Search Results - "WILLMER, P.G"

Water relations of terrestrial arthropods by Willmer, P.G.

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Visual cues and foraging choices: bee visits to floral colour phases in Alkanna orientalis (Boraginaceae) by Nuttman, C.V, Semida, F.M, Zalat, S, Willmer, P.G

“…When a pollination vector is required, any mechanism that contributes to floral visitation will potentially benefit the reproductive fitness of a plant. We…”
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role of insect water balance in pollination ecology: Xylocopa and Calotropis by Willmer, P.G

“…Two carpenter bees (Xylocopa spp.) in southern Israel both use the asclepiad Calotropis procera as a primary nectar source. This plant genus is coevolved with…”
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Flower choices by raspberry beetles: cues for feeding and oviposition by WILLMER, P.G, GORDON, S.C, WISHART, J, HUGHES, J.P, MATTHEWS, I.M, WOODFORD, J.A.T

“…Raspberry beetles,Byturus tomentosus, use raspberry as the host plant for feeding, mating and oviposition; the larvae are a major pest on the fruit. This study…”
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Field analyses of insect heat budgets: reflectance, size and heating rates by Willmer, P.G, Unwin, D.M

“…This paper outlines simple techniques for determining rates of heat gain and loss in relation to the weight and reflectance of insects caught in their natural…”
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Thermal ecology, size effects, and the origins of communal behaviour in Cerceris wasps by Willmer, P.G

“…Female Cerceris nest in large aggregations in sandy soil, stocking cells with weevils to feed the offspring. Their foraging patterns depend upon weather…”
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Water relations of terrestrial arthropods: by N.F. Hadley Academic Press, 1994. $79.95 hbk (xiv + 356 pages) ISBN 0 12 312990 7 by Willmer, P.G.

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Analytical fractionation of labile metals in selected groundwater humic substances by means of chelating ion-exchanger by Burba, P., Willmer, P. G.

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Temporal and microclimatic partitioning of the floral resources of Justicia aurea amongst a concourse of pollen vectors and nectar robbers by Willmer, P.G, Corbet, S.A

“…The flowers of Justicia aurea, morphologically characteristic of ornithophily, attracted a diverse array of foragers where they occurred as a dense stand in…”
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Thermoregulatory mechanisms in Sarcophaga by Willmer, P.G

“…The flesh fly, Sarcophaga, is frequently seen feeding on flowers during periods of high radiation when other flies of comparable size avoid exposure because of…”
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nectar of Justicia and Columnea: composition and concentration in a humid tropical climate by Corbet, S.A, Willmer, P.G

“…Studies in Costa Rica on two ornithophilous flowers, Justicia aurea (Acanthaceae) and Columnea glabra (Gesneriaceae) showed a constancy of nectar solute…”
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Physiologically induced changes in intramembranous particle frequency in the axons of an osmoconforming bivalve by Willmer, P G, Skaer, H L, Treherne, J E

“…Freeze-fractured axonal membrane surfaces from the connectives of Mytilus edulis show an increment in particle frequency of 52% (fixed tissues) or 68% (unfixed…”
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