<p>Preface.- Introduction.- 2010 Assessments for Lepidoptera.- British Butterfly distributions and the 2010 target.- The development of butterfly indicators in the United Kingdom and assessments in 2010.- Moths count: recording moths for conservation in the UK.- The state of the Dutch larger moth fauna.- Recent trends in butterfly populations from north-east Spain and Andorra in the light of habitat and climate change.- Andorran butterfly monitoring scheme.- Assessing conservation status and trends for the world’s butterflies: the Sampled Red List Index approach.- Butterfly community recovery in degraded rainforest habitats in the Upper Guinean Forest Zone (Kakum Forest, Ghana).- Conservation of butterflies in Japan: status, actions and strategy.- Climate Change Impacts and Adaptation.- Recent evidence for the climate change threat to Lepidoptera and other insects.- Synchronisation of egg hatching of brown hairstreak (Thecla betulae) and budburst of blackthorn (Prunus spinosa) in a warmer future.- The Science of Conservation Management.- Evidence based conservation of butterflies.- Butterfly abundance in a warming climate: patterns in space and time are not congruent.- Declines of prairie butterflies in the midwestern USA.- Habitat preferences of Maculinea arion and its Myrmica host ants: implications for habitat management in Italian Alps.- Not only butterflies: managing ants on road verges to benefit Phengaris (Maculinea) butterflies.- Butterflies on the brink: habitat requirements for declining populations of the marsh fritillary (Euphydryas aurinia) in SW England.- The effects of habitat fragmentation on niche requirements of the marsh fritillary, Euphydryas aurinia, (Rottemburg, 1775) on calcareous grasslands in southern UK.- Leptidea sinapis (wood white butterfly) egg-laying habitat and adult dispersal studies in Herefordshire.- New tools to boost butterfly habitat quality in existing grassbuffer strips.- What can sown wildflower strips contribute to butterfly conservation?: an example from a Swiss lowland agricultural landscape.- Land-use, environment, and their impact on butterfly populations in a mountainous pastoral landscape: individual species distribution and abundance.- Landscape-scale Conservation.- Landscape scale conservation: resources, behaviour, the matrix and opportunities.- Habitat resources, remnant vegetation condition and area determine distribution patterns and abundance of butterflies and day-flying moths in a fragmented urban landscape, south-west Western Australia.- High and dry or sunk and dunked: lessons for tallgrass prairies from quaking bogs.- Landscape-scale conservation in practice: lessons from northern England, UK.- Securing viable metapopulations of the marsh fritillary butterfly, Euphydryas aurinia, (Lepidoptera:Nymphalidae) in northern England.- Is the Natura 2000 network sufficient for conservation of butterfly diversity? A case study in Slovenia.- Status and conservation of Asclepiadaceae and Danaus in southern Spain.- Future Challenges.- Grassland butterflies and low intensity farming in Europe.- Developing and launching a wider countryside butterfly monitoring method.- Ten conservation challenges for 2010 and beyond to conserve Lepidoptera in Europe.- Index.</p>