Entomology

Download Biological Control of Insect Pests Using Egg Parasitoids by S. Sithanantham, Chandish R. Ballal, S.K. Jalali, N PDF

By S. Sithanantham, Chandish R. Ballal, S.K. Jalali, N Bakthavatsalam

The subject matter of the ebook is very appropriate to the present emphasis on surroundings conservation, with specialize in local biodiversity conservation in agro-ecosystems. the present impetus being given to natural farming and export orientated agri-hortculture within the state demands entry to suitable medical wisdom base one of the stakeholders. study on organic pest regulate is greater than a century previous in India. Egg parasitoids, that are mostly tiny wasps, led by way of the relations Trichogrammatidae, are the main extensively applied ordinary enemies for organic keep an eye on globally. Over thirty nations are utilizing those bioagents to guard over 10 million hectares of agricultural and forestry plants from many vital insect pests. The e-book contains 18 chapters, that are prepared in continuum, beginning with uncomplicated points of information and finishing of their usage ambitions. The chapters conceal widely 4 parts: bio-diversity and normal prevalence of egg parasitoids, behaviour and variation of egg parasitoids, mass construction and secure use of egg parasitoids and utilisation of egg parasitoids in several crop ecosystems. the various chapters cater to the desires of discipline-wise replace at the present R&D scenario-like insect taxonomy, biotechnology, mass-production and qc of the objective organisms - egg-parasitoids, that are worthy for laboratory scientists/researchers. There also are chapters dedicated to wisdom prestige and scope for usage of egg parasitoids in several aim vegetation, which cater to specifications of box entomologists and extensionists to be used of their initiatives of guiding farmers/local courses. The publication is diversified in method, process, constitution and content material and guarantees holistic assurance of the subject. The chapters are written by means of lively and skilled staff in several vegetation and points and co-edited by means of 4 very skilled specialists who've over 3 a long time R&D event within the topic. all of the authors have uniformly focussed on entire literature examine and significant identity of information gaps for destiny R&D, hence the e-book is novel in outlook, up to date in content material and finished in assurance of issues. This publication should be necessary for supplementary studying for MSc Agriculture and PhD Agriculture scholars, along with MSc/PhD learn scholars in Zoology/Environmental Biology, who're specialising in Entomology. it is going to additionally function a truly necessary reference ebook for researchers around the globe, although concentration can be there on Indian paintings. It addresses the specified details wishes of scholars and school, along with practitioners and extensionists within the Australasia and Africa areas and hence no longer restricted to the R&D wisdom generated in constructed countries.

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G. , Pyralidae), Colombia) and T. g. , Lymantriidae), California, USA). Out of the other 16 females, 9 died before they could be tested and 7 were arrhenotokous. A word on the identity of ‘T. perkinsi’ would be worthwhile since Pinto and Stouthamer (1994) suggested that it could be T. exiguum Pinto and Platner. Since the first author was the one who conducted the crosses at Indian Station of CIBC, Bangalore, it was not the latter species (supplied to us as ‘T. fasciatum’ Perkins) since Nagarkatti and Fazaluddin (1973) conducted crosses between the above ‘T.

Additionally, as shown by Pinto (1997), in Trichogramma, there is a pair of sensillum on the vein in between submarginal and marginal veins, while there is a single sensillum on the same in Trichogrammatoidea (Fig. 1e). Hindwing The above author has also shown the presence of two broken rows of setae, one on either side of the median complete row of setae on the hindwing of Trichogramma, while there is only one, median complete, row of setae in Trichogrammatoidea. Legs Hung (1990) observed scale-like structures on the tibia.

In the crosses between T. japonicum and T. W. of Bangalore at the base of Western Ghats), marked reproductive isolation was observed. 75/parental 22 H. Nagaraja and B. Ramesh female) progeny. However, T. japonicum, obtained from Philippines and maintained in the laboratory, when crossed with T. 3 % female progeny in both directions. In the crosses between T. ) and T. 8 %), while the ones between T. agriae and T. rojasi and Nagarkatti, which resemble each other, did not produce any hybrids, and also the progeny per female was very low.

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