| | | holotype of subspecies Neotachycines obscurus obscurus Sugimoto & Ichikawa, 2003 | Eastern Asia, Japan: Aharen, Tokashiki-son, Tokashiki-jima, Okinawa |
| | | paratype of subspecies Neotachycines obscurus obscurus Sugimoto & Ichikawa, 2003 | Eastern Asia, Japan: Aharen, Tokashiki-son, Tokashiki-jima, Okinawa |