Hostname: page-component-78c5997874-xbtfd Total loading time: 0 Render date: 2024-11-13T13:37:56.319Z Has data issue: false hasContentIssue false

The colonisation of Anak Krakatau: interactions between wild sugar cane, Saccharum spontaneum, and the antlion, Myrmeleon frontalis

Published online by Cambridge University Press:  10 July 2009

Bryan Turner*
Affiliation:
Division of Life Sciences, King's College London, Campden Hill Road, Kensington, London, W8 7AH, UK

Abstract

The volcanic island of Anak Krakatau emerged from the sea in 1930. The antlion Myrmeleon frontalis has only become established on Anak Krakatau within the last five years, despite having been present on the other Krakatau Islands for at least 50 years.

The appearance of the antlions on Anak Krakatau seems to have coincided with the construction of a shelter hut in 1986 which provides a suitable under-floor habitat of dry dusty soil for the larvae to construct their pits. From the hut site they have extended into sub-optimal locations around the bases of clumps of wild sugarcane, Saccharum spontaneum, on the adjacent lower slopes of the outer cone ash fields.

The soil around the Saccharum chimps is variable. Fine deposits are suitable for antlion larvae, more gravelly soils are not. The antlion larvae inhabiting the Saccharum clumps are disturbed by rain which destroys their pits.

These two habitats, the hut and Saccharum sites, are the only places on the island that are occupied by the antlion larvae. They have quite different micro-climates so that the two populations are out of synchrony with each other.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1992

Access options

Get access to the full version of this content by using one of the access options below. (Log in options will check for institutional or personal access. Content may require purchase if you do not have access.)

References

LITERATURE CITED

Bush, M. B. & Whittaker, R. J. 1991. Krakatau: colonisation patterns and hierarchies. Journal of Biogeography 18:341356.CrossRefGoogle Scholar
Dammerman, K 1948. The fauna of Krakatau 1883–1933. Verhandelingen der Koninklijke nederlandse Akademie Wetenschappen Afdeling Natuurkunde (tweede sectie) 44:1594.Google Scholar
Ebsen-Petersen, P. 1928. New and little-known Neuroptera from the Dutch East Indies. Treubia 10:225230.Google Scholar
New, T. R. & Sudarman, H. K. 1988. Neuroptera (Insecta) of the Krakatau Islands, Indonesia. Philosophical Transactions of the Royal Society oj London Series B 322:413426.Google Scholar
Simkin, T. & Fiske, R. S. 1983. Krakatau 1883. The volcanic eruption and its effects. Smithsonian Institution Press, Washington.Google Scholar
Suzuki, E. 1984., Ecesic. pattern of Saccharum spontaneum L. on Anak Krakatau island, Indonesia. Japanese Journal of Ecology 34:383387.Google Scholar
Thornton, I. W. B. & Rosengren, N. J. 1988. Zoological Expeditions to the Krakatau Islands, 1984 and 1985: General introduction. Philosophical Transactions of the Royal Society of London Series B322:273316.Google Scholar
Tsukaguchi, S. & Yukama, J. 1988. Neuroptera collected from the Krakatau Islands. Kontyû 56:481490.Google Scholar
Whittaker, R. J., Bush, M. B. & Richards, K. 1989. Plant recolonisation and vegetation succession on the Krakatau islands, Indonesia. Ecological Monographs 59(2): 59123.CrossRefGoogle Scholar