Learn how to import orchids and other plants legally before doing it. Permits and a phytosanitary certificate are required.
If you order plants from outside the country and don't have the proper permits and phytosanitary certificate, they will be confiscated and burned by customs agents if discovered. The potential fine is $10,000 per plant.
Because those are species orchids they are covered by the CITES treaty. If you don't have proper CITES permits you are liable for an additional fine of up to $50,000 per plant.
Here is where you can read about doing it legally. It's a government Web site so it's extremely difficult to figure out the process:
USDA APHIS | APHIS Permits (ePermits and eFile)