From the subantarctic to the subtropics: a revision of the Davacaridae Kethley, 1977 (Acari: Trigynaspida: Mesostigmata) with the description of a new genus and three new species Author Walter, David Evans text Journal of Natural History 2004 2004-08-20 38 16 2033 2049 http://dx.doi.org/10.1080/00222930310001617733 journal article 10.1080/00222930310001617733 1464-5262 4676074 Genus Davacarus Hunter Type species. Davacarus gressetti Hunter, 1970 . Diagnosis. With the characteristics of the family and genital opening/ ovipore of female covered by three shields: mesogynial shield well developed, subtriangular to subtrapezoidal in shape; latigynial shields large, indistinct, covering pregenital region and bearing two pairs of setae; pregenital shield absent. Endogynial complex with pair of elongate-oval punctate regions. Dorsal setae acuminate, simple to barbed. Four pairs of large, sessile lateral opisthosomal glands present. Male genital valve subcircular, with or without setae.