Five new species and new records of the spider genus Stemmops (Araneae, Theridiidae, Spintharinae) from Brazil Author Santanna, Manoela Author Rodrigues, Everton Nei Lopes text Zootaxa 2018 2018-11-21 4524 2 174 186 journal article 27931 10.11646/zootaxa.4524.2.2 44a52693-984e-4c6f-838a-b7b9ea950d45 1175-5326 2610417 F904B4DB-8F5B-46ED-9973-3A1D53BCFC6E Stemmops guapiacu new species Figs. 8, 9 , 16 , 25 Type material. Holotype . BRAZIL : Rio de Janeiro , Cachoeiras de Macacu , Reserva Ecológica de Guapiaçu , 22°25’S– 42°44’W , 08.XI.2001 , Equipe Biota leg., night manual collection, 1F ( IBSP 215208 ) . Paratype . BRAZIL : Paraíba , Areia , Reserva do Pau Ferro , 06°57’S– 35°44’W , 23–29.IX.1999 , A. D. Brescovit leg., pitfalltrap, 1F ( IBSP 50483 ) . Etymology. The species name is a noun in apposition taken from the type locality. Diagnosis. The female of Stemmops guapiacu new species resembles that of S. cryptus Levi, 1955 (see Levi 1955 , figs. 23, 24), by the presence of two oval spermathecae in ventral view, but differ by the shape of fertilization ducts longs, overlaps the copulatory ducts in the median portion ( Figs. 8, 9 ). Description. Female paratype (from Reserva Ecológica Guapiaçu, IBSP 215208): Total length 1.36. Carapace: length 0.56, width 0.48. Clypeus: height 0.06. Sternum: length 0.18, width 0.2. Chelicerae: length 0.16, width 0.08. Abdomen: length 0.56; width 0.52; height 0.44. Leg formula IV/I/II/III. Segment length (I/II/III/IV): femora 0,54/0,42/0,31/0,52; patellae+tibiae 0,63/0,50/0,44/0,67; metatarsi+tarsi 0,63/0,0,56/0,58/0,71; total: 1,80/ 1,49/1,34/1,91. Palp: femora 0.08, patellae 0.06, tibiae 0.10, tarsi 0.06. ALE smaller. PME separated from each other by 0.06. Carapace oval ( Fig. 16 ), pale yellow, darkened in median portion after PME and laterals, Clypeus concave, laterally. Chelicerae yellow. Labium subtriangular yellow. Endites yellow. Ocular region dark except between PME. Sternum yellow, with lateral dark dots. Legs pale yellow. Abdomen oval ( Fig. 16 ), grey with a pale yellow spot above spinnerets, venter lighter. Male. Unknown. Distribution . Brazil ( Paraíba and Rio de Janeiro , Fig. 25 )