A NEW GENUS AND SPECIES OF PUTATIVELY MYRMECOPHILOUS PTININE - COLEOAETHES TETRALOBUS (COLEOPTERA, ANOBIIDAE, PTININAE)

Coleoaethes tetralobus NEW GENUS, NEW SPECIES, from Panama, is describ ed. It is the third myrmecophilous genus of ptinine known from the New World. It is characterized by four lobes near the elytral apices, eac h with patches of brush like setae or trichomes. The relationship of C oleoaethes tetralobus to other ptinines, its morphological features as sociated with myrmecophily, and the diversity and distribution of myrm ecophilous ptinines are briefly discussed.