看看wp-includes/taxonomy.php. 这些措施包括：

do_action( "create_term",       $term_id, $tt_id, $taxonomy );
do_action( "created_term",      $term_id, $tt_id, $taxonomy );
do_action( "edited_term",       $term_id, $tt_id, $taxonomy );
do_action( \'delete_term\',       $term,    $tt_id, $taxonomy, $deleted_term );
do_action( "create_$taxonomy",  $term_id, $tt_id );
do_action( "created_$taxonomy", $term_id, $tt_id );
do_action( "edited_$taxonomy",  $term_id, $tt_id );
do_action( "delete_$taxonomy",  $term,    $tt_id, $deleted_term );

您正在寻找created_term, edited_term 和delete_term. 每个回调接受3个参数：

function wpse_created_term( $term_id, $tt_id, $taxonomy ) {
}    
function wpse_edited_term( $term_id, $tt_id, $taxonomy ) {
}    
function wpse_delete_term( $term_id, $tt_id, $taxonomy ) {
}    

add_action( \'created_term\', \'wpse_created_term\', 10, 3 );
add_action( \'edited_term\', \'wpse_edited_term\', 10, 3 );
add_action( \'delete_term\', \'wpse_delete_term\', 10, 3 );