In memoriam of Professor Pavel Štys (1933 - 2018): biography, memories, bibliography and list of described taxa Author Kment, Petr Department of Entomology, National Museum, Cirkusová 1740, CZ- 193 00 Praha - Horní Počernice, Czech Republic; e-mail: sigara @ post. cz Author Baňař, Petr Moravian Museum, Department of Entomology, Hviezdoslavova 29 a, CZ- 627 00, Brno, Czech Republic; e-mail: PetrBanar @ seznam. cz Author Bílý, Svatopluk Czech University of Life Sciences, Faculty of Forestry and Wood Sciences, Department of Game Management and Wildfile Biology, Kamýcká 1176, CZ- 165 21 Praha Author Pluot-Sigwalt, Dominique Museum national d’Histoire naturelle, Département Adaptation du Vivant, UMR 7179 MECADEV (mécanisme adaptatif et évolution), 57 rue Cuvi- er, CP 50 (Entomologie), F- 75231 Paris, France; e-mail: dps @ mnhn. fr Author Polhemus, Dan A. Department of Natural Sciences, Bishop Museum 1525 Bernice Street, Honolulu, HI 96817 USA; e-mail: bugman @ bishopmuseum. org Author Schuh, Randall T. - Suchdol, Czech Republic; e-mail: sv. bily @ buprestidae. cz text Acta Entomologica Musei Nationalis Pragae 2019 Acta. Ent. Mus. Natl. Pragae 2019-12-01 59 2 351 379 http://dx.doi.org/10.2478/aemnp-2019-0028 journal article 8117 10.2478/aemnp-2019-0028 10606ef4-92b0-4fd4-bb91-56962637ec44 1804-6487 4489136 1EF6B82D-11E2-4A98-8B98-BDD9BDD3131C Family Helotrephidae Mixotrephes Papáček, Štys & Tonner, 1989: 107 . Type species: Mixotrephes hoberlandti Papáček, Štys & Tonner, 1989 . Gender: masculine (original designation). Current status: Valid taxon (see POLHEMUS 1995 ; PAPÁČEK & ZETTEL 2003 , 2004 , 2006, 2011). Mixotrephes hoberlandti Papáček, Štys & Tonner, 1989: 111 . Holotype :♂ (brachypterous), Afghanistan : ʻE. Afghanistan , Nuristan , “Bashgultal” (… = Valley of Bashgul River)ʼ (NMPC, see KMENT et al. 2015: 438 ). Valid taxon: Mixotrephes ( Mixotrephes ) hoberlandti Papáček, Štys & Tonner,1989 (see POLHEMUS 1995 ; PAPÁČEK & ZETTEL 2003 , 2004 ,2006). Trephotomas Papáček, Štys & Tonner, 1988: 123 . Type species: Trephotomas compactus Papáček, Štys & Tonner, 1988 . Gender: masculine (original designation). Current status: Valid taxon (see POLHEMUS 1995 , PAPÁČEK & ZETTEL 2004 ). Trephotomas compactus Papáček, Štys & Tonner, 1988: 124 . Holotype : ♂, Vietnam : ʻVinh Phu Prov., Tam Dao, stream Suoi Bac (basin of the Red River)ʼ (IECA →?). Current status: Valid taxon (see POLHEMUS 1995 , PAPÁČEK & ZETTEL 2004 ). Note: This holotype is not included in T. Soldánʼs collection in IECA, containing only mayflies and a few butterflies (A. Bezděk, pers. comm.). Also M. Papáček (pers. comm.) did not locate it in his collection. The current depository of the holotype is unknown. Trephotomasinae Papáček, Štys & Tonner, 1988: 122 . Type genus: Trephotomas Papáček, Štys & Tonner, 1988 . Current status: Valid taxon (see POLHEMUS 1995 , PAPÁČEK & ZETTEL 2004 ).