Download e-book for iPad: Evolutionary Strategies of Parasitic Insects and Mites by Peter W. Price (auth.), Peter W. Price (eds.)

By Peter W. Price (auth.), Peter W. Price (eds.)

ISBN-10: 1461587328

ISBN-13: 9781461587323

ISBN-10: 1461587344

ISBN-13: 9781461587347

This quantity includes the invited lectures offered in a symposium entitled "Evolutionary suggestions of parasitic bugs and mites" on the nationwide assembly of the Entomological Society of the US in Minneapolis, Minnesota, 2-5 December, 1974. The rationale used to be to collect biologists who've labored on arthropods which are both plant or animal parasites with a view to foster attention of normal features of the parasitic lifestyle. There looks a deficiency of ecological and evolutionary suggestions in relation to parasitism, not like the burgeoning literature on predation, and it seemed that an amalgamation of stories on plant and animal parasites will help improvement of a few generalities. considering the fact that parasities are way more a number of than predators on this planet fauna, or in any specific group, emphasis on their research is justified. I freely admit that para­ sitoids were usefully considered as predators via ecologists, and lots of thoughts on predation were derived from their research. additionally, in whichever classification one locations the parasitoids, that's the one that includes the main species. despite the fact that, from an evolu­ tionary perspective they exhibit many features that needs to be considered as these of a parasite. particularly, they're small, hugely particular to their host, hugely coevolved with it, consequently many species can coexist, and their adaptive radiation has produced nearly all of the species variety obvious on the earth today.

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Additional resources for Evolutionary Strategies of Parasitic Insects and Mites

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Parasitenkd. 33:235-245. Lewis, W. J. 1970. Study of species and instars of larval HeZiothis parasitized by MiaropZitis aroaeipes. J. Econ. Entomol. 63: 363-365. Lewis, W. , and J. R. Brazzel. 1966. Biological relationships between CardioahiZes nigriaeps and the HeZiothis complex. J. Econ. Entomol. 59:820-823. Lewis, W. , and R. L. Jones. 1971. Substance that stimulates host-seeking by MiaropZitis aroaeipes (Hymenoptera: Braconidae), a parasite of HeZiothis species. Ann. Entomol. Amer. 64:471-473.

C. nigriceps will not attack the tobacco hornworm, Manduca sexta Johannson, which occurs along with H. virescens on tobacco. As shown in Table 4, C. nigriceps is not stimulated by secretions (frass or feeding damage) of the tobacco hornworm, cotton leaf perforator or yellow-striped armyworm and these larvae are not attacked when placed in a petri dish with female C. nigriceps. searching stimulant identified from H. virescens showing that such a material may serve as a factor determining host specificity (Table 5).

1973 Hendry et al. 1973 Jones et al. Jones et al. 1971 Ref. Parasitoids for which the host-seeking stimulants (kairomones) have been identified. Parasitoid Table 2. ' ~ """" BIOCHEMICAL COEVOLUTION BETWEEN PARASITOIDS AND THEIR HOSTS 23 plant and/or host would serve to bring the parasitoid into a hostcontaining area while a contact chemical, a chemical of low volatility or a chemical only perceived at a high concentration would identify those areas which once contained or presently contains potential hosts.

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Evolutionary Strategies of Parasitic Insects and Mites by Peter W. Price (auth.), Peter W. Price (eds.)

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