Haemolymph pigment composition as a chemometric indicator of phase in the desert locust, Schistocerca gregaria

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dc.contributor.authorHassanali, Ahmed
dc.contributor.authorMahamat, H.
dc.contributor.authorMunyinyi, D.
dc.date.accessioned2014-03-05T12:55:26Z
dc.date.available2014-03-05T12:55:26Z
dc.date.issued2011-09-19
dc.descriptionDOI: http://dx.doi.org/10.1017/S1742758400016374en_US
dc.description.abstractThe blue biliverdin pigment in the haemolymph of Schistocerca gregaria Forskål (Orthoptera: Acrididae) was shown to be associated with all the stages and ages of the solitary-reared (solitarious) insects, irrespective of their origin or diet. The pigment was absent or present in very small quantities in the crowd-reared (gregarious) insects. The ratio of absorbance at 460 nm and 680 nm, the former representing the λmax for the carotenoid pigment and the latter for the biliverdin, provides a clear-cut index for partitioning the phases. The mean value of the index for the gregarious group fell in the range 3.69 to 4.78. That of the solitarious group ranged from 0.64 to 1.67. The absorbance ratio at 460/680 nm appears to represent a simple and convenient means of differentiating the two phases of the desert locust, Schistocerca gregaria.en_US
dc.identifier.citationInternational Journal of Tropical Insect Science / Volume 17 / Issue 02 / June 1997, pp 199-204en_US
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/9202
dc.language.isoenen_US
dc.publisherCambridge University Pressen_US
dc.subjectSchistocerca gregariaen_US
dc.subjectdesert locusten_US
dc.subjectsolitariousen_US
dc.subjectgregariousen_US
dc.subjecthaemolymph pigmentsen_US
dc.subjectbiliverdinen_US
dc.subjectcarotenoid pigmentsen_US
dc.subjectbiliproteinen_US
dc.subjectphase polymorphismen_US
dc.titleHaemolymph pigment composition as a chemometric indicator of phase in the desert locust, Schistocerca gregariaen_US
dc.typeArticleen_US
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