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Distribution and phenology of the beetles was studied at an infestation centre in a wood dominated by Ulmus glabra in Scania, S. Sweden, in 1983-85 us...
Read moreGlobal warming can increase insect pest pressure by enhancing reproductive rates. Whether this translates into yield losses depends on phenological sy...
Read moreenThis link goes to a English sectionesThis link goes to a Spanish section One important goal in prairie restorations is to have forb species that flo...
Read moreManaged systems harvested at intermediate time-scales have advantages over annual short-cycled systems in maintaining top-down control of insect herbi...
Read moreAgroecological farming uses crop and non-crop plant biodiversity to promote beneficial insects supplying pollination and biocontrol services to crops....
Read moreWe examined how the removal of above-ground biomass (mechanical brushing) at different times of the year affected the nutritional value of regeneratin...
Read moreLight limitation (induced by the canopy of Zea mays [maize] cv. Pioneer 3902) of reproduction in Amaranthus retroflexus and the allometric relationshi...
Read moreWild bees importantly pollinate both crop and wild plants. Yet, in intensive agricultural landscapes, wild bees are rare due to resource limitations o...
Read moreIn field studies in the UK in 1973-75, Hemiptera were sampled from 2 contrasting grasslands sown in April 1973 on a chalk soil which had previously gr...
Read moreIn field studies in the UK, Hemiptera were sampled using vacuum nets from replicated sown swards of 2 contrasting types, a fine-leaved grass mixture a...
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