A Revision of the Genus Metasinella Denis (Collembola: Entomobryidae)

How to Cite

Mari Mutt, J. A., & Gruia, M. M. (1983). A Revision of the Genus Metasinella Denis (Collembola: Entomobryidae). The Journal of Agriculture of the University of Puerto Rico, 67(2), 121–147. https://doi.org/10.46429/jaupr.v67i2.7702


The Antillean genus Metasinella is revised using specimens collected recently in Cuba and Puerto Rico. Four new species are described: M. borincana, coralia, millsi, and wrayi. Sulcuncus Mills 1938 is treated as a subgenus of Metasinella and all the species except M. acrobates are moved to this subgenus. The femoral organ, a new area found on the metathoracic trochanters, is the eighth feature used to distinguish Metasinella s. str. and Sulcuncus. A key to the subgenera and a key to all the species are included; a map details the geographic distribution of the species. Eighty figures supplement the descriptions.


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