I had Oranges confiscated at a state line in--this has been a long time , Arizona. RT.10 I believe.
Lots of nasty stuff trying to get into the country, loads of rice is being destroyed if even one DEAD beetle is found. Last time it got in it cost millions to kill the bugs off.[ S. Korean?]
Warnings about some tree eating bug new to the country found in Chicago. Cow hides were seized from Kenya when found to have been contaminated with anthrax, one of NYC's best know drum maker died as a result.
It is possible that shipments of wood from overseas is found to contain lava after being delivered to the US, officials tracked down the buyers and destroyed it to be on the safe side.
Little by little manufactures are using plastic pallets instead of the wood ones, however foreign markets have not been able to afford the expense. Lord knows what a wood pallet will pick up as it moves from the dock to rail lines or trucks to head out across the country.
We do not have enough inspectors to check everything coming into the country, a small sample may be taken of a shipment of whatever, if that sample passes, the shipment is OK to go where ever.
Same with Fish and or meat products, I have see literally tons of foreign farmed fish rejected when it reached the processing plant by refrigerated rail cars. One small sample and the intire order is sent away, horrid as that fish could have fed thousands of hungry humans, I wondered if the fish ended up in pet food.
This is all natural hitchhiking by organisms. Be careful in the grocery store, you never know what you will find under your banana.