Doesn't seem to be recognized on my mac either, here is the output of ioreg
root# ioreg -p IOUSB
+-o Root <class IORegistryEntry, id 0x100000100, retain 17>
+-o Root Hub Simulation Simulation@1d000000 <class AppleUSBRootHubDevice, id 0x1000002e5, registered, matched, active, busy 0 (2 ms), retain 7>
| +-o IOUSBHostDevice@1d100000 <class AppleUSBDevice, id 0x1000002e6, registered, matched, active, busy 0 (2 ms), retain 13>
| +-o IOUSBHostDevice@1d180000 <class AppleUSBDevice, id 0x10000031d, registered, matched, active, busy 0 (1 ms), retain 13>
| | +-o BRCM20702 Hub@1d181000 <class AppleUSBDevice, id 0x10000035e, registered, matched, active, busy 0 (0 ms), retain 12>
| | | +-o Bluetooth USB Host Controller@1d181300 <class AppleUSBDevice, id 0x1000003ad, registered, matched, active, busy 0 (1 ms), retain 17>
| | +-o IR Receiver@1d182000 <class AppleUSBDevice, id 0x100000383, registered, matched, active, busy 0 (30 ms), retain 14>
| +-o Keyboard Hub@1d110000 <class AppleUSBDevice, id 0x10000033c, registered, matched, active, busy 0 (0 ms), retain 12>
| +-o Apple Keyboard@1d112000 <class AppleUSBDevice, id 0x100000372, registered, matched, active, busy 0 (3 ms), retain 13>
+-o Root Hub Simulation Simulation@1a000000 <class AppleUSBRootHubDevice, id 0x1000002eb, registered, matched, active, busy 0 (2 ms), retain 7>
| +-o IOUSBHostDevice@1a100000 <class AppleUSBDevice, id 0x1000002ec, registered, matched, active, busy 0 (3 ms), retain 11>
+-o Root Hub Simulation Simulation@14000000 <class AppleUSBRootHubDevice, id 0x10000030d, registered, matched, active, busy 0 (1 ms), retain 8>
+-o USB2.0 Hub @14400000 <class AppleUSBDevice, id 0x10000030e, registered, matched, active, busy 0 (1 ms), retain 12>
| +-o USB2.0 Hub @14410000 <class AppleUSBDevice, id 0x10000034f, registered, matched, active, busy 0 (1 ms), retain 11>
+-o USB3.0 Hub @14800000 <class AppleUSBDevice, id 0x100000327, registered, matched, active, busy 0 (2 ms), retain 14>
+-o USB3.0 Hub @14810000 <class AppleUSBDevice, id 0x1000003b3, registered, matched, active, busy 0 (2 ms), retain 11>
+-o Portable SSD T1@14820000 <class AppleUSBDevice, id 0x1000003c5, registered, matched, active, busy 0 (4 ms), retain 11>
+-o Portable SSD T1@14840000 <class AppleUSBDevice, id 0x1000189aa, registered, matched, active, busy 0 (8 ms), retain 11>