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A thorn steppe tribe Platyscelidini important insects and grass industry very close relationship, under Coleoptera Coleoptera Tenebrionidae Tenebrionidae darkling beetles subfamily Tenebrioninae, 8 genera and 209 kinds are known around the world, 71 of the known four genera kind. This is the first race on the kind of thorn A more comprehensive summary and data types summarized, and some types of amendments. General introduction and thesis includes two major monographs, including 347 feature maps, 37 overall figure. General Part I: Details of the taxonomic status of thorns A tribe and classification systems, classification research, research materials and methods, morphological, biological and economic significance. According to the World spines A species of the genus, for the first time using cladistic principles and systems analysis and inference, drawn small thorn A 7 species phylogeny as a monophyletic preliminary conclusions. According to the known species, within the scope of the world and Chinese prickly A family kind of floristic composition and geographical distribution characteristics of the first analysis, the conclusion is: The world is a thorn A nearly all are distributed only in the ancient North, just double barbed A genus Bioramix in Japan region also has distribution; all of our four stab A genus, 50% are located in the northern area and the Southwest, Northeast and Central China distribution of 25% of the case, while the Southern Region No distribution, indicating that China stab A family with the nature of Central Asian origin. Monographs parts: the first group of Chinese prickly A comprehensive system for the type of summary, a total of 4 genera and 71 kinds described, each listed in the same order of their citation different names, each of the morphological description, information and distribution of specimens , accompanied by a variety of morphological maps and feature maps. Four kinds of new scientific discoveries, new record two subgenera four kinds, proposed one kind of synonym. New species: Chamdo double thorn A Bioramix (Leipleura) qamdoana sp. Nov., Shorthair small thorn A Myatis breipilosum Meng et Ren, 2005, Nagqu small thorn A Myatis nagquensis Meng et Ren, 2005, Tacheng teeth thorn A Oodescelis ( Ovaloodescelis) tachengensis sp. nov.; new record is: Darboux pair thorn A Bioramix (Leipopleura) darbukensis (Kaszab, 1940), Xiping double thorn A Bioramix (Llatynoscelis) gracilis (Seidlitz, 1893), Levin's double thorn A Bioramix (Pleioplatyscelis) lederi (Seidlitz, 1893), Karnofsky double barbed A Bioramix (Lleioplatyscelis) caroli (Kaszab, 1940); New synonyms: oval thorn A Platyscelis (Platyscelis) obovatus Ren, 1999 is a double barbed A blinking light Bioramix (Leipopleura) micans (Reitter, 1889) of synonyms.
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