Citation: Selnekovič D, Kodada J (2019) Taxonomic revision of Mordellistena hirtipes species complex with new distribution records (Insecta, Coleoptera, Mordellidae). ZooKeys 854: 89-118. https://doi. Abstract A taxonomic revision of species related to Mordellistena hirtipes Schilsky, 1895 is presented. Five species among the M. hirtipes complex are recognised: M. hirtipes Schilsky, 1895 , M. pseudohirtipes Ermisch, 1965, M. purpurascens Costa, 1854, M. balearica Compte, 1985, and M. irritans

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... anciscolo, 1991 Descriptions, differential diagnoses, an identification key, and new distributional records are provided. Principal Component Analysis is performed for visualisation of differentiation between taxa. The following taxonomic acts are proposed: Mordellistena podlussanyi Czető, 1990 and M. aegea Franciscolo, 1949 are proposed as junior subjective synonyms of M. hirtipes Schilsky, 1895; M. fageli Ermisch, 1969 and M. pseudohirtipes krotosensis Czető, 1990 are proposed as junior subjective synonyms of M. pseudohirtipes pseudohirtipes Ermisch, 1965; M. geronensis Ermisch, 1977 and M. istrica Ermisch, 1977 are proposed as junior subjective synonyms of M. purpurascens Costa, 1854. A peer-reviewed open-access journal values are followed by data in parentheses: arithmetic mean ± standard deviation, n = number of measured specimens. Total length (TL) was measured from the anterior margin of pronotum to the apices of elytra; elytral length (EL) was measured from the apex of scutellar shield to the apices of the elytra; elytral width (EW) was measured at the widest point of elytra. Digital photographs were taken using Canon EOS 5D mark II camera attached to Zeiss Axio Zoom.V16 stereomicroscope. Image stacks were produced manually, combined using Zerene Stacker software and edited in Adobe Photoshop CC. Terminology used in morphological descriptions follows Lawrence and Ślipiński (2010) and is supplemented by terminology used by Lu et al. (1997) for the genitalia. Specimen data are given in the following format: number of specimens and sex, depository: exact data from labels in quotation marks; slash indicates separate labels; author's remarks are given in square brackets. Principal Component Analysis (PCA) was conducted in PAST 3.12 software (Hammer et al. 2001) , based on variance-covariance matrix of 12 morphometric characters: HL, HW, PL, PW, EL, EW, PTiL, MsTiL, MtTiL, RPrL, BRPr, and LPrL. Measurements were taken from 59 male specimens (including holotypes / lectotypes) assigned to eight taxa (M. hirtipes Schilsky, 1895, M. podlussanyi Czető, 1990 , M. aegea Franciscolo, 1949, M. pseudohirtipes pseudohirtipes Ermisch, 1965, M. pseudohirtipes krotosensis Czető, 1990, M. fageli Ermisch, 1969, M. geronensis Ermisch, 1977, and M. istrica Ermisch, 1977. Lectotype of M. purpurascens was not measured because of its bad condition. Plot created in PAST 3.12 was subsequently edited in Adobe Illustrator CS6. All nomenclatorial acts follow regulations of ICZN (1999 ). Overall 149 specimens from following depositories were examined: CSB collection of Dávid Selnekovič, Abbreviations of measured characters: BLPr basal part of left paramere length BRPr basal part of right paramere length EL length of elytra EW width of elytra (combined) HL length of head HW width of head LabL length of labrum LabW width of labrum LPrL length of left paramere MsTiL length of mesotibiae MsTrL length of mesotarsi MtTiL length of metatibiae