SOME TIPULIDAE FROM TIBET AND UPPER BURMA IN THE BRITISH MUSEUM (NATURAL HISTORY) (DIPTERA) By CHARLES P. ALEXANDER SYNOPSIS The present report is based chiefly on collections of Tipulidae made by Frank Kingdon-Ward and Ronald J. H. Kaulback in Northeastern India, Burma and Southeastern Tibet between 1931 and 1936. A few further species from Tibet and Pakistan are included. Fifteen species are denned as new. WHILE engaged in general and botanical explorations in northeastern India, Burma and southeastern Tibet, the late Frank Kingdon-Ward and Ronald J. H. Kaulback collected and sent to the British Museum (Natural History) numerous specimens of insects, including various species of Tipulidae. The late Fred. W. Edwards, out-standing authority on this family of flies, died in November 1940 before he was able to identify these materials and later the collection was submitted to me for study. A considerable part of the series had been determined and the specimens returned but there remained a relatively small number of species that now have been identified and are discussed at this time. All holotype specimens and named representatives of other species have been returned for preservation in the British Museum. I am greatly indebted to the Museum authorities for the opportunity of studying these specimens from an unusually desirable part of southeastern Asia. Kingdon-Ward, accompanied by Lord Cranbrook, collected in Upper Burma, and particularly in the Adung Valley, throughout 1931, and published a detailed account of the expedition (Ward, 1937, in list of References). In 1933, he explored south-eastern Tibet, in company with Ronald Kaulback (Ward, 1934). Between April 1935 and December 1936, Kaulback, accompanied by John Hanbury-Tracy, revisited southeastern Tibet while endeavouring to trace the source of the Salween River and in both 1935 and 1936 collected various insect specimens (Kaulback, 1939). The accompanying list of references cites works and papers that concern these three expeditions and previously published articles on the Tipulidae. The volumes by Ward and Kaulback contain a wealth of information concerning this region and may be consulted by interested parties. TIPULINAE Ctenacroscelis luteistigmatus sp. n. Belongs to the brobdignagius group ; mesonotal praescutum light brown, with two inter-mediate brown stripes that are separated by a broader yellowish grey central vitta ; pleura obscure yellow with a narrow pale brown dorsal stripe ; femora yellow, tips narrowly and
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