Rare invasive seed bug intercepted at Metro Airport

U.S. Customs and Border Protection (CBP) officials at Detroit Metro Airport intercepted an invasive seed bug late last year. The half-inch long bugs were spotted among fresh cypress cones, brough in for medicinal purposes by a traveler arriving from Jordan.

The species, identified as orsillus maculatus, is known for spreading spores and feeding on conifer cones. It poses a threat to certain trees, particularly bald cypress and other conifers, though the bug has also been seen in juniper and pine trees in other countries.

CBP agriculturist Tyler Fox said the insect is especially concerning due to its potential to become invasive in Michigan, where cypress trees are planted for erosion control and ornamental purposes.

“A lot of the insects that come through actually are not problematic where they’re native,” Fox said. “But when something like this comes through that’s already been documented as problematic and arrives with no natural predators, the potential is very high for it to become invasive.”

Fox says the insect has the ability to blend in with tree bark, making it difficult to detect initially, which could delay the realization of a problem.

CBP officials emphasize the importance of travelers declaring any agricultural products they may be carrying to help prevent the introduction of harmful species.