On The Subgenus Eurysunius Reitter Of Turkey Iv. A New Species From Southwestern Anatolia With A Key To Species (Coleoptera: Staphylinidae, Paederinae, Astenus) Author Anlaş, Sinan text Acta Zoologica Academiae Scientiarum Hungaricae 2017 2017-03-03 63 1 45 51 http://dx.doi.org/10.17109/azh.63.1.45.2017 journal article 10.17109/AZH.63.1.45.2017 2064-2474 5734593 9742CC5A-0373-45FC-B639-90C210325317 Astenus (Eurysunius) goeki sp. n. ( Figs 1–6 ) Typematerial – Holotype : TURKEY : m “TR – Antalyaprovince, Finike, Alacadağ, 1810 m , 36°26’12”N , 30°02’22”E , 20.VIII.2015 , leg. Yağmur & Örgel / Holotypus m Astenus ( Eurysunius ) goeki sp. n. det. S. Anlaş 2016 ” ( AZMM ). Paratypes : TURKEY : 1 f, same data asholotype ( AZMM ); 2 m , 1 f, Antalyaprovince , Finike , Alacadağ , 1620 m , 36°26’10”N , 30°02’25”E , 19.III.2016 , leg. Anlaş & Yağmur. Etymology – ThespecificepithethonorsProf. Dr. AliGök, Isparta , aspecialiston Chrysomelidae , whohascarriedoutimportantentomologicalresearchesinTurkey. Description – HabitusasinFigure 1 . Body 4.5–4.7 mmlong. Coloration: headreddish brown, pronotumandelytrareddish, withtheposteriorareaslightlylighter; abdomen blackishbrownwiththenarrowposteriormarginsofthetergitesandtheapexsomewhat paler, legsandantennaereddish. Headtransverse, 1.22 timesaswideaslong ( Figs 1–2 ); dorsalsurfaceconvex, with verydense, averagesize, granulosebutrathershallowpunctures; intersticesreducedto narrowridges; pubescenceshortandreddishyellow. Eyesrelativelysmall, indorsalview distinctlyshorterthanpostocularregion. Antennaemoderatelyslender, 1.1 mmlong, an- tennomereIIIapproximately 2.2 timesaslongaswide; antennomeresV–Xoblong ( Fig. 1 ). Pronotumtransverse, approximately 1.20 timesaswideaslong ( Figs 1–2 ); slightly widerthanhead; widestatanteriorangles, narrowedposteriorly; anteriorandposterior angleseachwithalongsetaeoflittlemorethanhalfthelengthofthelateralmarginofthe pronotum; posteriormarginconvex; dorsalsurfacewithpronouncedimpressions; microsculpturebarelynoticeable; punctationsimilartothatofhead, butdenser, notgranulose, surfacesomewhatmoreshinythanthatofhead; pubescenceofsimilarlengthasthatof head, butlessfineandmoreconspicuous. Elytradistinctlytransverseandshort ( Figs 1–2 ), about 1.70 timesaswideaslong andapproximately 0.70 timesaslongaspronotum; microsculptureabsent; punctation denseanddistinctlygranulose, intersticesonaverageapproximatelyaswideasdiameter ofpunctures; pubescencereddishyellow, moredistinctthanthatofheadandpronotum; posteriormarginofeachelytronwith 5–6 longblacksetae. Hindwingstotallyreduced. Figs 1–6. Details of A stenus ( Eurysunius ) goeki sp. n. : 1 = habitus, 2 = forebody, 3 = male sternite VII, 4 = male sternite VIII, 5 = aedeagus, lateral view, 6 = aedeagus, ventral view. Scale bars: 0.5 mm for Figs (1–2) and 0.2 mm for Figs 3–6 Abdomenapproximatelyaswideascombinedwidthofelytra ( Fig. 1 ), widestatsegmentV, segmentsIII–VItransverse, tergitesIII–Vslightlymorethantwiceaswideaslong; punctationverydenseandveryfine; intersticeswithdistinctfinemicrosculpture; pubescencebrown; posteriormarginoftergiteVIIwithpalisadefringe. m – sterniteVIIinposteriormedianareaslightlydepressedandwithsomemodified darkandshortsetae, posteriormarginweaklyconcave ( Fig. 3 ); sterniteVIIIdeeplyand acutelyincisedposteriorly, pubescenceunmodified ( Fig. 4 ); aedeagusapproximately 0.65 mmlongandasinFigures 5–6 . Comparativenotes – Thespeciesisdistinguishedfromallitsconsubgeners by the male sexual characters, especially by the ventral process of the aedeagus, whichisofdifferentshape, particularlyinlateralview. Inaddition, thenewspeciesdiffersfromallspeciesinthewesternAnatoliabyadifferent coloration (seekeytotheTurkish Eurysunius speciesbelow). Distributionandbionomics – Thenewspecieswascollectedfromthe Alacadağ, insouthwestofAntalyaprovince, ingrasslandataltitudesof 1620 and 1810 m . They were found in the nests of Tetramorium sp. , which supports pastobservationssuggestingthatthissubgenusisassociatedwiththeseants.