Posts Tagged: honeydew
Keep an Eye Out for Spotted Lanternfly
The spotted lanternfly (Lycorma delicatula) is a new exotic pest that was first detected in...
Sticky mess on plants
Are you seeing cars, sidewalks, driveways, or other plants covered in sticky stuff, especially...
Leafhoppers on plants
You may see leafhoppers in your garden or landscape this time of year as they hop about feeding on...
Adult leafhopper. (Credit: Jack Kelly Clark)
What's that Sticky Stuff on my Car?
It's hot outside, so like a lot of people, you try to park your car under a tree in parking lots...
The Lady Beetle and the Syrphid Fly
So, here I am, an Asian lady beetle (Harmonia axyridis) perched on a rose bush in Vacaville,...
A large syrphid fly, Scaeva pyrastri (as identified by Martin Hauser of the California Department of Food and Agriculture), heads for a lady beetle. (Photo by Kathy Keatley Garvey)
Touchdown! The large syrphid fly, Scaeva pyrastri, lands next to the lady beetle.(Photo by Kathy Keatley Garvey)
The syrphid fly licks honeydew from the lady beetle. (Photo by Kathy Keatley Garvey)
Honeydew is a sugar-rich sticky liquid, secreted by aphids and some scale insects as they feed on plant sap. When their mouthpart penetrates the phloem, the sugary, high-pressure liquid is forced out of the anus of the aphid.