Issue 26 (2019): Faunistic studies on Odonata of the Republic of Vanuatu (Insecta: Odonata) (Milen Marinov, Seth Bybee, Crile Doscher & Donna Kalfatakmolis). 46 Seiten, 60 Farbfotos, 1 farbige Karte, 5 Tabellen Issue 27 (2019): Previously unpublished Odonata records from Sarawak, Borneo, part IV: Bintulu Division including the Planted Forest Project and Similajau National Park (Rory A. Dow, Stephen G. Butler, Graham T. Reels, Philip O.M. Steinhoff,Rory A. Dow, Stephen G. Butler, Graham T. Reels, Philip O.M. Steinhoff, Frank R. Stokvis & Joanes Unggang). 66 Seiten, 13 Farbfotos, 4 farbige Karten Issue 28 (2019): Contribution to the Odonata fauna of the Society Islands, French Polynesia (Insecta: Odonata) (Milen Marinov, Frederic A. Jacq, Thibault Ramage & Crile Doscher). 37 Seiten, ca. 70 Farbfotos, 2 farbige Karten Issue 29 (2019): Odonata survey on some of the outer islands of Belitung Regency, Belitung island, Indonesia (Akbar Alfarisyi). 34 Seiten, 26 Farbfotos, 12 farbige Karten, Checklisteweiterlesen