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Wednesday, April 22, 2020 | History

3 edition of Laboratory experiments on oviposition responses of the desert locust found in the catalog.

Laboratory experiments on oviposition responses of the desert locust

Maud J. Norris

Laboratory experiments on oviposition responses of the desert locust

Schistocerca gregaria (Forsk.)

by Maud J. Norris

  • 68 Want to read
  • 17 Currently reading

Published by Ministry of Overseas Development, Anti-Locust Research Centre in London .
Written in English

    Subjects:
  • Desert locust -- Eggs.,
  • Desert locust -- Behavior.,
  • Insects -- Eggs.,
  • Insects -- Behavior.

  • Edition Notes

    Bibliography: p. 37-38.

    Other titlesOviposition responses of the desert locust.
    Statementby Maud J. Norris.
    SeriesAnti-locust bulletin ;, 43
    ContributionsAnti-Locust Research Centre (Great Britain)
    Classifications
    LC ClassificationsSB945.L7 A49 no. 43, QL508.A2 A49 no. 43
    The Physical Object
    Pagination47 p.
    Number of Pages47
    ID Numbers
    Open LibraryOL3917796M
    LC Control Number81483942


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Laboratory experiments on oviposition responses of the desert locust by Maud J. Norris Download PDF EPUB FB2

Abstract. Field surveys at five sites within desert locust breeding habitats around Port Sudan during three successive seasons indicated that early in the rainy season the incoming solitary females oviposited predominantly in the vicinity of Heliotropium spp.

(∼66%) and millet (∼32%) seedlings. Solitary nymphs also preferred to feed on these by: Laboratory experiments on oviposition responses of the desert locust, Schistocerca Laboratory experiments on oviposition responses of the desert locust book (Forsk.), by Maud J.

Anti-Locust Research Centre Great Britain Norris Paperback. The desert locust,Roffey et al., ), and laboratory experiments showed that isolated-reared females began to lay larger eggs in response to exposure isolated-reared females prolonged their oviposition interval in response to crowding.

Their oviposition interval, egg size, and number of eggs were intermediate between that of Author: Koutaro Ould Maeno, Cyril Piou, Saïd Ghaout. The following is almost entirely the author's summary.

The behaviour of swarming adults of Schistocerca gregaria (Forsk.) during reproduction was studied in relation to environmental conditions at some 30 sites in Eritrea [cf. preceding abstract], Ethiopia, Somalia and Kenya.

The main component activities of this behaviour are pairing, copulation, probing, digging and by: In common with other locusts, female desert locust, Schistocerca gregaria (Forskal), oviposit at common sites suggesting that oviposition is pheromone mediated (Norris, ).

Saini et al. ()verified this hypothesis and showed that semiochemicals from the froth of egg pods attract ovipositing female S. gregaria. In this paper, we report the identification of two electrophysiologically Cited by: Laboratory experiments on oviposition responses of the desert locust Schistocerca gregaria (Forsk.) Anti-Locust Bull.

Google Scholar Norris, M. Aggregation response in ovipositing females of the desert locust, with special reference to the chemical by: The water extract of desert locust, Schistocerca gregaria, frass collected in the wild had an oviposition inhibitory (OI) effect when mixed with sand and presented to adults.

Desert locust gregarization: a conceptual kinetic model Article (PDF Available) in Journal of Orthoptera Research 14(Dec ) September with Reads How we measure 'reads'. Desert Locust Guidelines Introduction INTRODUCTION This guideline is intended mainly for use by field staff involved in locust survey and control operations, including pilots of survey and spray aircraft.

Some parts will be useful reference material for training new staff and providing refresher training for experienced locust Size: 2MB. In eastern Africa between and and in south-western Morocco inorientations and densities of flying locusts in migrating swarms of Schistocerca gregaria Forsk.

were recorded photographically, with supplementary visual observations. The densities ranged from 0 to 123 locusts/m 3 (mean spacing between nearest locusts 12 and 1 m, respectively) with a median .