Maritime trap-jaw ants (Hymenoptera, Formicidae, Ponerinae) of the Indo-Australian region – redescription of Odontomachus malignus Smith and description of a related new species from Singapore, including first descriptions of males

Paratype worker of O. litoralis sp. nov. A Head in full face view B mesosoma in dorsal view C head in lateral view D mesosoma in lateral view E closeup of petiole in lateral view F gaster in lateral view. Red arrows on A, C indicate protuberances on head dorsum. White arrow on B indicates tubercle-like projection of the strongly developed anteroventral margin of mesopleuron.