A revision of the New Zealand species of the genus Sagola Sharp (Coleoptera: Staphylinidae: Pselaphinae: Faronitae) Author Park, J. - S. Louisiana State Arthropod Museum, Department of Entomology, LSB 404 Louisiana State University Agric Author Carlton, C. E. Louisiana State Arthropod Museum, Department of Entomology, LSB 404 Louisiana State University Agric text The Coleopterists Bulletin 2014 mo 13 2014-12-01 68 1 156 journal article 3079 10.1649/072.068.0mo4.1 62322993-ca80-4b6c-ac95-861cbb236abd 1938-4394 4907735 31. opercularis species-group (1 species) Diagnosis. The single member of the opercularis species-group can be distinguished from other Sagola species by the following combination of characters: body length 2.1 mm ; antennomere 1 approximately 1.5 times longer than wide; anterior frontal fovea small, round, posterior frontal fovea elongate; frontal sulcus reaching to hind point of eye ( Fig. 77a ); eye large and prominent, approximately as long as temple ( Fig. 77a–b ); ventral surface of male head with W-shaped process bearing dense setae behind process ( Fig. 77b : arrow); elytra longer than wide ( Fig. 77a ), hind wings well-developed; abdominal tergites IV–VI with discal carinae; median lobe of male genitalia curved laterally, C-shaped ( Fig. 77c–d ); known from South Island ( Fig. 78 ).