By J.D. Holloway
I spent 4 months in New Caledonia in 1971 with the article of creating a quantitative survey of the night-flying macrolepidoptera with light-traps and an overview of the Rhopalocera and microlepidoptera. This fieldwork was once financed by means of a central authority Grant-in-Aid for medical Investigations adminis tered via the Royal Society, and by way of a provide from the Godman Fund. I dedicated an extra 3 weeks to sampling on Norfolk I. , and, with the aid of neighborhood naturalists, Mr. and Mrs. F. JOWETT, used to be capable of produce a close account of the biogeography and ecology of the moth fauna (HOLLOWAY, 1977). This ebook is an account of the result of the recent Caledonian paintings, including experiences of the geology, phytogeography and common zoogeography pre sented as heritage for the Lepidoptera fauna and its geography. past paintings at the macroheterocera, essentially papers via VIETTE (1948- 1971), had recorded now not many greater than 100 species, a truly low overall contemplating the realm of the island relative to that of the Fiji workforce the place the moths have been being studied through Dr. G. S. ROBINSON while the hot Caledonian day trip used to be on the drafting board. The Fijian fauna then promised ponder ably to exceed 300 species. obviously many extra species awaited discovery in New Caledonia.
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Extra info for A Survey of the Lepidoptera, Biogeograhy and Ecology of New Caledonia
HOLLOWAY (1969, 1974a) related patterns in the distribution of butterflies in the Indian area to the drift of India northwards in the Tertiary. He suggested that these patterns were consistent with land contact between peninsular India and Asia having been made in the late Tertiary, resulting in the breakdown of a barrier to floral and faunal exchange between the two. at this barrier might have been a steadily decreasing water gap. More recent literature suggests that this barrier may have been ecological rather than geographical.
1 I 1, \ \ I' " ... ~. I \-1 ,~ 1 J \ I I 1_.. ' ',\ ... I.... "", \ ' \ I " • \ ........ _-. /' J - .. -" ", / Fig. 4. Hypothetical reconstruction of eastern Australasia at -5 my with conventions as in Figure 3. The megashear zone across the north of New Guinea and the shear zone of the Hunter fracture between Fiji and the New Hebrides are illustrated. sea floor spreading centres on the Plateau. The Plateau is bounded on the north by the Vityaz Trench, to the south of which is a chain of small islands and seamounts that includeRotuma.
Interpretation of the relationships of the older Australasian floras must take into account the possibility that differences and resembll\nces between vegetation elements or whole floras are as much due to historical effects of climate as to past geography. On the one hand latitudinal correlations between Australia and a hypothetically more integral Inner Melanesian Arc from New Guinea to New Zealand might arise through polarisation of temperate and tropical elements during a general climatic deterioration or one brought about by a change in overall latitude following movement of tectonic plates.