Three new genera of zerconid mites (Acari, Gamasida: Zerconidae) from the United States of America

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Abstract
Three new monotypic genera in the family Zerconidae (Acari: Gamasida) from the United States are described: Krantzas gen.nov. (type species K. mirificus sp.nov.), Lindquistas gen.nov. (type species. L. amyihetes sp.nov.), and Hypozercon gen.nov. (type species. H. macleani sp.nov.). Krantzas is related to genera characterized by absence both of adgenital shields and a single opening of glands gv2, and is also related to genera characterized by peritremal shields terminating truncately behind the fourth pair of coxae. In this genus the additional lateroventral shield is situated between the peritremal and ventroanal shields. Lindquistas is related to genera characterized by the peritremal shield terminating truncately behind the fourth pair of coxae and by having two short, smooth peritremal setae. Members of this genus are similar to those of Macrozercon Błaszak and Bledas Halašková. Hypozercon is related to genera characterized by having the peritremal shields extended posteriorly and having two unequal setae on the peritremal shield. Members of this genus are similar to those of Mesozercon Błaszak and Neozercon Petrova.

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