Western noticed cucumber beetles know the way to hit the spot.
Make that “a number of spots.”
These beetles, Diabrotica undecimpunctata, are agricultural pests that feed on roots, seedlings, flowers and foliage. And so they can transmit illnesses.
However have you ever ever seen feed on flower petals while you’re wandering round in your backyard?
“Cucumber, flea, and leaf beetles are pests of many flowers, together with dahlia, lily, and sunflower,” in line with the UC Statewide Built-in Pest Administration (UC IPM) Program. “Grownup cucumber beetles are shiny with black heads, lengthy antennae, and about 0.25 inch lengthy. Larvae are whitish and slender with three pairs of quick legs; the pinnacle and tip of the stomach are darker. Adults could also be striped or noticed, relying upon species. Flea beetles are small, shiny beetles with black legs enlarged for leaping. Different leaf beetle adults are lengthy, oval, blunt, and have threadlike antennae. The blue milkweed beetle grownup is metallic green-blue.”
“Grownup beetles chew holes in leaves; some species additionally devour shoots and blossoms. Larvae of cucumber beetles and flea beetles chew roots, which may stunt crops. Seedlings may be destroyed inside a number of days. Older vegetation can tolerate comparatively giant numbers.”
In our pollinator backyard, noticed cucumber beetles are terribly keen on our Mexican sunflowers, Tithonia rotundifola. We have seen them chew a number of holes within the petals.
Caught within the act!