Posts Tagged: UC IPM
Once you've seen a leaffooted bug (genus Leptoglossus), you'll never forget it.
If you look closely, you'll see a leaflike structure on each hind leg.
It's especially noticeable when the bug is on a brightly colored tomato or pomegranate.
Lately we've been seeing a lot of leaffooted bugs on our tomatoes. They're Leptoglossus phyllopus, as identified by senior museum scientist Steve Heydon of the Bohart Museum of Entomology, UC Davis. The bugs emerge in the early morning for a few hours and then, moving quite sluggishly, disappear among the leaves, only to make their presence known late in the evening and early the next morning.
They're pests of many fruits, vegetables, grains, nuts and ornamentals, but they're so unusual looking that they draw the attention of photographers and other curious folks. It's camouflage at its best--except when they're on ripe red tomatoes and pomegranates. Then it's as if they're wearing neon.
The UC Statewide Integrated Pest Management (UC IPM) Program has this to say about leaffooted bugs on almonds:
"The leaffooted bug is an infrequent pest in almonds that gets its name from the small, leaflike enlargements found on the hind legs of the large nymphs and adults. Adult bugs are about 1 inch long and have a narrow brown body with a yellow or white zigzag line across its flattened back. Adult females lay eggs in strands of usually 10 to 15 eggs that are often found on the sides of nuts in almonds. Eggs hatch into small nymphs that resemble newly hatched assassin bugs."
Also read what UC IPM has to say about leaffooted bugs on pomegranates and several species: Leptoglossus clypealis, L. occidentalis, and L. zonatus.
A leaffooted bug on a tomato. This is Leptoglossus phyllopus, as identified by senior museum scientist Steve Heydon of the Bohart Museum of Entomology, UC Davis. (Photo by Kathy Keatley Garvey)
Two's company in this photo of two leaffooted bugs. (Photo by Kathy Keatley Garvey)
Red nymph of leaffooted bug. (Photo by Kathy Keatley Garvey)
Nymph of leaffooted bug checks out it surroundings. (Photo by Kathy Keatley Garvey)
Where's the best spot for the new residents of my garden?
I acquired two ladybugs last Saturday during the 99th annual UC Davis Picnic Day. Background: as part of the campuswide celebration, the Department of Entomology annually hosts an all-out bugfest at the Bohart Museum of Entomology and at Briggs Hall. And keeping with the Briggs Hall tradition, the UC Statewide Integrated Pest Management Program gifted picnickers with the treasured ladybugs.
Now ladybugs aren't really "bugs"; they're beetles. Neither are they all "ladies"; some have manly qualities. (Gender issues may confuse us, but not the lady and gentlemen beetles.)
A ladybug is a good beneficial insect. It can devour an estimated 5000 aphids in its lifetime (three to six weeks).
So, every year for the past several years, I've adopted two ladybugs, chauffered them home, and tucked them in our garden. "Please eat the aphids," I tell them.
And they do.
They're good at following instructions.
Last year they took up residence in a bed of red roses. This year, they're coming up in the world--a high rise. A tower of jewels (Echium wildpretii) is "home sweet home."
Life doesn't get any better than this if you're a ladybug (and any worse if you're an aphid).
Two ladybugs in a tower of jewels, Echium wildpretii. (Photo by Kathy Keatley Garvey)
Ladybugs exploring the menu. (Photo by Kathy Keatley Garvey)
Hmm, looks like an aphid over there to me. (Photo by Kathy Keatley Garvey)