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Observed weather and projected climate change suggest an increase in the transmission of vector-borne diseases (VBDs) in the Hindu Kush Himalayan (HKH) region. In this study, we systematically explore the literature for empiric associations between the climate variables and specific VBDs and their vectors in the HKH region. We conducted a systematic synthesis of the published literature on climate variables, VBDs and vectors in the HKH region until the 8th of December 2020. The majority of studies show significant positive associations of VBDs with climatic factors, such as temperature, precipitation, relative humidity, etc. This systematic review allowed us to identify the most significant variables to be considered for evidence-based trend estimates of the effects of climate change on VBDs and their vectors in the HKH region. This evidence-based trend was set into the context of climate change as well as the observed expansion of VBDs and disease vectors in the HKH region. The geographic range of VBDs expanded into previously considered non-endemic areas of highlands (mountains) in the HKH region. Based on scarce, but clear evidence of a positive relationship of most climate variables and VBDs and the observed climatic changes, we strongly recommend an expansion of vector control and surveillance programmes in areas of the HKH region that were previously considered to be non-endemic.
Six new species of the genus Caccothryptus (Coleoptera: Limnichidae) are described from the Himalayan region: C. brendelli sp. nov., C. arakawae sp. nov., C. championi sp. nov., C. larryi sp. nov., C. tardarsauceae sp. nov. and C. abboti sp. nov. Photographs of type specimens with relevant morphological characters to distinguish species are provided.
In 1796, Thomas Hardwicke travelled through northern India between what is now Fatehgarh in Uttar Pradesh and Srinagar in Uttarakhand. Hardwicke collected and described plants encountered and had many of the plants illustrated from life. He published an account of the journey in 1799 including a list of plant species. I review the names validated in the original paper, and also those published subsequently by Sir James Edward Smith and William Roxburgh based partly or wholly on the material or drawings acquired by Hardwicke on the journey to Srinagar. The large collection of Hardwicke plant drawings now held in the British Library, and a smaller set in the Botany Library of the Natural History Museum, are considered in relation to the application and typification of plant names related to Hardwicke’s botanical exploration in India. The names of seven plant species were validly published in the 1799 paper (Androsace rotundifolia Hardw., Ficus laminosa Hardw., Justicia thyrsiformis Roxb. ex Hardw., Linum trigynum Roxb. ex Hardw., Lonicera quinquelocularis Hardw., Salvia integrifolia Roxb. ex Hardw. and Volkameria bicolor Hardw.), plus one new combination (Echites antidysentericus (L.) Roxb. ex Hardw.). As concluded by Britten more than a century ago, Ficus laminosa is the correct name for the fig variously referred to F. saemocarpa Miq. or F. squamosa Roxb. Smith based Rhododendron arboreum Sm. and Bignonia undulata Sm. on Hardwicke plants. At least a dozen Roxburgh names, including Crataegus integrifolia Roxb., Gardenia tetrasperma Roxb. and Morus serrata Roxb., are based, at least partly, on Hardwicke’s collections. In total, 23 names are lectotypified here and one neotype is designated.