Posts Tagged: soapberry bug
Dingle, an emeritus professor in the UC Davis Department of Entomology, recently returned to Davis after living in Australia for seven years and doing research at the University of Brisbane, Australia.
One: He's writing the second edition of his popular textbook, Migration: The Biology of Life on the Move (Oxford University Press).
Two: He's delivering lectures at UC Davis.
Three: He's granted interviews for such publications as National Geographic and LiveScience.
And, four....he continues to chase soapberry bugs.
Next? Hugh Dingle will lecture on "Crossing Taxonomic Lines to Study of Migratory Patterns,” at 1:30 p.m., Friday, March 4 in 113 Hoagland Hall (note: this is a change from the initial location).
It's the last of a nine-part series on "Frontiers in Physiology" hosted by the Department of Neurobiology, Physiology and Behavior. It will be podcast and archived on the UC Davis Department of Entomology website.
The underlying theme of Dingle's research is to understand relationships between migration and evolution of life histories. One of his many studies has focused on the rapid, contemporary evolution of the soapberry bug, Jadera hematoloma, and an introduced host plant, the golden raintree, Koelreuteria paniculata.
“Selection experiments were designed to determine genetic relationships across evolving traits (anatomical structures) required for feeding and flight, both necessary for migration,” according to a spokesperson for Frontiers in Physiology. “Dingle stands alone in his interests and academic pursuits of understanding the comparative biology of migration.”
Dingle's work drew international, national and regional attention last November.
He was featured in the National Geographic magazine's cover story, "Mysteries of Great Migrations."
He was quoted in a LiveScience news story on “Why Do Animals Migrate?”
And also in November, Dingle lectured on "And the Beak Shall Inherit: Contemporary Local and Reverse Evolution in Morphology and Life History in American and Australian Soapberry Bugs" at a UC Davis Department of Entomology seminar. You can view his webcast linked on this page.
Seems that a portion of Dingle's book title, "...Life on the Move," fits him well, too.
Vacaville resident James Moehrke was out geocaching last weekend in the Vaca Valley Parkway-East Monte Vista Avenue area of the city when he spotted some red-shouldered black bugs.
"There were many clusters, probably thousands of individuals, in the trees and a few on the ground," he recalled. Some were on deciduous trees and others on evergreen trees.
What were they?
At first glance, they looked like boxelder bugs.
We asked Steve Heydon, senior museum scientist at the Bohart Museum of Entomology, to identify them.
"Soapberry bug or Jadera haematoloma," Heydon said.
They're a close relative of the boxelder bugs.
The soapberry bug is also known as "the red-shouldered bug" or the "golden raintree bug." It's mostly black except for the red eyes and red shoulders. The nympths are primarily red.
They're seed predators and often found on lychee, longan, maples and soapberry trees.
Biologist Scott Carroll, affiliated with the Sharon Lawler lab at the UC Davis Department of Entomology, researches the insects. He lectured on soapberry bugs at the 2007 meeting of the Entomological Society of America, describing them as "excellent organisms for studying responses to global change, evolution in action, ecological speciation, development and behavior."
Some of the fastest rates of evolution recorded are from this group as they have evolved new races on introduced host plants, Carroll told ESA.
The soapberry bugs fascinated Moehrke and his fellow geocaching players. He took time out to photograph them.
And yes, he found the treasure, the cache.
Along with lots of red-shouldered black bugs.