- Author: Lauren Fordyce
Check out UC IPM's new YouTube series IPM with Diego! These short videos are presented from the viewpoint of Diego, a teenager who is not an expert in pest management. However, he explains basic integrated pest management concepts using simple terms and examples that anyone can do.
The series currently includes four videos:
You can expect additional videos in the future, but until then, please share these videos with your friends, neighbors, customers, clients, and beyond.
Thanks for watching and be sure to follow us on social media to see the latest videos, news, and information from UC IPM: Instagram & Facebook.
![IPM with Diego graphic. IPM with Diego graphic.](http://ucanr.edu/blogs/UCIPMurbanpests/blogfiles/96628.png)
UCCE Stanislaus County Master Gardeners Rhonda Allen and Denise Godbout-Avant are looking forward to sharing their enthusiasm and knowledge about monarch butterflies with you!
Date: Tuesday, December 20, 2022
Time: 9:00 am – 10:30 am
Where: Online
Register: https://ucanr.edu/monarchs/2022/online
Link: you'll be sent a link to log in with before the class.
If you missed our planting and pruning Bare Root Fruit Trees Class, you can watch the recording on our UCCE Stanislaus County Master Gardener YouTube Channel. The class includes information on deciduous fruit trees, including apple, pear, cherry, nectarine, peach, plum, and apricot.
What about Citrus?
Citrus trees such as oranges, lemons, grapefruits and kumquats are evergreen trees and need different care than deciduous trees. Our program will offer an online class on March 22 on Caring for Citrus. Registration coming in early March 2022.
/h4>- Author: Kathy Keatley Garvey
And you'll see arthropods such as jumping spiders (family Salticidae) and scorpions (superfamily Scorpionoidea).
Who is Gwentomologist?
She's 21-year-old Gwendolyn “Gwen” Erdosh, a UC Davis entomology major and undergraduate researcher with 21,900 followers on Instagram, where she shares her fascination, passion and growing scientific knowledge of entomology with the intensity of a moth heading for light.
Erdosh, president of the UC Davis Entomology Club, a scholar in the campuswide Research Scholars Program in Insect Biology (RSPIB), the recipient of a Provost's Undergraduate Fellowship (PUF) research award, and a volunteer at the Bohart Museum of Entomology, brims with enthusiasm.
In a recent post, she related how she “raised this gorgeous female Hemileuca eglanterina (sheep moth) from a tiny caterpillar!! First time successfully rearing these species. I got a male and female, and I was hoping they'd mate but it never happened. Guess they didn't like each other. I have some eggs overwintering, and I hope they make it ‘til the spring!”
“The best way to see the adult is to rear caterpillars,” Gwen noted. “In the past, I attempted to rear the caterpillars and ran out of host plant. With no method of transportation to the high sierras, I had to give them rose leaves, which worked…until it didn't. They all got a disease and died. This time, I had tons of host plant, and was able to return to the mountains in my car to get more (they eat way more than you'd expect). I'm really happy that I was able to raise this species successfully, and hope to do it again next spring! The insect season is coming to a close, but certain species only come out around this time, so I'll be on the lookout.”
In another post, Gwen wrote that “Today I took on a difficult task: identifying a Chrysidid wasp to species! These colorful wasps are commonly known as cuckoo wasps. This is a specimen I collected on July 13 of this year, a few miles south of Lake Tahoe, at Carson Pass.
Gwen went on to describe the wasp as a nest parasite of sand wasps, and detail its characteristics. “The mesopleuron has a projecting lobe, the tegula (on top of thorax at base of wing) is subovoid, meaning it's fairly egg-shaped. The metanotal projection is large and #mucronate, meaning it ends abruptly in a sharp point, not an elongated point; the propodeal angle is shaped like an acute triangle. I was able to find the species by looking at the key combined with location records. Based on both sources of information, I concluded that my specimen was Parnopes edwardsii.”
“On my page, I mainly post my own macro-photographs with detailed captions about the featured insect,” Gwen explained. “My goal is to not only teach others, but also learn a lot myself. I also post fun and engaging videos to encourage others to pursue entomology. Many times, people have told me that my page helped them decide that they wanted to pursue entomology as a career! I love being able to spread the love of insects to others, and will continue to be active on my page.” Additionally, she maintains a YouTube account as “gwentomologist.”
A 2018 graduate of Los Gatos High School, Santa Clara County, and a UC Davis student since 2019, she anticipates receiving her bachelor's degree in 2023. In February 2020, she applied for—and was accepted—into the highly competitive RSPIB program, which aims to provide undergraduates with closely mentored research experiences in biology. She studies with community ecologist and professor Louie Yang, UC Davis Department of Entomology and Nematology, one of the three RSPIB founders.
Gwen's interest in entomology began with caterpillars.
“Ever since I can remember, I have always loved caterpillars,” Gwen said. “As a little kid, I would collect any caterpillar I saw and raise it to adulthood.” Amazed that a caterpillar could "magically change” into a moth or butterfly, she decided “to make a book matching every caterpillar to its adult. I did my own research online and in books I had, and soon was quite knowledgeable about Lepidoptera. The summer before 9th grade, I attended Bio Boot camp, the summer camp for kids led by the Bohart Museum, and Tabatha Yang (education and outreach coordinator). “This was the experience that led me to choose entomology as a career. During this camp, I learned everything about entomology and had a chance to meet real entomologists at UC Davis, and do field work. I fell in love with it and kept coming back each summer for the camp.”
Gwen started her own insect collection, inspired by Jeff Smith (curator of the Bohart Museum's Lepidoptera collection). “Since then, I have never doubted my decision to be an entomologist, not even once. My passion only grew once I entered college, and I consider entomology a lifelong journey of discovering everything about these beautiful, intricate, and fascinating creatures.”
“Gwen is one of those students who instantly shows you her enthusiasm and enjoyment of entomology," Smith said, "and it is just this kind of person who we hope will continue in this important field of science. For those of us looking ahead at the oncoming 'golden years' we need to ensure that there will be competent young scientists who will continue the research and who will discover so many more fascinating things about the world of ‘bugs.' Gwen clearly will be one of these, and I am proud to be associated with her.”
Following her UC Davis graduation, she plans “to work abroad for a year in South America doing research. I then want to apply for graduate school in the United States. I may decide to get my masters first in systematics, and then decide if I want to get my PhD in insect ecology or insect systematics. I cannot decide between the two. However, I definitely want to pursue a career as a professor and researcher.”
Some of her role models include Louie Yang, Lynn Kimsey (director of the Bohart Museum and a UC Davis distinguished professor), Greg Kareofelas (Bohart associate), Jason Bond (UC Davis spider specialist, professor and associate dean), and Jason Dombroskie (manager of the Cornell University Insect Collection and coordinator of the Insect Diagnostic Lab.)
“It is always great to see someone be able to pursue their passion and be successful,” Kareofelas said, adding that Gwen sometimes accompanies him on his many field trips and “she is always welcome. Her enthusiasm, knowledge and energy make these trips a memorable and learning event for both of us! Her photographic skills enable her to record the insects ‘in nature' and as a curated specimen. Her curated specimens are an example of how a collection should be made and how it should look.”
As a 15-year-old high school student, Gwen traveled to the Bohart Museum in 2016 for its annual Moth Night and conferred with many of the scientists.
At age 16, she served an entomology internship at Cornell University, where her work included identifying microlepidoptra in the family Tortricidae; sampling monarch butterflies for Ophryocystis elektroscirrha (OE) spores; catching and tagging the gray petaltail dragonfly (Petalurid) at a local state park; and collecting, identifying and presenting moths for a Moth Night program at the Roger Tory Peterson Institute of Natural History.
That was not her first internship. Gwen gained experience at a five-week internship in the summer of 2018 at the Monteverde Butterfly Gardens in Costa Rica, where she studied insects, conducted tours, and cared for the arthropods in the insectarium.
At age 12, while attending Bio Boot Camp, Gwen learned about the UC Davis Entomology Club, advised by forensic entomologist Robert Kimsey of the UC Davis Department of Entomology and Nematology. “It had always been my dream to be president one day. From the moment I entered UC Davis, I immersed myself in the club, and became extremely active in it.” She attends all the meetings and field trips; the members now include some of her closest friends. Before advancing to president this year, she served as vice president in 2020 and social media coordinator in 2019.
“I'm super passionate about the club,” Gwen acknowledged. “In fact, it's my favorite time of the week during the quarter. The people in the club are absolutely incredible, and we all inspire each other in so many different ways. I feel so grateful that this organization exists at UC Davis, and I'm glad I have a team of officers that really put in the work to make it an inclusive, fun, and educational environment for anyone who wants to join.”
In addition, Gwen is vice president of the UC Davis STEM Careers Club, booking speakers, and inspiring students to enter the fields of science, technology, engineering and mathematics. She has also worked as a youth steward for Grassroots Ecology of Central California (removing invasive plants, planting native grasses and trees, and surveying mammals and birds using a motion-activated camera); and as a volunteer counselor at the Walden West Summer Camp, a nature summer camp for elementary-school age youths.
Although sometimes mistaken for a teenager--“I look young for my age and I'm 5' 1”--Gwen doesn't let that stop her. “I now have accepted who I am and I do not let what others think of me affect me or my goals. I am glad that I am unique!”
Tabatha Yang of the Bohart Museum, coordinator of the Bio Boot camps, remembers Gwen as passionate about entomology when she first enrolled as a middle-school student. "She was an enthusiastic camper with applications that were passionate about insects and insect rearing. We were thrilled when she chose to come to UC Davis for entomology. It doesn't surprise me that she is now president of the entomology club."
Gwen's hobbies and interests closely align with her career plans. They include collecting, photographing, and pinning insects; exploring and observing wildlife; traveling; creating art; producing music on FL Studio (digital audio workstation); and spending time with her friends—two-legged friends (people), six-legged friends (insects) and eight-legged friends (arachnids).
Gwendolyn Erdosh, Gwentomologist.
![Gwen Erdosh volunteering at a Bohart Museum of Entomology open house in 2019, the year she enrolled as an entomology major. (Photo by Kathy Keatley Garvey) Gwen Erdosh volunteering at a Bohart Museum of Entomology open house in 2019, the year she enrolled as an entomology major. (Photo by Kathy Keatley Garvey)](/blogs/blogcore/blogfiles/87863.jpg)
![Gwen Erdosh chats with Bohart Museum of Entomology associate Greg Karofelas (left) at a 2019 Bohart Museum open house. (Photo by Kathy Keatley Garvey) Gwen Erdosh chats with Bohart Museum of Entomology associate Greg Karofelas (left) at a 2019 Bohart Museum open house. (Photo by Kathy Keatley Garvey)](/blogs/blogcore/blogfiles/87864.jpg)
![UC Davis alumnus and entomologist Norman Smith of San Luis Obispo answers a question from aspiring entomologist Gwen Erdosh, age 15, then a student at Los Gatos High School, at a Bohart Museum of Entomology Moth Night. (Photo by Kathy Keatley Garvey) UC Davis alumnus and entomologist Norman Smith of San Luis Obispo answers a question from aspiring entomologist Gwen Erdosh, age 15, then a student at Los Gatos High School, at a Bohart Museum of Entomology Moth Night. (Photo by Kathy Keatley Garvey)](/blogs/blogcore/blogfiles/87870.jpg)
- Author: Kathy Keatley Garvey
So began noted neuroscientist John Hildebrand in his keynote speech heralding the opening of the first-of-its kind international olfaction/taste symposium. Hildebrand is the Honors Professor and Regents Professor at the University of Arizona and the International Secretary of the National Academy of Sciences.
UC Davis distinguished professor Walter Leal coordinated and co-hosted the Zoom symposium, titled “Insect Olfaction and Taste in 24 Hours Around the Globe.” The free event drew attendees from 66 countries.
The presentations, which began at 9 a.m., Pacific Daylight Time (PDT), Wednesday, Aug. 11, were uploaded to YouTube. All ten videos from the symposium are now online:
- Video One is at https://youtu.be/QlyNCZtSvtY
- Video Two is at https://youtu.be/-aO8-1yfQRI
- Video Three is at https://youtu.be/2SsQvYlXKXY
- Video Four is at https://youtu.be/hmmEac7MliI
- Video Five is at https://youtu.be/60D99Z6nJI8
- Video Six is at https://youtu.be/rZ7i4d7VogQ
- Video Seven is at https://youtu.be/19ukK_R7eKE
- Video Eight is at youtu.be/eROTKZFhu9w
- Video Nine is at https://youtu.be/uVrESHyAyvU
- Video Ten is at https://youtu.be/-XUuKGYbByc
"As an undergraduate student, I started in research working on bacteria in the laboratory of the biochemist John Law," he related. "At that time he was beginning to redirect his research to problems in insect biochemistry and among other projects; he was collaborating with the biologist E. O. Wilson in studies of ant pheromones. The term pheromone had been invented only three years earlier in 1959 in Germany by Peter Carlson and Martin Luther, and in that same year another German out of Bhutan and his group had reported the first chemical identification of an insect pheromone."
That was the silk moth pheromone, Bombykol, released by the female silkworm moth (Bombyx mori) to attract mates.
The rest, they say, is history. Insect history.
The symposium included 15 invited (keynote) and 36 contribution presentations,” said Leal, a UC Davis distinguished professor with the Department of Molecular and Cellular Biology and a former chair of the Department of Entomology (now the Department of Entomology and Nematology). Leal hosted the PDT segment. Wynand van der Goes van Naters of Cardiff University, UK, hosted the British Summer Time (BST) segment; and Coral Warr of La Trobe University, Australia hosted the Australia Eastern Standard Time (AEST) segment.
The presentations covered a wide variety of insects, including three species of mosquitoes (Culex, Aedes and Anopheles); honey bee (Apis mellifera); fruit flies (Drosophila melanogaster, Drosophila sechellia, and Drosophila suzukii); sand flies (the blood-sucking dipteran flies); cotton bollworm (Helicoverpa armigera); housefly (Musca domestica); cabbage butterfly (Pieris rapae); and the American cockroach (Periplaneta americana).
Some statistics:
- Total users (including those logging in periodically): 2,990
- 71 percent of the attendees surveyed said they were "very satisfied" with the symposium, and 12 percent "satisfied."
- 54 percent of the surveyed attendees had never attended a conference on chemosensation.
"One of the highlights of the symposium was the participation of students and postdocs who showcased their work and announced at the end, that they will be looking for a position," Leal said. "Other professors, at the end of their talks, advertised vacancies in their lab. I had asked all presenters to share some new data. In fact, many presenters showed unpublished data, while others showed data that they had already submitted to BioRxiv, a non-peer reviewed pre-print server."
At the closing, Leal selected two persons to give their impressions of the symposium:
- See opinion by Greg Pask, an assistant professor of biology at Middlebury College, Vermont: https://twitter.com/wsleal2014/status/1427040189147275271.
- See comments by Nathalia Brito, who just completed her Ph.D. at the Federal University of Rio de Janeiro: https://twitter.com/wsleal2014/status/1427431406527934490
- "I used to work in the field of insect taste and olfaction and have attended a couple of ESITO meetings (European Symposium for Insect Taste and Olfaction) when I was a grad student and in early days as a postdoc. This was a wonderful opportunity to see that latest advances in the field and see many of the people whom I had met in person talk and some new people."
- "Thank you to the organizers for coordinating such an informative and well run virtual event."
- "Great collegial and convivial atmosphere. Really good idea to have a commentary on the lectures."
- "I am working on bark beetle olfaction, so I am available in the future with this topic. Thank you."
- "I learnt a lot from different groups especially disease vectors. It was a privilege to listen to some of the big names in this area. Looking forward to a future meeting."
- "I would like say the heartiest thanks to everyone who worked on this webinar. I am doing research for more than 10 years and I never experienced such a wonderful scientific event. What you have done can not be appreciated by words."
- "Undoubtedly, this is the best symposium I have ever attended to. I was able to join with almost every presentation. As an early-career researcher in chemical ecology, this inspired me a lot. Hope to present in this meeting and getting to know great scientists in the future. Hats off to the organisers. Thank you."
- "Thank you for organizing! I only wish there were more detailed times for each presentation so I could be sure to tune in for specific talks, but this is a great concept!"
The detailed schedule of times and speakers was purposely not announced in advance "in order to keep attendance high when students, postdocs, and early-career scholars presented," Leal said, adding "I enjoyed listening to the student/early-career researchers talks. All of them were very interesting and well executed."
For more information and updates, follow Walter Leal on Twitter at @wsleal2014 or access his biochemistry channel where all the videos will be posted. Folks can also turn on YouTube and Chrome browser notifications to receive alerts.