1989

• Zettel, H. 1989: Die Gattung Phanerotomella Szépligeti (Hymenoptera: Braconidae, Cheloninae). Linzer biologische Beiträge 21(1): 15-142. Abstract Full article (PDF) Reference page. 

• Zettel, H. 1989a: Zwei neue Phanerotomini aus Nepal (Hymenoptera, Braconidae). Entomofauna 10(32): 509-515. Full article zobodat (PDF). Reference page. 

1990

• Zettel, H. 1990: Eine Revision der Gattungen der Cheloninae (Hymenoptera, Braconidae) mit Beschreibungen neuer Gattungen und Arten. Annalen des Naturhistorischen Museums in Wien (B) 91: 147-196. full article (PDF) Reference page. 

1994

• Zettel, H. 1994: Zwei neue Rhagovelia-Arten aus Mindoro, Philippinen (Heteroptera: Veliidae). Entomofauna 15(19): 225-236. Full articleReference page. 

1996

• Zettel, H. 1996: Revision der philippinischen Arten der Gattung Rhagovelia, 3. Teil (Heteroptera: Veliidae). Entomological Problems 27: 111-140. Reference page. 

2000

• Zettel, H. 2000: Rhagovelia inexpectata sp.nov., a sibling species of R. sumatrensis from Southeast Asia (Heteroptera: Veliidae).. Entomological Problems 31: 175-178. Reference page. 

• Zettel, H. 2000: The Helotrephidae (Heteroptera) of Borneo. Entomological Problems 31: 1-22. Reference page. 

2003

• Zettel, H. 2003: Eine neue Rhagovelia (Heteroptera: Veliidae) mit "phoretischen Männchen" von der Insel Samar, Phillippinen. Linzer biologische Beiträge 35(2): 1141-1146. Full articleReference page. 

2004

• Zettel, H.; Tran, A.D. 2004: Two new species of Rhagovelia (Heteroptera: Veliidae) from Vietnam: first records of the R. papuensis group from south-eastern Asia. Tijdschrift voor Entomologie 147(2): 229-235. DOI: 10.1163/22119434-900000151 . Reference page. 

2006

• Zettel, H. 2006: Eine neue Artengruppe der Gattung Rhagovelia Mayr 1865 aus Borneo (Heteroptera: Veliidae). Entomofauna 27(8): 105-116. Full article. Reference page. 

2008

• Zettel, H.; Gapud, V.P. 2008: Notes on the endemic Philippine genus Orthosaldula (Hemiptera: Heteroptera: Saldidae), with descriptions of two new species. Acta Entomologica Musei Nationalis Pragae 48(2): 319–329. PDF Reference page. 

• Buzzetti, F.M. & Zettel, H. 2008: The largest species of Veliidae (Hemiptera: Heteroptera) in the world: Veloidea aequatoriana sp. n. from Ecuador. Tijdschrift voor Entomologie, 151(2): 187–91. Reference page. 

2009

• Sorger, D.M. & Zettel, H., 2009. Polyrhachis (Myrma) cyaniventris F. Smith, 1858 (Hymenoptera: Formicidae) and a related new ant species from the Philippines. Zootaxa. 2174:27-37. PDF, Abstract & excerpt Reference page. 

2010

• Zettel H. & D.M. Sorger (2010): Three new species of the army ant genus Aenictus Shuckard, 1840 (Hymenoptera: Formicidae: Aenictinae) from Borneo and the Philippines. Zeitschrift der Arbeitsgemeinschaft österreichischer Entomologen 62(2): 115-125. Reference page. 

2011

• Zettel H. & D.M. Sorger (2011): New Myrmoteras ants (Hymenoptera: Formicidae) from the southeastern Philippines. Raffles Bulletin of Zoology 59(1): 61–67. PDF Reference page. 

2012

• Zettel, H. 2012: One new species and one new record of Helotrephes (Insecta: Hemiptera: Heteroptera: Helotrephidae) from Laos. Annalen des Naturhistorischen Museums in Wien (B) 114: 37-41. full article (PDF) Reference page. 

• Zettel, H. 2012a. Neue Veliidae (Hemiptera: Heteroptera) von den Philippinen. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 64: 79-118. Full article (PDF). Reference page. 

• Link, A. & Zettel, H. 2012. A new species of Pseudapocyrtus Heller, 1912 (Coleoptera: Curculionidae) from southern Luzon, The Philippines. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 64: 61–66. Full article (PDF). Reference page. 

2013

• Zettel, H. 2013: A further new blue Polyrhachis ant (Hymenoptera: Formicidae) from the Philippines. Asian myrmecology 5: 5-9. Abstract and full article (PDF) Reference page. 

• Zettel, H.; Bruckner, H. 2013: Four new species of Dilobocondyla (Hymenoptera: Formicidae) from the Philippines. Zeitschrift der Arbeitsgemeinschaft Österreichischer Entomologen 65: 135-150. Full article (PDF) on AntWiki Reference page. 

2014

• Apadodharanan, S., Basu, S. & Zettel, H. 2014. A new species of Onychotrechus Kirkaldy, 1903 (Hemiptera, Heteroptera, Gerridae) from Dooars, West Bengal, India, and a key to males of all species. Deutsche Entomologische Zeitschrift 61(2): 133–139. DOI: 10.3897/dez.62.8154 . Reference page. 

• Zettel, H. 2014: A new species of Hydrometra (Insecta: Hemiptera: Heteroptera: Hydrometridae) from New Guinea. Annalen des Naturhistorischen Museums in Wien (B) 116: 3-19. Reference page. 

2015

• Zettel, H. & Laciny, A. 2015. Contributions to the taxonomy of the ant genus Echinopla Smith, 1857 (Hymenoptera, Formicidae). Deutsche Entomologische Zeitschrift 62(1): 101–121. DOI: 10.3897/dez.62.5093 . Reference page. 

• Zettel, H. & Pangantihon, C.V. 2015: On the identity of the tiger beetle Cicindela philippinensis Mandl, 1956 (Coleoptera: Carabidae: Cicindelinae). Zootaxa 3941(4): 585–588. DOI: 10.11646/zootaxa.3941.4.7 . Preview Full article PDF Reference page. 

2016

• Cianferoni, F., Buzzetti, F.M. & Zettel, H. 2016. The “Italian hebrid”, Hebrus franzi (Wagner, 1957): disentangling a half-century dilemma (Hemiptera: Heteroptera: Gerromorpha). Zootaxa 4132(1): 127–134. DOI: 10.11646/zootaxa.4132.1.11 . Reference page. 

• Laciny, A., Zettel, H. & Druzhinina, I.S. 2016. Workers, soldiers, and gynes – morphometric characterization and description of the female castes of Camponotus singularis (Smith, 1858) (Hymenoptera, Formicidae). Deutsche Entomologische Zeitschrift 63(2): 183–193. DOI: 10.3897/dez.63.9435 . Reference page. 

• Syaukani, S., Thompson, G.J., Zettel, H. & Pribadi, T. 2016. A new species of open-air processional column termite, Hospitalitermes nigriantennalis sp. n. (Termitidae), from Borneo. ZooKeys 554: 27-36. DOI: 10.3897/zookeys.554.6306 . Reference page. 

2018

• Laciny, A., Zettel, H., Kopchinskiy, A., Pretzer, C., Pal, A., Abu Salim, K., Rahimi, M.J., Hoenigsberger, M., Lim, L., Jaitrong, W. & Druzhinina, I.S. 2018. Colobopsis explodens sp. n., model species for studies on “exploding ants” (Hymenoptera, Formicidae), with biological notes and first illustrations of males of the Colobopsis cylindrica group. ZooKeys 751: 1-40. DOI: 10.3897/zookeys.751.22661 . Reference page.