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The small He A Acaridae , Hermanniellidae A mite suborder Oribatida special group , the main differential characteristics of the end of the dorsal gland developed and was bottle -like protrusions on both sides of the central opening in the rear panel . The small He A Acaridae distribution in the world, living in the organic matter rich soils . Pan herbivorous feeding habits . As of 2010 , the world has reported small He Oribatida families, 9 , 53 species . Of the groups is very weak, as of this prior to the study , China reported only 5 species , which is not to our country for the mode of origin of the species, and has been reported in many kinds of non- taxonomic literature . In view of this, based on a large number of specimens accumulation of small He A Acaridae , system taxonomic studies . The general part the small He A Acaridae , domestic and foreign research Brief History A detailed description of the morphological characteristics of the small He Oribatida family the small He A Acaridae , reproduction , development , Ecological and biological characteristics . He Oribatida , Division 2 the On part system taxonomic studies carried out on China A small He Acaridae , to view more than 600 head of specimens collected from all over the country , were identified 14 species , including 8 new species , a new record is 1 genus , Chinese new Records . After this study , our small HE A Acaridae known taxa from 1 and 5 species upgraded to 2 genera and 14 species . For all species is described in detail , each measuring 6-8 morphological characteristics , drawing 7-12 feature maps , the preparation of the sub - genera , Key to .
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