New PDF release: A Survey of the Lepidoptera, Biogeograhy and Ecology of New

By J.D. Holloway

I spent 4 months in New Caledonia in 1971 with the item of constructing a quantitative survey of the night-flying macrolepidoptera with light-traps and an overview of the Rhopalocera and microlepidoptera. This fieldwork used to be financed via a central authority Grant-in-Aid for clinical Investigations adminis­ tered through the Royal Society, and by means of a provide from the Godman Fund. I dedicated another 3 weeks to sampling on Norfolk I. , and, with assistance from neighborhood naturalists, Mr. and Mrs. F. JOWETT, was once capable of produce an in depth account of the biogeography and ecology of the moth fauna (HOLLOWAY, 1977). This e-book is an account of the result of the recent Caledonian paintings, including stories of the geology, phytogeography and normal zoogeography pre­ sented as history for the Lepidoptera fauna and its geography. earlier paintings at the macroheterocera, basically papers through VIETTE (1948- 1971), had recorded no longer many greater than 100 species, a truly low overall contemplating the realm of the island relative to that of the Fiji staff the place the moths have been being studied by means of Dr. G. S. ROBINSON whilst the recent Caledonian day trip used to be on the drawing board. The Fijian fauna then promised reflect on­ ably to exceed 300 species. obviously many extra species awaited discovery in New Caledonia.

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Additional info for A Survey of the Lepidoptera, Biogeograhy and Ecology of New Caledonia

Sample text

The lithology of these islands shows closer association with that of Australia than with the marginal structures of the Sunda Shelf and there are discontinuities in the vicinity of Sumba in several linear features to the west such as gravity anomalies, the earthquake pattern and aspects of submarine morphology. It was suggested that these islands formed a Westralian geosynclinal system that has become deformed and uplifted by interaction with a subduction zone associated with the Inner Banda Arc.

Basalts were discharged in the Palaeocene (Montian) to cover large parts of the western slope of the island, at a time when the opening of the Tasman Sea was ceasing. These basalts are discordantly overlain by greywackes, products of the erosion of complex Eocene fold structures which involved nappe formation on the western side of the island. There was metamorphism in the Late Eocene and the Eocene/Oligocene boundary saw a paroxysm of orogenesis, sediments being folded parallel to the axis of the island.

One might also speculate that they may reflect to some extent the sort of vegetation likely to have developed on the Chesterfield Reefs and on the extensive tongue of reef-clad land that was exposed to the north-west of New Caledonia (Figure 6). These west coast habitats will be seen to support moth species that include a high proportion of Australian elements of probable recent derivation (p. 186). 30 II. THE PHYTOGEOGRAPHY OF NEW CALEDONIA There are dangers in interpreting biogeographic patterns solely in terms of broad events in the geological history of an area though such patterns often show good correlation with geography (HOLLOWAY & JARDINE, 1968).

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