| abstract | This installment contains descriptions of the following new species and genera: Aceria georghioui, new species, on carnation on the Isle of Cypress; Tegonotus hassani, new species, a rust mite on olive in Egypt; a rediscription of the genus Vasates; Aculus new genus, with the privet rust mite, ligustri K., as type; synopsis of the generic characters eparating Phyllocoptes, Vasates, and Aculus; Aculus pelekassi, new species, a rust mite on citrus in Greece; Aciota costae, new genus and species, on glory bush in Brazil; Asetacus barbarae, a rust mite on Catalina cherry in California; Catarhinus tricholaenae, new genus and species, on Natal grass and corn in Brazil; Acarhynchus filamentus, new genus and species, on Southern cane in Virginia; Diptacus swensoni, new species, a rust mite on holly in Oregon. There is appended a key to Rhyncaphytoptine genera. |