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Theses and professional publications
Robertson, H.G. & Johnson, P.G. 1979. First record of Greater and
Lesser Flamingos breeding in Botswana. Botswana Notes and Records
11: 115-119. Cooper, J., Robertson, H.G. & Shaughnessy, P.D. 1980.
Waders (Charadrii) and other coastal birds of the Diamond Coast and
the islands off South West Africa. Madoqua 12: 51-57.
Robertson, H.G. 1980a. A comparative study of water relations and
osmoregulation in two species of scorpion. Unpublished Honours
project, University of Cape Town. Robertson, H.G. 1980b.
Pollination of selected Erica species in the Cape Fynbos.
Unpublished Honours project, University of Cape Town.
Robertson, H.G. 1981a. Group foraging and diurnal activity of
Blacknecked Grebes at sea. Ostrich 52: 248-250. Robertson,
H.G. 1981b. Annual summer and winter fluctuations of Palaearctic and
resident waders (Charadrii) at Langebaan Lagoon, South Africa,
1975-1979. Proceedings of the Symposium on the Birds of the Sea
and Shore (Ed. J. Cooper). African Seabird Group, Cape Town.
Robertson, H.G. & Wooller, R.D. 1981. Seasonal decrease in the
clutch size of Hartlaub's Gulls Larus hartlaubii at
Strandfontein in 1978. Cormorant 9: 23-26. Daneel, A.B.C. &
Robertson, H.G. 1982. Two previously undocumented breeding records
of the Greater Flamingo in the Orange Free State. Ostrich 53:
51-52. Robertson, H.G., Nicolson, S.W. & Louw, G.N. 1982.
Osmoregulation and temperature effects on water loss and oxygen
consumption in two species of African scorpion. Comparative
Biochemistry and Physiology 71A: 605-609.
Robertson, H.G. 1985. The ecology of Cactoblastis cactorum
(Berg) (Lepidoptera: Phycitidae) in relation to its effectiveness
as a biological control agent of prickly pear and jointed cactus
in South Africa. Unpublished PhD thesis, Rhodes University,
Grahamstown. Robertson, H.G. 1985. Egg predation by ants as a
partial explanation of the difference in the performance of
Cactoblastis cactorum on cactus weeds in South Africa and Australia.
Proceedings of the VI International Symposium on the Biological
Control of Weeds, 19-25 August 1984, Vancouver, Canada (ed. E.S.
Delfosse), pp. 83-88. Robertson, H.G. 1987. Oviposition site
selection in Cactoblastis cactorum (Lepidoptera): constraints
and compromises. Oecologia 73: 601-608. Robertson, H.G.
1988. Spatial and temporal patterns of predation by ants on eggs of
Cactoblastis cactorum. Ecological Entomology 13:
207-214. Compton, S.G. & Robertson, H.G. 1988. Complex
interactions between mutualisms: ants tending homopterans protect
fig seeds and pollinators. Ecology 69: 1302-1305.
Robertson, H.G. 1989. Seasonal temperature effects on fecundity of
Cactoblastis cactorum (Berg) (Lepidoptera: Pyralidae):
differences between South Africa and Australia. Journal of the
Entomological Society of Southern Africa 52: 71-80. Robertson,
H.G. & Hoffmann, J.H. 1989. Mortality and life-tables of
Cactoblastis cactorum (Berg) (Lepidoptera: Pyralidae) compared
on two host-plant species. Bulletin of Entomological Research
79: 7-17. Robertson, H.G. & Villet, M.H. 1989. Colony foundation
in the ant Carebara vidua: the dispelling of a myth. South
African Journal of Science 85: 121-122. Robertson, H.G. &
Villet, M. 1989. Mating behaviour in three species of myrmicine ants
(Hymenoptera: Formicidae). Journal of Natural History 23:
767-773. Villet, M.H., Crewe, R.M. & Robertson, H.G. 1989. Mating
behaviour and dispersal in Paltothyreus tarsatus Fabr.
(Hymenoptera: Formicidae). Journal of Insect Behavior 2:
413-418. Ware, A.B., Compton, S.G. & Robertson, H.G. 1990.
Gamergate reproduction in the ant Streblognathus aethiopicus
Smith (Hymenoptera: Formicidae: Ponerinae). Insectes Sociaux
37: 189-199. Jones, T.H., Blum, M.S. & Robertson, H.G. 1990. Novel
dialkylpiperidines in the venom of the ant Monomorium delagoense.
Journal of Natural Products 53: 429-435. Robertson, H.G.,
Crewe, R.M. & Zachariades, C. 1990. Unravelling the Camponotus
fulvopilosus species complex (Hymenoptera: Formicidae) in
Southern Africa. In: Social Insects and the Environment -
Proceedings of the 11th International Congress of IUSSI, 1990 (eds
G.K. Veeresh, B. Mallik and C.A. Viraktamath). Oxford and IBH
Publishing Co. Pvt. Ltd., New Delhi, pp. 327-328. Prins, A.J.,
Robertson, H.G. & Prins, A. 1990. Pest ants in urban and
agricultural areas of southern Africa. In: Applied myrmecology: a
world perspective (ed. R.K. Vander Meer), Westview Press,
Boulder, Colorado, pp. 25-33. Compton, S.G. & Robertson, H.G.
1991. Effect of ant-homopteran systems on fig-figwasp interactions.
In: Ant - Plant Interactions (eds C.R. Huxley and D.F.
Cutler). Oxford University Press, Oxford, pp. 120-130. Willis, C.K.,
Skinner, J.D. & Robertson, H.G. 1992. Abundance of ants and termites
in the False Karoo and their importance in the diet of the aardvark
Orycteropus afer. African Journal of Ecology 30: 322-334.
Robertson, H.G. 1995. Sperm transfer in the ant Carebara vidua
F. Smith (Hymenoptera: Formicidae). Insectes Sociaux 42:
411-418. Robertson, H.G. & Zachariades, C. 1997. Revision of the
Camponotus fulvopilosus (De Geer) species-group (Hymenoptera:
Formicidae). African Entomology 5: 1-18. Robertson, H.G.
1997a. (Editor). Insects in African Economy and Environment:
Proceedings of the Joint Congress of the Entomological Society of
Southern Africa (11th Congress) and the African Association of
Insect Scientists (12th Congress), Stellenbosch, 30 June - 4 July
1997. Entomological Society of southern Africa, Pretoria, 255
pages. Robertson, H.G. 1997b. Entomological Organisations and
Institutions in Africa. In: Insects in African Economy and
Environment (Ed. H.G. Robertson). Entomological Society of
southern Africa, Pretoria, pp. 229-255. Fisher, B.L. & Robertson,
H.G. 1999. Silk production by adults of the wood boring ant
Melissotarsus emeryi (Hymenoptera: Formicidae). Insectes
Sociaux 46: 78-83. Robertson, H.G. 1999. Ants (Hymenoptera:
Formicidae) of Mkomazi. In: Mkomazi: the Ecology, Biodiversity
and Conservation of a Tanzanian Savanna (Eds M.J. Coe, N.C.
McWilliam, G.N. Stone and M.J. Packer). Royal Geographical Society
(with The Institute of British Geographers), London, pp. 321-336.
Tshiguvho, T.E., Dean, W.R.J. & Robertson, H.G. 1999. Conservation
value of road verges in the semi-arid Karoo, South Africa: ants
(Hymenoptera: Formicidae) as bio-indicators. Biodiversity and
Conservation 8: 1683-1695. Villet, M.H., McKitterick, L.,
Cook, A. & Robertson, H.G. 1999. Systematic status of
Plectroctena mandibularis Smith and P. conjugata Santschi
(Hymenoptera: Formicidae: Ponerini). African Entomology 7:
277-284. Robertson, H.G. 2000a. Afrotropical ants (Hymenoptera:
Formicidae): taxonomic progress and estimation of species richness.
Journal of Hymenoptera Research 9: 71-84. Robertson, H.G.
2000b. Formicidae (Hymenoptera: Vespoidea). In: Dâures -
Biodiversity of the Brandberg Massif, Namibia (eds A.H. Kirk-Spriggs
& E. Marais). Cimbebasia Memoir 9: 371-382. Garraffo, H.M.,
Spande, T.F., Jain, P., Kaneko, T., Jones, T.H., Blum, M.S., Musthak
Ali, T.M., Snelling, R.R., Isbell, L.A., Robertson, H.G. and Daly,
J.W. 2001. Ammonia chemical ionization tandem spectrometry in
structural determination of alkaloids. II. Tetraponerines from
pseudomyrmecine ants. Rapid Communications in Mass Spectrometry
15: 1409-1415. Ratsirarson, H., Robertson, H.G., Picker, M.D. &
Van Noort, S. 2002. Indigenous forests versus exotic eucalypt and
pine plantations: a comparison of leaf-litter invertebrate
communities. African Entomology 10: 93-99. Parr, C.L.,
Bond, W.J. & Robertson, H.G. 2002. A preliminary study of the effect
of fire on ants (Formicidae) in a South African savanna. African
Entomology 10: 101-111. Fisher, B.L. & Robertson, H.G. 2002.
Comparison and origin of forest and grassland ant assemblages in the
high plateau of Madagascar (Hymenoptera: Formicidae). Biotropica
34: 155-167. Robertson, H.G. 2002a. Comparison of leaf litter ant
communities in woodlands, lowland forests and montane forests of
north-eastern Tanzania. Biodiversity and Conservation 11:
1637-1652. Robertson, H.G. 2002b. Revision of the ant genus
Streblognathus (Hymenoptera: Formicidae: Ponerinae). Zootaxa
97: 1-16. Parr, C.L., Robertson, H.G. & Chown, S.L. 2003.
Apomyrminae and Aenictogitoninae: two new subfamilies of ant
(Hymenoptera: Formicidae) for southern Africa. African Entomology
11: 128-129. Jones, T.H., Zottig, V.E., Robertson, H.G. & Snelling,
R.R. 2003. The venom alkaloids from some African Monomorium
species. Journal of Chemical Ecology 29: 2721-2727. Parr,
C.L., Robertson, H.G., Biggs, H.C. & Chown, S.L. 2004. Response of
African savanna ants to long-term fire regimes. Journal of
Applied Ecology 41: 630–642. van Hamburg, H., Andersen, A.N.,
Meyer, W.J. and Robertson, H.G. 2004. Ant Community Development on
Rehabilitated Ash Dams in the South African Highveld Restoration
Ecology 12(4): 552-558. Netshilaphala, N.M., Milton, S.J. &
Robertson, H.G. 2005. Response of an ant assemblage to mining on the
arid Namaqualand coast, South Africa. African Entomology 13:
162-167. Botes, A., McGeoch, M.A., Robertson, H.G., van Niekerk,
A., Davids, H.P. and Chown, S.L. 2006. Ants, altitude and change in
the northern Cape Floristic Region. Journal of Biogeography
33: 71–90. Reviews, popular articles, broadcasts
and web sites Robertson, H.G. 1990. Book review: Insect
Development Photoperiodic and Temperature Control. South African
Journal of Zoology 25: 89. Robertson, H.G. 1991. Things that
go jump in the night. Musenews 4(11): 1. Reprinted in Slug
8: 16. Robertson, H.G. 1991. Book review: The Ants. South
African Journal of Zoology 26: 89-90. Robertson, H.G. 1992.
Book review: Practical Taxonomic Computing. South African Journal
of Zoology 27: 150. Slingsby, P. (Ed. H.G. Robertson) 1992.
Ants of the Western Cape. Ekko, Kleinmond, 32 pp.
Robertson, H.G. Ants in Agriculture. A series of five talks
broadcast on the early morning farmer's programme. Robertson,
H.G. 1993. Koeberg Revisited. Musenews 7(5): 1. Robertson,
H.G. 1995. Book review: Identification Guide to the Ant Genera of
the World. African Entomology 3: 99. Robertson, H.G. 1995.
Kaokoland then and now. Musenews 9(11): 1-2. Robertson, H.G.
1996. Book review: A New General Catalogue of the Ants of the World.
African Entomology 4: 101. Robertson, H. G. 1997. Meeting
report: Insects in African Economy and Environment. Environmental
Conservation 24: 366-367. Robertson, H.G. 1998. Madagascan
Biodiversity. Musenews 12(3): 1-2. Robertson, H.G. 1999.
Searching for the child within. Musenews 13(2): 1.
Robertson, H.G. 1999. Book review: Invertebrate Surveys for
Conservation. Environmental Conservation 26: 153.
Robertson, H.G. 1999. Book review: Butterfly Conservation.
Environmental Conservation 26: 154-155. Robertson, H.G. 1999.
Taking ants to new heights. Musenews 13(11): 1. Robertson,
H.G. 1999. Book review: Australian Ants: their Biology and
Identification. African Entomology 7: 173-174. Robertson,
H.G. 2002. Subterranean ants: the last frontier. Notes from
Underground, May 2002.
http://www.notesfromunderground.org/methods/subants.html
Robertson, H.G. 1999-2002. Publication of over 1500 web pages on the
site called Biodiversity Explorer |
