Researchers use invisible lasers, ghastly wasps and more trickery to protect orange groves Asian citrus psyllids transmit a disease that can ruin your oranges. Even worse, Argentine ants protect them ...

Pesticide spraying for Asian citrus psyllids — a tiny louse that can carry the dreaded huanglongbing (HLB) bacteria — by the state started in the Carpinteria area this past week and is moving toward ...

There’s a pest that shows up now and again that does so much damage to tomatoes and potatoes that gardeners shudder whenever you mention its name. Like ghost stories around a campfire, its frightening ...

A tiny disease-carrying insect that could bring down California’s $1.6-billion citrus industry continues an inexorable march north into one of the nation’s premier orange- and lemon-growing regions.

The discovery in Santa Ana of a tiny insect that typically carries a tree-killing disease has brought California’s $1.6-billion citrus industry one step closer to an agricultural disaster, experts ...

A growing population of Asian citrus psyllids was found at four sites in Maricopa. This is the first detection of the psyllids in Kern County this year. It’s a bug that can transmit a deadly plant ...

California's $7 billion citrus industry may be at stake as psyllids continue to spread throughout the state, causing a deadly citrus tree disease. Asian Citrus Psyllids (Diaphorina Citri) is a ...

Santa Barbara County is in a unique position: diligently find and treat citrus trees for the Asian citrus psyllid or face possibly losing these beloved trees forever. As farmers managing a combined ...

New research shows that the Asian citrus psyllid, the vector of citrus greening disease, does not do well at high elevations, and that populations drop to zero at 600 meters or more above sea level.

Question: I planted a cascalote tree several years ago. It is thriving. However, this time of year brings insects I understand to be psyllids. I can remove them by spraying the tree with water, ...

Asian citrus psyllids transmit a disease that can ruin your oranges. Even worse, Argentine ants protect them in exchange for the psyllids’ delicate ribbons of sugary poop, called honeydew. So, ...