Odocnemis dasypa ( Seidlitz, 1896 )

Nabozhenko, Maxim & Keskin, Bekir, 2016, Revision of the genus Odocnemis Allard, 1876 (Coleoptera: Tenebrionidae: Helopini) from Turkey, the Caucasus and Iran with observations on feeding habits, Zootaxa 4202 (1), pp. 1-97: 50-53

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Odocnemis dasypa ( Seidlitz, 1896 )


Odocnemis dasypa ( Seidlitz, 1896)  

Figs. 26 View FIGURE 26. O , 27 View FIGURE 27. O , 46H–J, 49

dasypus Seidlitz, 1896: 725, 752 ( Helops   ( Odocnemis   ), in key, description); Gebien 1911: 540 ( Helops   ( Odocnemis   ), in catalogue); Reitter 1922: 133 ( Cylindronotus   ( Odocnemis   ), in key); Winkler 1928 –1929: 1018 ( Cylindronotus   ( Odocnemis   ), in catalogue); Kaszab 1940: 6–7 ( Cylindronotus   , faunistic record); Gebien 1943: 427(806) ( Cylindronotus   ( Odocnemis   ), in catalogue); Ferrer & Soldati 1999: 65 ( Cylindronotus   ( Odocnemis   ), faunistic record); Tezcan et al. 2004: 175 ( Cylindronotus   ( Odocnemis   ), faunistic records); Nabozhenko 2008: 37 ( Odocnemis   , in catalogue); Nabozhenko & Löbl 2008: 244 ( Cylindronotus   ( Odocnemis   ), in catalogue).

Type material (studied). Lectotype, ♂ is designated here, with labels: “Amasia 1888 Korb” (printed), blue square, “Syntypus”, “DEI—Müncheberg Col—02801”; paralectotype (♀) with labels: grey square, “Amasia Stdgr.” (handwritten), “751” (handwritten), blue square, “Syntypus”, “DEI—Müncheberg Col—02800”. Material is deposited in DEI.

Other studied material. Turkey, Ankara Province, Kızılcahamam District , 40°28′97″N 32°46′698″E, 1635 m, 21.v.2009, leg. M.V. and S.V. Nabozhenko, B. Keskin, 7♂♂, 1♀ ( ZIN), 7♂♂, 3♀♀ (dry material) and 13♂♂, 11♀♀ (in ethanol) ( ZDEU)   ; Turkey, Eskişehir Province, Mihallıççık District , 39°54′106″ N 31°25′ 893″E, 1626 m, 22.v.2009, leg. M.V. and S.V. Nabozhenko, B. Keskin, 6♂♂, 3♀♀ ( ZIN), 8♂♂, 4♀♀ (dry material) and 2♂♂, 2♀♀ (in ethanol) ( ZDEU)   ; Turkey, Karabük Province, Safranbolu District , 41°20′400″ N 32°42′ 699″E, 1020 m, 30.v.2009, leg. M.V. and S.V. Nabozhenko, B. Keskin, 2♂♂, 1♀ (dry material) and 1♀ (in ethanol) ( ZDEU)   ; Turkey, Kastamonu Province, Ilgaz District , 41°13′328″ N 32°26′ 175″E, 795 m, 31.v.2009, leg. M.V. and S.V. Nabozhenko, B. Keskin, 7♂♂, 9♀♀ ( ZIN), 10♂♂, 6♀♀ (dry material) and 6♂♂, 6♀♀ (in ethanol) ( ZDEU)   ; Turkey, Sinop Province, Boyabat District , 41°25′191″ N 34°43′ 450″E, 938 m, 1.vi.2009, leg. M.V. and S.V. Nabozhenko, B. Keskin, 3♂♂, 1♀ (dry material) and 1♂, 2♀♀ (in ethanol) ( ZDEU)   ; Turkey, Amasya Province, Ormanözü District , 40°45′467″ N 35°50′ 826″E, 1198 m, 3.vi.2009, leg. M.V. and S.V. Nabozhenko, B. Keskin, 2♂♂, 11♀♀ (dry material) and 5♂♂, 8♀♀ (in ethanol) ( ZDEU), 2♂♂, 1♀ (CN)   ; Turkey, Amasya Province, 11 km SE Amasya, Saraycik , 40°37′N 35°57′E, 950 m, 31.v–2.vi.2009, leg. I.V. Shokhin, 4♂♂, 3♀♀ (CN) GoogleMaps   ; Turkey, Çorum Province, Boğazkale, Hattuşa , 1090 m, 40°01′47.2″N 34°37′26.7″E, 12.iv.2014, leg. M.V. and S.V. Nabozhenko, B. Keskin, 1♂, 1♀ (CN), 2♂♂ ( ZDEU) GoogleMaps   ; Turkey, Çorum Province, above Hattuşa, Çampınar , 1500 m, 39°57′47″N 34°37′04″E, on Pinus nigra   , 12.iv.2014, leg. M.V. and S.V. Nabozhenko, B. Keskin, 1♂, 1♀ (CN), 4 specimens ( ZDEU) GoogleMaps   ; Turkey, Sivas / Tokat Provinces, Çamlıbeili Geçid , 1630 m, 39°57′33.66″N 36°31′33.92″E, on Quercus   sp., Pinus nigra   , 16.iv.2014, leg. M.V. Nabozhenko and B. Keskin, 2♂♂, 1♀ (CN, ZIN), 4 specimens ( ZDEU) GoogleMaps   ; Turkey, Yozgat Province, pass between Sorgun and Aydıncık, 40°04′10.4″N 35°15′25.8″E, 1540 m, on Quercus cerris   , 20.iv.2015, leg. M.V. and S.V. Nabozhenko, B. Keskin, I. Chigray, 2♂♂. GoogleMaps  

Redescription, male. Body length 7.1–10.3 mm, body width 2.6–3.7 mm. Body slender, shining, black (rarely brown in very small specimens), legs and antennae dark-brown (rarely light brown in small specimens). Head widest at level of eyes. Eyes large, convex. Ratio of head width at eyes to distance between eyes: 1.6. Genae strongly rounded only in basal half. Lateral margin of head between gena and clypeus without emargination or with very weak emargination. Punctation of head moderately coarse, dense (diameter of punctures 2 × as wide as distance between punctures), punctures round, merged near eyes. Antennae moderately long (reaching 1/4 of elytral length), with 4 apical antennomeres extending beyond base of pronotum, 1.25 × as short as elytra. Pronotum weakly cordiform, transverse (1.15–1.2 × as wide as long), widest before middle, 1.5 × as wide as head. Lateral margins weakly rounded, sinuate in base. Anterior margin straight or widely rounded; base weakly bisinuate. Anterior angles obtuse, narrowly rounded on apex; posterior angles rectangular or weakly obtuse, distinct on apex. All margins narrowly beaded. Disc moderately convex, narrowly flattened near posterior angles. Punctation of disc the same as on head laterally and sparser in middle (diameter of punctures subequal to distance between punctures). Wings as long as elytra; imago not flying. Elytra subparallel, visibly elongated (1.8 × as long as wide), widest at middle, 1.3 × as wide and 2.7 × as long as pronotum, 1.9 × as wide as head. Strial punctures merged in entire deep furrows. Elytral intervals weakly convex, with sparse, distinct punctation and weak smooth tubercles on apex. Epipleural carinae completely visible dorsally; epipleuron not reaching sutural angles. Eighth intervals strongly convex apically, connected with edge of elytra (very rarely indistinct furrow visible between elytral margin and 8th interval). Epipleural carinae completely visible dorsally; epipleuron not reaching elytral apex. Ventral side bare. Abdominal ventrites also bare, with fine dense punctation. Ventrite 1 without hair brush; ventrite 5 without depression, completely beaded.

Legs moderately slender. Apical half of femora smooth on inner side. Pro- and mesotibiae curved, hatchetshaped, pubescent with very dense long hairs on inner side. Protibiae with some lines of teeth on inner side; metatibiae straight, without teeth; metatibia straight, without granules and teeth. Trochanters and inner basal side of femora with dense brush of yellow hairs.

Redescription, female. Body length 7–13 mm, body width 3.1–5 mm. Body more robust. Pronotum more transverse (1.3 × as wide as long). Antennae shorter (reaching 1/5 of elytral length), with 3 apical antennomeres extending beyond base of pronotum. Anal ventrite with transverse bracket-shaped weak depression. Only pro- and metatrochanters with hair brush; mesotrochanters with only one long hair.

Bionomics. The species is widespread in oak forests, and often feeds on lichens on Quercus   ssp., Juglans   , fruit trees, and is active from about 19:00 to 23:00.


Russian Academy of Sciences, Zoological Institute, Zoological Museum


Zoology Department, Ege University