Volume L (II)
| Costa, M., Viloria, Á.L., Attal, S., Benmesbah, M., Fratello, S. & Bálint, Zs.: Lepidoptera from the Pantepui. Part VII. A distinctive Lamprospilus species from the Guiana Highlands (Lepidoptera: Lycaenidae: Theclinae). PDF published online: 09.08.2019 | 111–128 |
| Szederjesi, T.: The first earthworm records from Batanta Island, West Papua, Indonesia (Megadrili: Acanthodrilidae, Megascolecidae). PDF published online: 09.12.2019 | 129–136 |
| Bálint, Zs., Katona, G., Kertész, K.: A new species of Penaincisalia (Lepidoptera: Lycaenidae) from Peru. PDF published online: 09.12.2019 | 137–144 |
| Szederjesi, T., Pavlíèek, T. & Csuzdi, Cs.: New earthworm records from several Indian Ocean islands (Clitellata, Megadrili). PDF published online: 09.12.2019 | 145–155 |
| Tóth, B., Katona, G. & Bálint, Zs.: Scopula orientalis (Alphéraky, 1876) (Lepidoptera: Geometridae, Sterrhinae) in the Carpathian Basin. PDF published online: 11.12.2019 | 157–162 |
| Dinka, M. & Berczik, Á.: Hydrobiological bibliography of Lake Fertõ/Neusiedler See – Hanság/Waasen — 1972–2017. PDF published online: 21.12.2019 | 163–188 |