Los Angeles neighborhoods beneath ‘first-ever’ quarantine after invasive Tau fruit fly was detected, elevating fears pests native to Asia may destroy avocados and tomatoes
- Tau fruit flies had been detected in Stevenson Ranch close to Santa Clarita in California
- The species is indigenous to Asia and poses a risk to fruit, veg and vegetation
- A brand new quarantine prevents the transport of produce in a 79-square-mile space
A 79-square-mile space of Los Angeles County has been put beneath a quarantine after 20 invasive fruit flies from China had been detected in a single neighborhood.
Tau fruit flies are indigenous to Asia and pose a ‘important risk’ to numerous wildlife together with agricultural fruits, greens and a few Californian vegetation.
Throughout the quarantine space, the motion of vegatables and fruits is prohibited however individuals can journey freely. Whereas the fruit and veg can’t be moved, persons are allowed to get rid of them and eat them.
It is believed the fly was launched to the world by vacationers bringing uninspected produce into the state, the company mentioned.
Though the flies have been detected within the US earlier than – first in 2016 – that is the primary time their detection has triggered a quarantine within the Western hemisphere, based on the California Division of Meals and Agriculture.

Aerial of suburban Stevenson Ranch neighborhood of Los Angeles County the place 20 Tau fruit flies had been detected, based on the California Division of Agriculture

Tau fruit flies are indigenous to Asia and pose a ‘important risk’ to numerous wildlife together with agricultural vegetation, greens and a few Californian vegetation. They’re across the similar dimension as a horsefly
The bugs had been detected within the Stevenson Ranch neighborhood close to town of Santa Clarita, round 30 miles north of Los Angeles.
They’re roughly 7 mm in size – much like that of a housefly – and have yellow and black stripes.
The flies are particularly prone to be discovered on cucurbits, avocados, citrus fruits, tomatoes, and peppers, on which feminine flies lay larvae that then tunnel into the fruit.
A single feminine can lay greater than 400 eggs in her lifetime, based on the Division of Agriculture.
‘The fly is native to Asia and is a severe pest for agriculture and pure sources, with a really large host vary, together with quite a few vegatables and fruits in addition to a choose vary of native vegetation in California,’ mentioned the division in a launch.

The quarantine prevents the transport of produce in a 79-square-mile space across the metropolis of Santa Clarita, round 30 miles north of Los Angeles

In response to the California Division of Agriculture, that is the first-ever quarantine attributable to the Tau fruit fly within the Western hemisphere. Pictured is an aerial view of Stevenson Ranch
‘To stop the unfold of this invasive species, residents residing within the quarantine space are urged to not transfer any vegatables and fruits from their property. They might be consumed or processed,’ it added.
The company plans to work with the US Division of Agriculture and native authorities to remove the Tau fruit fly and stop its unfold.
That may contain having crews reduce host fruit and greens on properties inside 200 meters of preliminary detections to examine for larvae, the state agricultural company mentioned.
It was suggested that any fruit or greens which might be thrown away needs to be double-bagged and positioned solely in rubbish bins. Supplies shouldn’t be positioned in inexperienced waste.