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 6. parva species-group (2 species) Diagnosis. The members of parva group can be distinguished from other Sagola groups by the following combination of characters: body length 2.3–3.8 mm ; antennomere 1 approximately 2.5 times longer than wide with dull surface, male antennomeres 5–6 enlarged ( Fig. 21e ); gular region of male head with round depression ( Fig. 21g ); hind wings well-developed; fore-femur with semicircular depression; abdominal tergites IV–VI with discal carinae; present on North Island, not known from South Island ( Fig. 22 ). KEY TO SPECIES OF THE PARVA SPECIES- GROUP The key is based on genitalia because most specimens are indistinguishable based on external morphology. 1. Head bluntly triangular with large eyes ( Fig. 21a, f ); antennomeres 5–6 enlarged, without tubercles................. S. parva Sharp 1′. Head transverse with small eyes ( Fig. 21b ); antennomeres 4–6 enlarged, with distinctive tubercles ........................ S. denticollis Broun