Loxosceles amazonica, male palpal bulbs. 1–2 Serra Negra do Norte, ESEC Seridó, state of Rio Grande do Norte, Brazil (MNRJ 6928, ref. Ser 7), left palp. 1 retrolateral 2 prolateral 3–4 Açu, FLONA de Açu, state of Rio Grande do Norte, Brazil (MNRJ 6939), left palp 3 retrolateral 4 prolateral 5–6 Martins, state of Rio Grande do Norte, Brazil (MNRJ 7306), right palp (mirrored) 5 retrolateral 6 prolateral. Scale bars: 1mm.

 
 
  Part of: Fukushima CS, Andrade RMG, Bertani R (2017) Two new Brazilian species of Loxosceles Heinecken & Lowe, 1832 with remarks on amazonica and rufescens groups (Araneae, Sicariidae). ZooKeys 667: 67-94. https://doi.org/10.3897/zookeys.667.11369