Posts Tagged: Eric Mussen
The event, hosted by the California Center for Urban Horticulture (CCHU), based at UC Davis, will take place at Giedt Hall, UC Davis campus, with a side trip to the Häagen-Dazs Honey Bee Garden, just west of the campus, on Bee Biology Road.
Registration is underway at on the CCHU website.
CCHU program manager Anne Schellman says that this will be an informative workshop where participants will learn:
- How to identify common bee pollinators
- How to make a landscape pollinator-friendly
- Which plants pollinators prefer
- The latest research about honey bee health and pollinator habitat
- How UC Davis helps honey bees at the Häagen-Dazs Honey Bee Garden
Honey bee and native pollinator specialists with the UC Davis Department of Entomology and Nematology will be among the speakers.
Please pick up materials and enjoy coffee and a light breakfast
Dave Fujino, director of the California Center for Urban Horticulture, UC Davis
Edwin Lewis, professor and vice chair of the Department of Entomology and Nematology, UC Davis
8 to 8:40
The Buzz about Bees: Attracting and Observing Bees in Your Garden
Native pollinator specialist Robbin Thorp, emeritus professor, Department of Entomology and Nematology, UC Davis
Habitat Enhancements to Support Bees: Agriculture to Urban Research
Pollination ecologist Neal Williams, associate professor, Department of Entomology and Nematology, UC Davis
Honey Bee Health: Extension apiculturist Eric Mussen, Department of Entomology and Nematology, UC Davis
Plants for Pollinators: Ellen Zagory, director of horticulture, UC Davis Arboretum and Public Garden, UC Davis
Haagen-Dazs Honey Bee Haven Garden Update: What's New in the Garden?
Christine Casey, manager of Häagen-Dazs Honey Bee Haven, Department of Entomology and Nematology, UC Davis
11:30 Pick up box lunch
Open house at Häagen-Dazs Honey Bee Haven, Bee Biology Road (It's located next to the Harry H. Laidlaw Jr. Honey Bee Research Facility)
Questions and answers with Robbin Thorp and Christine Casey
1 to 2
Special plant sale for Pollinator Workshop attendees
Arboretum Teaching Nursery, Garrod Drive
This is a great opportunity to learn more about the pollinators we see in our garden, ranging from honey bees and bumble bees to long-horned bees and metallic green sweat bees--and what to plant to attract them. Three of the speakers (Eric Mussen, Neal Williams and Robbin Thorp) were members of the "UC Davis Bee Team" that won the outstanding team award last year from the Pacific Branch of the Entomological Society of America. The other team members were assistant professor Brian Johnson and professor Lynn Kimsey, director of the Bohart Museum of Entomology.
See website for registration and more information, or contact Anne Schellman at email@example.com.
Honey bee foraging on flowering quince. (Photo by Kathy Keatley Garvey)
You've heard of late bloomers.
How about early bloomers?
A trip to the Benica (Calif.) State Recreational Park on Sunday yielded quite a surprise: a solo blossom on a bare almond tree.
Almonds don't usually start blooming until around Valentine's Day.
Almonds are big business in California. "The 2013-14 crop is estimated at 1.85 billion pounds from 810,000 bearing acres," wrote Christine Souza in the Dec. 11 edition of Ag Alert.
Souza, who covered the 41st annual meeting of the Almond Board of California, wrote that "Near-record production, higher prices and room for increased export opportunities lead leaders in the almond business to forecast continued growth, with optimistic trends outweighing concerns about water supplies, increasing production costs and onerous government regulations." Read her full article.
Meanwhile, while buds turn to blossoms and blossoms turn into food for hungry honey bees, Extension apiculturist Eric Mussen of the UC Davis Department of Entomology and Nematology, keeps busy answering bee/almond questions. This year marks his 38th year as an Extension apiculturist. He will be retiring in June.
One of the questions recently posed to him: "Do most commercial beekeepers in California specialize in a certain area of beekeeping such as honey production, pollination services, queen bees, etc., or do most do a little of all of these things?"
"Most commercial beekeepers in California try to place as many of their colonies as they can in almond pollination," Mussen responded. "That $150 or so makes up a large portion of the total costs of keeping a colony alive for a year--about $220. After almonds, most of the commercial beekeepers (bee breeders) in the Sacramento Valley turn to raising queen bees and bulk adult bees for the most part, with some further pollination contracts to keep their 'spare' bees making some income. The northern California beekeepers will hardly ever produce an income-generating honey crop, unless they move their colonies out of state, which some do. Most of the bee breeders produce no reportable honey."
On the other hand, the San Joaquin Valley commercial beekeepers do attempt to earn their income after almonds from various honey sources and pollination contracts, Mussen says. "Before most crops are ready to be pollinated, the beekeepers swamp the San Joaquin citrus belt to make some honey and not have to feed their bees. There are so many resident and visiting colonies down there that the honey crop has become very small. Except for alfalfa seed pollination, most commercially pollinated crops do not produce honey. Beekeepers do place their colonies near cotton, sometimes, for a honey crop, but it is risky. The central valley beekeepers can attain the state average of 60 pounds of honey per colony, if the rains promote growth of the sage and buckwheat plants growing in the hills around the valley.
"The southern California beekeepers usually average the best honey crops--closer to 100 pounds per colony. There still is a significant amount of citrus down there, and quite a few wildflowers. Rainfall remains an extremely important factor."
And declining bee health? What about colony collapse disorder (CCD)?
"CCD seems to be a combination of stresses that, sometimes, becomes overwhelming to the bees," he says. "These are the contributing leading factors: malnutrition, parasitism by Varroa destructor, infections with Nosema ceranae, infections by one or more of the 22 known honey bee viruses, exposure to pesticides, and vagaries of weather, especially cold weather. Commonly, colonies that are collapsing are heavily infected by Nosema and one or more of the viruses."
A solo almond blossom blooming Jan. 5, 2014 in Benicia. (Photo by Kathy Keatley Garvey)
It will be a few weeks until we see scenes like this. This photo was taken Feb. 11, 2013. (Photo by Kathy Keatley Garvey)
With all the rooftop beekeeping underway throughout the world, Santa may have some serious issues to consider tonight.
The “ho, ho, ho” may turn into a “ho, ho, ouch!”
What if Rudolph the Red-Nosed Reindeer trips over a bee hive on a rooftop? Honey bees are rather grumpy this time of year, you know. The queen bee, clustered inside the warmth of the hive, surrounded by worker bees, is not likely to issue a royal pardon. Guard bees will buzz out to defend their hive.
And they won't be just "pollen" Santa's leg.
Before jolly ol' Saint Nicholas can say "On Dasher, on Dancer, on Prancer, on Vixen, on Comet, on Cupid, on Donner, and on Blitzen," the Big Guy in the Red Suit (not an appropriate color for beekeepers) isn't feeling so good. Neither are the eight reindeer and the Red-Nosed One (now the Red-Nosed-Bulbous-One-That-Got-Stung-by-a-Bee.)
Indeed, this may prompt scientists to issue a white paper on "Santa Claus and the Pitfalls of Rooftop Beekeeping."
So, Santa, it might be a good idea to leave the red outfit at the North Pole tonight and don a professional bee suit with a zippered domed hood and leather gloves.
Might also be a good idea, too, to tuck a smoker in your sleigh.
The San Francisco Chronicle engages in rooftop beekeeping and maintains two colonies and a fruit and vegetable garden. Journalists Deb Wandell and Meredith May are the beekeepers. Extension apiculturist Eric Mussen of the UC Davis Department of Entomology and Nematology and Queen Turner, head of the beekeeping Section, Ministry of Agriculture, Botswana, inspected the hives last June. From left are Turner, Wandell and Mussen. (Photo by Kathy Keatley Garvey)
San Francisco Chronicle journalists/beekeepers Journalists Meredith May (left) and Deb Wandell inspect a frame of honey on the Chronicle's rooftop. (Photo by Kathy Keatley Garvey)
It's time to revisit "The 13 Bugs of Christmas."
You've heard "The 12 Days of Christmas," beginning with a single "partridge in a pear tree" and ending with "12 drummers drumming." In between: two turtle doves, three french hens, four calling birds, five gold rings, six geese-a-laying, seven swans-a-swimming, eight maids-a-milking, nine ladies dancing, 10 lords-a-leaping, and 11 pipers piping.
But have you heard "The 13 Bugs of Christmas?"
Back in 2010, Extension apiculturist Eric Mussen of the UC Davis Department of Entomology (now the UC Davis Department of Entomology and Nematology) and yours truly came up with a song about "The 13 Bugs of Christmas." Presented at the Department of Entomology's holiday party, it drew roaring applause. Then U.S. News featured it when reporter Paul Bedard picked it up.
It's still making the rounds, via tweets.
"The 13 Bugs of Christmas" is about a psyllid in a pear tree, six lice a'laying, 10 locusts leaping and 11 queen bees piping. Beekeepers know that distinctive sound of a queen bee piping.
"We attempted to keep the wording as close as possible for ‘The 12 Bugs of Christmas' and then we opted to spotlight some new agricultural pests in the next stanza," said Mussen, an Extension apiculturist with the department since 1976 who writes the bimonthly from the UC apiaries newsletter. He will be retiring in June 2014.
On the first day of Christmas, my true love gave to me, a psyllid in a pear tree.
On the second day of Christmas, my true love gave to me, two tortoises beetles and a psyllid in a pear tree
On the third day of Christmas, my true love gave to me, three French flies, two tortoise beetles and a psyllid in a pear tree
On the fourth day of Christmas, my true love gave to me, four calling cicadas, three French flies, two tortoise beetles and a psyllid in a pear tree
On the fifth day of Christmas, my true love gave to me five golden bees, four calling cicadas, three French flies, two tortoise beetles and a psyllid in a pear tree
On the sixth day of Christmas, my true love gave to me six lice a'laying, five golden bees, four calling cicadas, three French flies, two tortoise beetles and a psyllid in a pear tree
On the seventh day of Christmas, my true love gave to me seven boatmen swimming, six lice a'laying, five golden bees, four calling cicadas, three French flies, two tortoise beetles and a psyllid in a pear tree
On the eighth day of Christmas, my true love gave to me eight ants a'milking, seven boatmen swimming, six lice a'laying, five golden bees, four calling cicadas, three French flies, two tortoise beetles and a psyllid in a pear tree
On the ninth day of Christmas, my true love gave to me nine mayflies dancing, eight ants a'milking, seven boatmen swimming, six lice a'laying, five golden bees, four calling cicadas, three French flies, two tortoise beetles and a psyllid in a pear tree
On the tenth day of Christmas, my true love gave to me 10 locusts leaping, nine mayflies dancing, eight ants a'milking, seven boatmen swimming, six lice a'laying, five golden bees, four calling cicadas, three French flies, two tortoise beetles and a psyllid in a pear tree
On the 11th day of Christmas, my true love gave to me 11 queen bees piping, 10 locusts leaping, nine mayflies dancing, eight ants a'milking, seven boatmen swimming, six lice a'laying, five golden bees, four calling cicadas, three French flies, two tortoise beetles and a psyllid in a pear tree
On the 12th day of Christmas, my true love gave to me 12 deathwatch beetles drumming, 11 queen bees piping, 10 locusts leaping, nine mayflies dancing, eight ants a'milking, seven boatmen swimming, six lice a'laying, five golden bees, four calling cicadas, three French flies, two tortoise beetles and a psyllid in a pear tree
Knowing the agony that Californians experience with the seemingly unending flood of pests, Mussen felt it "bugworthy" to add this verse:
"On the 13th day of Christmas, Californians woke to see: 13 Kaphra beetles, 12 Diaprepes weevils, 11 citrus psyllids, 10 Tropilaelaps clareae, nine melon fruitflies, eight Aedes aegypti, seven ash tree borers, six spotted-wing Drosophila, five gypsy moths, four Japanese beetles, three imported fire ants, two brown apple moths, and a medfly in a pear tree."
Mussen noted that "Tropilaelaps clareae" is a honey bee mite from Asia, as is the well-known Varroa mite (Varroa destructor), which was first detected in the United States (Wisconsin) in 1987 and is now beekeepers' No. 1 problem.
It's unlikely, however, that "Tropilaelaps clareae" and "Varroa destructor" will become part of any other Christmas song...but you never know...
A golden bee (Italian). (Photo by Kathy Keatley Garvey)
Extension apiculturist Eric Mussen of the UC Davis Department of Entomology and Nematology recognized it right away. He's seen or heard of many a wood duck box taken over by honey bees looking for a suitable home.
It's enough to drive the duck enthusiasts quackers.
The question came up again this week, as it periodically does. Someone asked him: "How do you keep wood duck boxes for their intended purpose?" Mussen's observations are worth repeating.
"Years ago I spent some time with a UC Davis student trying to find ways to dissuade honey bees from nesting in wood duck boxes," Mussen recalled. "They had found one box in which the female duck refused to go, so the bees built their combs right down over and around her, killing her. We tried to prevent the bees from being able to grip the top of the box, where they connect their downward-hanging combs. The Teflon tape that we used prevented them from starting at the top and building down. But, they started on the wall at a corner, build some comb up against the Teflon--yes, beeswax sticks to Teflon--then built the combs down. The stickum on the Teflon tape wasn’t good enough to keep the combs stuck to the top, so the whole thing eventually collapsed in a heap."
"We tried Insectape strips (produced by Rainbow Technology) that were supposed to repel bees and wasps from building in electric boxes. We poured the artificial 'swarms' into the boxes to see if they would be driven out by the pesticide strip. It killed them--they didn’t leave. The strips might repel a real swarm under natural conditions, but that is not how we tested it."
"It would be pretty hard to determine where the swarms originate. Right around swarm time is when many beekeepers are looking for suitable locations to build up their colonies and make 'splits.' The bees need a good supply of food for building up, and beekeepers may be moving their bees close to wood duck nesting areas for the spring nectar and pollens."
One option is placing bee boxes near the wood duck boxes to trap honey bee swarms, "especially of the boxes contain some previously used combs."
"There also is a honey bee attractant--pheromone--that can be purchased from beekeeping supply companies to entice the bees into the trap box," Mussen says. "For whatever reason, the trap hives work best at about nine feet off the ground. Some of the beekeeping supply companies also offer what look like really large flower pots with a cover. They are made of some sort of wood pulp--so they don’t really look like bee boxes. By opening a quarter-sized hole in the narrow end, the pots can be put out as trap hives and work pretty well. Despite your best intentions, however, some of the swarms just ignore the trap hives and go somewhere else. So, some will end up in the duck boxes, anyway."
What to do? Visit the wood duck boxes frequently to remove the bees before they accomplish much. "Unfortunately, once they have built some comb in the box," Mussen says, "the odor makes the box much more attractive to the next swarm."
Another issue: some folks troubled by the declining bee population insist on letting honey bees be. "We have become 'blessed' with an increasing number of individuals who believe that honey bees should be left to their own devices, to do whatever happens," he says.
So, to all those folks wanting to retain wood duck boxes for ducks, Mussen says to engage in periodic monitoring to help out their feathered, webbed buddies. That includes removing the bees.
Mussen didn't say this, but I think he meant that you don't have to get up at the "quack of dawn" to do it.
This wood duck box is being used as a bee hive in The Bee Sanctuary on the UC Davis campus. Examining it is Derek Downey who directs The Bee Collective and The Bee Sanctuary. (Photo by Kathy Keatley Garvey)