Publications by George and Nancy van der Poorten

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Books

Field Guide to the Butterflies of Sri Lanka. 2018. van der Poorten, G. & N. van der Poorten. Lepodon Books, Toronto. ISBN: 978-1-77136-605-2.

The Butterfly Fauna of Sri Lanka. 2016. van der Poorten, G. & N. van der Poorten, Lepodon Books, Toronto. ISBN: 978-1-77136-189-7.

Butterfly Conservation Action Plan of Sri Lanka. 2014. G. van der Poorten (ed.). Ministry of Environment and Renewable Energy, Colombo. 101pp.

Articles and reports

The distribution, abundance and flight period of the butterfly fauna of the Northern & Eastern provinces of Sri Lanka. 2016. van der Poorten, G. & N. van der Poorten. Submitted to the Biodiversity Secretariat of the Ministry of Environment, Sri Lanka.

Preliminary Investigation into the Distribution and Abundance of Symphaedra nais and Diospyros melanoxylon in Sri Lanka. 2014. van der Poorten, G., N. van der Poorten & D. Weerakoon. Submitted to the Biodiversity Secretariat of the Ministry of Environment, Sri Lanka.

New and revised descriptions of the immature stages of some butterflies in Sri Lanka and their larval food plants (Lepidoptera: Pieridae). Part 2. Subfamily Pierinae (in part). 2014. van der Poorten, G. & N. van der Poorten. Tijdschrift voor Entomologie 157: 1–25.

New and revised descriptions of the immature stages of some butterflies in Sri Lanka and their larval food plants (Lepidoptera: Pieridae). Part 1: Subfamilies Pierini (in part) and Coliadinae. 2013. van der Poorten G. & N. van der Poorten, Tropical Lepidoptera Research 23(1): 22–31.

New and revised descriptions of the immature stages of some butterflies in Sri Lanka and their larval food plants (Lepidoptera: Lycaenidae). Part 1: Subfamilies Polyommatinae and Theclinae, in part. 2013. van der Poorten, G. and N. van der Poorten. The Journal of Research on the Lepidoptera 46: 25–49.

Cephrenes trichopepla (Lower, 1908): An invasive Australian species, recorded in Sri Lanka for the first time with notes on its biology, life history and distribution (Lepidoptera: Hesperiidae). 2013. van der Poorten, G. & N. van der Poorten. Tijdschrift voor Entomologie 156: 95–101.

New and revised descriptions of the immature stages of some butterflies in Sri Lanka and their larval food plants (Lepidoptera: Nymphalidae). Part 2: Subfamily Satyrinae. 2012. van der Poorten. G & N. van der Poorten. Tropical Lepidoptera Research 22(2): 80–92.

The bionomics of Spindasis greeni Heron, 1896 and a review of the early stages of the genus Spindasis in Sri Lanka (Lepidoptera: Lycaenidae). 2012. van der Poorten, G. & N. van der Poorten. The Journal of Research on the Lepidoptera 45: 119–133.

Catopsilia scylla (Linnaeus, 1763): A new record for Sri Lanka with notes on its biology, life history and distribution (Lepidoptera: Pieridae). 2012. van der Poorten, G. & N. van der Poorten. The Journal of Research on the Lepidoptera 45: 17–23.

New and revised descriptions of the immature stages of some butterflies in Sri Lanka and their larval food plants (Lepidoptera: Papilionidae). 2011. van der Poorten, G. & N. van der Poorten. The Journal of Research on the Lepidoptera 44: 111–127.

New and revised descriptions of the immature stages of some butterflies in Sri Lanka and their larval food plants (Lepidoptera: Nymphalidae). Part 1: Sub-family Danainae. 2011. van der Poorten, G. & N. van der Poorten. The Journal of Research on the Lepidoptera 44: 1–16.

The Plight of the Baronet —A Butterfly at the Edge. 2010. van der Poorten, M & N. van der Poorten. The Island Newspaper, 15th December.

Butterfly Conservation, Ecology and Gardening. 2008. van der Poorten, M & N. van der Poorten. Loris 25 (1–2): 27–31.

Book Chapters

Butterflies. pp. 180–185. 2012. van der Poorten, M. In: Horton Plains: Sri Lanka’s Cloud-Forest National Park. Pethiyagoda, R., (Editor). Wildlife Heritage Trust, Colombo.

The Taxonomy and Conservation Status of the Butterflies of Sri Lanka. 2012. van der Poorten, G. In: The National Red List 2012 of Sri Lanka; Conservation Status of the Fauna and Flora. Weerakoon, D.K. & S. Wijesundara Eds., Ministry of Environment, Colombo. 26–41.

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