Lagnus

Lagnus is a spider genus of the jumping spider family, Salticidae. It occurs only in the Philippines and Fiji.

Name
The species name longimanus is Latin for "with a long hand".

Species
, the World Spider Catalog accepted the following species:
 * Lagnus edwardsi Zhang & Maddison, 2012 – Philippines
 * Lagnus longimanus L. Koch, 1879 (type species) – Fiji
 * Lagnus monteithorum Patoleta, 2008 – Fiji