Ersachus Erichson, 1847

Arce-Pérez, Roberto, Arriaga-Varela, Emmanuel, Cifuentes-Ruiz, Paulina & Escobar, Federico, 2014, Rediscovery of the GenusErsachusErichson in Veracruz, Mexico, with a Description of the Female ofErsachus erichsonianusSharp (Coleoptera: Byrrhoidea: Limnichidae), The Coleopterists Bulletin 68 (4), pp. 765-769 : 765-769

Ersachus Erichson, 1847

The genus Ersachus can be characterized by the following combination of diagnostic characters (based on Pütz et al. 2004): pronotum trapezoidal, with protruding posterior angles; vestiture of the dorsal surface slightly squamiform; prosternal apophysis sulcate; mesosternum with two elevated tubercles at both sides of the insertion area of the prosternal apophysis; elytra with a recognizable pattern formed by colored patches of setae; apex of the elytra regularly rounded; humeral callus extremely prominent, forming a constriction of the elytron.