilib........................................ paracrinitellus Braun

10. Striae on elytra with coarse pits................................................................................................11

– Striae without large pits...............................................................................................................13

11. Pits very broad and irregular, overlapping in first two rows and in rows 3 and 4, therefore first and third interspaces not visible (intervals in part zigzag); disc of pronotum densely set with flat tubercles, not punctured; metatibiae of males strongly incised at inner margin before apex; apex of fore tibiae clearly protruding outwards in both sexes (8.3–10.3 mm). Mihalıççık ............................................................................................................................... heinzianus Braun

– Pits on elytra small, arranged in regular rows, first and third interspaces not zigzag; disc of pronotum punctured; apex of fore tibiae straight or weakly protruding outwards.........................12

12. Pronotum narrow; meso- and metatibiae in males only weakly broadened, metatibiae inconspicuously incised (7.5–9.5 mm). "Gebirge Armeniens" [NE Turkey (Artvin), Armenia; doubtful records from central Caucasus]...................................................... cribripennis Hochhuth

– Pronotum broader; meso- and metatibiae in males strongly broadened towards apex, inner sides of metatibiae strongly incised (8.5–10 mm). "Amasia" Amasya, N Turkey ................................................................................................................. pseudocribripennis Braun

13. Elytral striae strongly, pronounced and well visible.................................................................14

– Elytral striae shallow and hardly visible......................................................................................18

14. Disc of pronotum and sides mainly with flattened tubercles, only sparse punctures between them ................................................................................................................................................15

– Disc of pronotum mainly punctuate, small tubercles towards sides of pronotum ........................................................................................................................................................17

15. Elytra subtly sculptured, vestiture consisting of rather dense black hairs; pronotum narrow, laterally less rounded; penis rounded (not truncate) at apex (9–10.5 mm). Sivas Kızıldağ Geçidi........................................................................................................................... riedeli Braun

– Elytra stronger sculptured, vestiture consisting of less dense or scarce black hairs; pronotum broad and laterally strongly rounded; penis truncate at apex.................................................................................................................................................16

16. Antennae short and thick with strongly transverse funicular segments; penis more gracile, narrowed towards apex, apex truncate (7.8–8 mm). İkizdere................... ikisderensis Smreczyński

– Antennae slenderer, funicular segments globular to weakly transverse; penis larger, more robust (7.6–9.1 mm). Geyik Dağı, Alacabel Geçidi (nontypical material)....................... gultekini sp. nov.

17. Antennae slenderer, funicular segments less transverse; metatibiae in males less deeply incised on inner margin before apex; penis more rounded at apex (8.2–8.5 mm). Cesarea [Erciyes Dağı].................................................................................................................. caesareus K. Daniel

– Antennae thicker, funicular segments more transverse; metatibiae in males more deeply incised; penis truncate, almost angular and faintly divergent just before apex (7.1–8 mm). Soğanlı Dağı.......................................................................................................... soganliensis Smreczyński

18. Surface of elytra without chagrination, leather-like with tiny pointed tubercles on outer intervals and declivity....................................................................................................................19

– Elytral surface chagrinated (inconspicuous only in karagolensis ), with tiny tubercles or punctures on interspaces.................................................................................................................22

19. Frons concave; body shorter; pronotum more gracile, much smaller than elytra; protibiae almost straight, only weakly granulated; metatibiae in males deeply incised at inner side before apex (7–9.9 mm). Ilgaz Gecidi................................................................................. fremuthi Braun

– Frons convex; body massive, oval to broad oval; pronotum stronger; metatibiae in males either deeply (tmolosensis) or only moderately incised...........................................................................20

20. Eyes strongly protruding; apex of protibiae only weakly dilated outwards; metatibiae of males deeply incised; elytra at disc flattened, declivity less steep (10.5–11 mm). Tmolos Dağları [=Bozdağ E of Izmir]............................................................................................. tmolosensis Lona

– Eyes less protruding; apex of protibiae strongly protruding outwards ( Arammichnus -like); elytra at disc convex; declivity steeper, nearly vertical..................................................................21

21. Eyes smaller in relation to head; protibiae emarginate at inner side with several tooth-like tubercles along the middle, apex protruding outwards (8–9.5 mm). Sultan Dağları ................................................................................................. gymnopterus K. Daniel & J. Daniel

– Eyes bigger in relation to head; protibiae without tooth-like tubercles at inner side, only weakly granulate (8–9.6 mm). Tarsus [= Mersin]; Çamlıyayla........................................... latifrons Stierlin

22. Bigger species (> 10 mm) with massive body; metatibiae of males broadened but not incised on inner side before apex (10–10.5 mm). Mount Salbakos [= Karci Dağları]... salbakosanus Lona

– Smaller species (<8.5 mm); body less massive..........................................................................23

23. Antennae short and thick; funicular segments 3-7 transverse; microsculpture of elytra less apparent; metatibiae spur-like extended inwards (6.7–8.5 mm). Giresun Dağları..................................................................................................... karagolensis Smreczyński

– Antennae slenderer, only some funicular segments transverse; microsculpture of elytra more apparent; metatibiae not extended inwards apically......................................................................24

24. Funicular segments 4-7 transverse; apex of metatibiae in males moderately incised (6.2–7.8 mm). "Constantinopolis" [Bithynian Olymp; Uludağ near Bursa in NW Turkey] ......................................................................................................................... brevicornis Boheman

– funicle with globular segments, at most segments 6-7 transverse; apex of metatibiae not incised …………………………………………………………………………………………….……....25

25. Funicular segments 6-7 slightly transverse; elytra short oval, stout; apex of metatibiae in males almost straight and, inconspicuously incised; apex of penis weakly rounded, almost straight (6.3–7.2 mm). Gümüşhane; Kostandağı Geçidi ......................................................... staveni Braun

– All funicular segments globular; elytra long-oval; apex of metatibiae spur-like prolonged inwards; apex of penis straight and weakly impressed in middle (7.3–7.9 mm). Bey Dağlari, Antalya .................................................................................................................... marggii sp. nov.

Figures

Figure 5. Map providing an overview of all Tecutinus- species described so far: 1) brevicornis; 2) caesareus; 3) catonii; 4) crassicornis; 5) cribripennis; 6) crinitellus; 7) escherichi; 8) fremuthi; 9) gymnopterus; 10) heinzianus; 11) ikisderensis; 12) karagolensis; 13) kindermanni; 14) latifrons; 15) lefkaoriensis; 16) paracrinitellus; 17) pseudocribripennis; 18) riedeli; 19) salbakosanus; 20) soganliensis; 21) staveni; 22) tmolosensis; 23) torulensis; 24) charleshuberi; 25) marggii sp. nov.; 26) gultekini sp. nov. (map copyright by Google).