What is the red-necked longhorn beetle?

An invasive beetle from China that kills cherry and plum trees. Red 'neck' and glossy black body.

Where should I survey?

Check cherry trees in parks, riversides, schools, and along roads—especially in Saitama.

How to report findings?

Use the smartphone form, email, or mail. Reports via municipalities are also accepted.

What if I find an adult beetle?

Kill it immediately on site. It’s harmless to humans but illegal to transport.

Main period ends August 31, Reiwa 8. Reports accepted year-round.

AI News NQ Analysis

Saitama Prefecture Launches 'Great Survey of Red-necked Longhorn Beetle 2026'

NQ Score 45/100

N1 Content Completeness 5

AI Summary (NQ-processed)

The International Center for Environmental Science has launched the 'Great Survey of Red-necked Longhorn Beetle 2026' to monitor and control the invasive pest that kills cherry, plum, and peach trees, urging public participation in reporting sightings.

AI Analysis

Frequently Asked Questions

Q: What is the red-necked longhorn beetle?: A: An invasive beetle from China that kills cherry and plum trees. Red 'neck' and glossy black body.
Q: Where should I survey?: A: Check cherry trees in parks, riversides, schools, and along roads—especially in Saitama.
Q: How to report findings?: A: Use the smartphone form, email, or mail. Reports via municipalities are also accepted.
Q: What if I find an adult beetle?: A: Kill it immediately on site. It’s harmless to humans but illegal to transport.
Q: Survey period?: A: Main period ends August 31, Reiwa 8. Reports accepted year-round.