AUTOCROSSCLUBGEFFEN.NL Library > Ecology > Download PDF by Paul Dangerfield, Andrew Austin, Graeme Baker: Biology, Ecology and Systematics of Australian Scelio: Wasp

Download PDF by Paul Dangerfield, Andrew Austin, Graeme Baker: Biology, Ecology and Systematics of Australian Scelio: Wasp

By Paul Dangerfield, Andrew Austin, Graeme Baker

ISBN-10: 0643067035

ISBN-13: 9780643067035

Presents a whole taxonomic remedy and evaluate of those wasp parasitoids in a world context.

Show description

Read or Download Biology, Ecology and Systematics of Australian Scelio: Wasp Parasitoids of Locust and Grasshopper Eggs PDF

Similar ecology books

Download PDF by Timothy D. Schowalter: Insect Ecology. An Ecosystem Approach

Dr. Timothy Schowalter has succeeded in making a distinct, up to date therapy of insect ecology. This revised and increased textual content seems to be at how bugs adapt to environmental stipulations whereas protecting the power to considerably adjust their setting. It covers quite a number themes- from person bugs that reply to neighborhood alterations within the setting and have an effect on source distribution, to whole insect groups that experience the ability to change environment stipulations.

Download e-book for iPad: Ecological Census Techniques: A Handbook by William J. Sutherland

I used this publication for an undergrad examine venture in tropical forests in addition to for a path in censusing options. I beloved how it used to be written and the way it defined why each one technique was once used.
I did locate that it did not move into nice intensity for anybody software and did not offer a lot within the means of statistical analyses, however it was once very transparent concerning the venture of those initiatives.
For an advent to varied tools it really is first-class, yet i feel it's going to be supplemented with a extra complex and analytic textual content.

New PDF release: Conceptual Issues in Ecology

During this number of essays, a few of the best ecologists and philosophers talk about the rules of ecology and evolutionary biology. whereas huge­ scale philosophical convictions and attitudes usually direct the theorist's line of concrete motion in info assortment and in concept info, the founda­ tional convictions ordinarily stay tacit, and are seldom argued for.

Extra resources for Biology, Ecology and Systematics of Australian Scelio: Wasp Parasitoids of Locust and Grasshopper Eggs

Example text

15. 12. Bands of Australian plague locust Chortoicetes terminifera (Walker) radiating out from egg beds (arrowed) at Goolgowi in the Riverina district ofNSW, September 1979 (photo: Mr Don Kennedy). 13. Sampling by Raymond Pigott to determine parasitism in a C. terminifera egg bed located in a red clay pan in the Hillston district of NSW, September 1987 (photo: Ms Maris Rea). 14. 'Ambleside', Oberon, NSW, a typical improved pasture, habitat of wingless grasshopper, Phaulacridiura oittatum (Sjostedt) (photo: Mr Jack Salmon).

7). Bomar et ai. (1993) found parasitism of rangeland grasshoppers by S. opacuswas significantly greater in plots treated with Nosema iocustae Canning, where a 50% reduction in host populations had occurred compared with untreated plots. Elevated parasitism by S. parvicomis was associated with a mermithid nematode-induced decline in host abundance in the southern tablelands of New South Wales (Baker et ai. 1995). Biology, Ecology and Systematics of Australian Scelio Fig. 6. Egg beds with ovipositing Chortoicetes terminifera (Walker) in the Moree district, April 1979 being examined by the late Mr Jack Kleinhans for S.

Terminiftra (Clark 1972; Symmons 1984). The only other factors commonly associated with a population decline are emigration (Farrow 1977) and parasitoids other than Scelio (Baker & Pigott 1993). These are also the most likely factors associated with an increase in Scelio abundance. For example, during prolonged occupation of an area by C. terminiftra, emigration typically occurs each generation and mortality from other natural enemies increases simultaneously (Baker & Pigott 1995; Pigott et aL 1995).

Download PDF sample

Biology, Ecology and Systematics of Australian Scelio: Wasp Parasitoids of Locust and Grasshopper Eggs by Paul Dangerfield, Andrew Austin, Graeme Baker


by Donald
4.1

Rated 4.75 of 5 – based on 49 votes