Percussiopalpus gen. n. from Turkey, a free-living relative of cave-dwelling Thaumastocephalus, and revised placement of Thaumastocephalini (Coleoptera: Staphylinidae: Pselaphinae) Author Jałoszyński, Paweł 0000-0003-2973-1803 Museum ofNaturalHistory, UniversityofWrocław, Sienkiewicza 21, 50 - 335 Wrocław, Poland. https: // orcid. org / 0000 - 0003 - 2973 - 1803 Department of Entomology, National Museum, Natural History Museum, Cirkusová 1740, CZ- 193 00 Praha 9 - Horní Počernice, The Czech Republic. peterhlavac @ gmail. com; https: // orcid. org / 0000 - 0001 - 5060 - 0811 Author Hlaváč, Peter 0000-0001-5060-0811 peterhlavac@gmail.com Author Anlaş, Sinan Manisa Celal Bayar University, Alaşehir Vocational School, TR- 45600, Alaşehir, Manisa, Turkey. text Zootaxa 2023 2023-05-01 5277 1 71 90 http://dx.doi.org/10.11646/zootaxa.5277.1.3 journal article 54090 10.11646/zootaxa.5277.1.3 195c7011-1a00-4c5f-a339-dc529aa9e104 1175-5326 7891898 2EBD6E19-89E9-4918-8EE3-3324DF3BBA13
TABLE 1. Major morphological differences between genera of Thaumastocephalini.
ThaumastocephalusPercussiopalpus
frontal sulcuswith diffuse marginswith sharply marked margins
anterior region of frons (= frontal ‘rostrum’)abruptly, step-wise narrowed posteriorlygradually broadening posteriorly
tempora and neck regiongradually confluentabruptly delimited
posterior tentorial pitscloser to submental bulgecloser to neck region
maxillary palpomere 4with concave distal marginwith convex distal margin
pronotumbarrel-shapedcordiform
lateral pronotal foveaelackingpresent
lateral longitudinal pronotal sulcilackingpresent
median longitudinal pronotal sulcuslacking or faintsharply marked
mesoscutellar shieldstrongly elongateabout as long as broad
submedian metaventral fovea just behind mesocoxal restpresentlacking
basal elytral foveaelackingpresent
sutural and discal elytral strialackingpresent
paired basal discal carinae on tergite IVlackingpresent
lateral foveae on tergite IVtwo pairsone pair
submedian foveae on sternite IVlackingpresent