摘要:FIVE NEW SPECIES OF PSELLIOPUS BERGROTH (REDUVIIDAE: HARPACTORINAE) FROM MEXICO (GUERRERO, HIDALGO, JALISCO, MICHOACÁN, NAYARIT, NUEVO LEÓN, OAXACA, PUEBLA, QUERÉTARO, SAN LUIS POTOSÍ, SINALOA, SONORA AND TAMAULIPAS) AND FROM THE UNITED STATES OF AMERICA (ARIZONA) ARE DESCRIBED. PSELLIOPUS KARLENAE HUSSEY IS A NEW RECORD FOR MEXICO. DIAGNOSTIC TAXONOMIC CHARACTERS OF PRONOTUM, POSTERIOR BORDER OF ABDOMINAL SEGMENT VII, MALE GENITAL CAPSULE (PYGOPHORE) AND PARAMERES ARE ILLUSTRATED. AN IDENTIFICATION KEY BASED MAINLY ON THE MALE GENITALIA IS INCLUDED.