Posts Tagged: UC Davis Picnic Day
John Emery is a spider man.
Oh, he’s not a super hero who clings to city skyscrapers and chases villains and rescues damsels in distress.
He’s the IT manager for Sue Mills,
But he's truly a spider man. He has "his" very own spider cocoon right outside his office window on
In a recent e-mail, he wrote: “My co-workers think I'm strange (they want to kill the spiders) and my friends (and wife) to whom I've been sending pics today (taken with my iPhone through a handheld magnifying lens, using a flashlight for lighting) seem unimpressed.”
So Emery kindly e-mailed some of his photos to the UC Davis Department of Entomology thinking we'd enjoy seeing them and share his excitement.
We did and we do!
"It's like a nature documentary right next to my desk," he wrote. "How lucky am I?”
Frankly, we’re a little envious, too. Today outside my window in the UC Davis Department of Entomology, a mud dauber cruised past and bounced off the window pane. A crane fly bumbled by. Several ants crawled unceremoniously across the ledge.
But a spider home outside my window? I wish!
“I’ve always loved the bees and the bugs,” Emery said. He annually attends the UC Davis Picnic Day, which, like any good picnic, includes bugs.
At this year's Picnic Day, he and his wife (a 2000 graduate of UC Davis with a degree in English), pointed out the insect displays in Briggs Hall to their three-year-old daughter. She didn't seem at all impressed. "She didn't want to hang out near any of the bugs,” Emery lamented. “She was already traumatized by the snakes we'd seen earlier” and “we had to leave.”
Meanwhile, the spiders aren't leaving. Not just yet. "They're probably yellow sac spiders,” said Lynn Kimsey, professor and chair of the Department of Entomology and director of the Bohart Museum of Entomology, which houses seven million specimens (plus live displays of Madagascar hissing cockroaches, Vietnamese walking sticks and black widows spiders).
Unlike a web weaver, a sac spider builds a silken tube or sac. It does so in a protected area, such as under a log, in a corner of a room—or right outside John Emery’s San Francisco office window.
"Omigosh!" exclaimed Bohart senior museum scientist Steve Heydon when he saw the spider sac bulging with little ones. "Look at them all! I think they're yellow sac spiders, but without a specimen, I can't be certain."
Heydon IS certain, however, how many black widows are in an average egg case, a question he’s asked periodically during school tours at the museum. And, ahem, just how many are there? 175. He counted them. Took him an hour. No escapees, either.
Meanwhile, John Emery continues to make us all envious by capturing wonderful images of the spider family outside his office, using an iPhone and a handheld magnifying glass.
But wait! John Emery, our San Francisco Spider Man, is likely to become a bee man.
“I’ve recently been really, really wanting," he said, "to start a bee colony in my backyard.”
Who hates termites? Raise your hands.
Those dratted termites damage our homes, decks, furniture, fence posts and other wooden materials.
But at the 95th annual UC Davis Picnic Day on Saturday, April 18, you’ll see termites “walk the line”--ala the Johnny Cash song--between 10 a.m. and 4 p.m. at Briggs Hall.
(Too bad Cash didn't sing about termites "walking the plank." But then, termites wouldn't "walk the plank"--they'd eat it.)
Tara Thiemann, one of the graduate students in entomology coordinating the activity, will take a pen (Papermate or Bic ballpoint pen with blue ink),
take a pen (Papermate or Bic ballpoint pen with blue ink),draw a line on white paper, scoop up a termite, and place it on the paper.
The termite will walk the line.
Since termites are blind and cannot hear, they rely on smell to navigate. They navigate by following the scent of a pheromone, which is a chemical they secrete to send information to their buddies.
It so happens that a chemical in certain ink pens smells just like a pheromone, so they'll follow the trail.
Not all pens, however, are created equal in the pheromone category. Many contain no pheromone-like scent. And those that do certainly aren't labeled: "Attracts termites."
Lisa Reimer, a malaria mosquito scientist who received her doctorate in entomology last year from UC Davis, told us that it's too bad that we can't use the termite trail "technology" to draw termites out of our homes.
"Like draw a line right out the front door," she quipped.
"But," she added, "it doesn't work that way."
Walking the Line
If you attend the 95th annual UC Davis Picnic Day on Saturday, April 18 and stop by Briggs Hall between 10 a.m. to 4 p.m., you'll get a taste of honey.
In fact, six tastes of honey.
Extension Apiculturist Eric Mussen, a 32-year member of the UC Davis Department of Entomology faculty, will provide six different flavors of honey: Eastern buckhweat, redwood forest, orange blossom, California sage, Northwest raspberry and Georgia gallberry.
Here's the procedure: you scoop up six toothpicks, one per honey sample. You dip a toothpick into a container of honey (no double-dipping!) and then you discard the toothpick..
The darker honeys are Eastern buckwheat, redwood forest and Georgia gallberry; medium color, Northwest raspberry; and the lighter ones are orange blossom and California sage.
You can almost catch the buzz as you taste the honey. Honey differs in flavor and color, depending on the nectar source (blossoms) that the honey bees visit. Some 300 different varieties of honey are available for sale in the United States. In general, the lighter the color, the milder the flavor.
For more information on honey, visit the National Honey Board's Web site.
Questions about bees? Colony collapse disorder? Bee behavior? Queen bees, worker bees and drones? Why beekeepers wear light-colored clothing and don't eat bananas before visiting the hive? Mussen will be happy to answer them.
Honey bee on sage
If you want to create art that's bound to be a conversation piece, you need to head over to Briggs Hall at the
April 18 is the 95th annual UC Davis Picnic Day, a campuswide event that showcases, the organizers say, "the richness and diversity of campus life."
Make that "the richness and diversity of insects," too.
Briggs Hall, home of the Department of Entomology since 1972, is where bugs rule.
Forensic entomologist Rebecca O’Flaherty, a doctoral candidate in entomology, will be there with her free “Maggot Art” event.
She’ll provide the maggots, non-toxic paint, and paper. Your job is to pick up a maggot with specially designed larval forceps, dip it in paint (your choice of colors), place it on white paper, and let the maggot do its thing--which is to crawl across the paper. Voila! Maggot Art.
It’s one-of-a-kind art suitable for framing or posting on the refrigerator. Your Aunt Gertrude will be proud.
Maggot Art is actually the educational teaching curriculum that O'Flaherty coined and trademarked in 2001 while she was studying entomology at the
Since 2001, she’s taught thousands of students the “art of Maggot Art” in the classroom, while also providing information about blow flies. She's a skilled Maggot Art artist herself. In 2007, she coordinated a Maggot Art Show at the Capital Athletic Club, Sacramento, with colleagues and fellow artists Brandi Schmitt and Charlotte Wacker.
Maggot Art has been a tradition at Picnic Day since 2003. Kids usually love it, but that's not always true for adults. The "yecch" factor sometimes kicks in, she admits.
O'Flaherty's major professor, forensic entomologist Bob Kimsey, who chairs the Department of Entomology's Picnic Day celebration, estimates that the "bug events" at Briggs draw 3,000 people.
Maggot Art, Termite Trails, Cockroach Races and Honey Tasting are just a few of the events that will be offered at Briggs Hall from 9 a.m. to 4 p.m.
Bugs rule. They do, indeed.
Combining Art and Science