Criteria 1955 2017 European League Against Rheumatism/ American College of Rheumatology classification criteria for adult and juvenile idiopathic inflammatory myopathies and their major subgroups I E Lundberg, A Tjärnlund, M Bottai, V P Werth, C Pilkington, M de Visser, L Alfredsson, A A Amato, R J Barohn, M H Liang, J A Singh, R Aggarwal, S Arnardottir, H Chinoy, R G Cooper, K Dankó, M M Dimac...

Isolating mechanisms are important in maintaining the taxonomic integrity of closely related sympatric taxa. A previous study found strong post-zygotic isolating barriers between two species, Witheringia asterotricha and W. meiantha, of the W. solanacea (Solanaceae) species complex in Costa Rica. This study examines the presence of pre-zygotic barriers between the two species at La Selva Biolog...

Ganglionus, gen. nov., is described for Þve species: G. mitigatus, sp. nov., from Costa Rica;G. catenatus, sp. nov., fromCosta Rica and Panama;G. undulatus, sp. nov., fromCosta Rica and Panama;G. constrictus, sp. nov., fromEcuador; andG. spatulatus, sp. nov., fromColombia.Ganglionus is placed in Derelomini and presents the following putative synapomorphies: male with (1) dorsally tumescent rost...