- Author: Kathy Keatley Garvey
The Equity in Science, Technology, Engineering, Math and Entrepreneurship (ESTEME) facilitates the after-school science program for middle school students.
The students, representing fifth to eighth grades, and ranging in age from 10 to 14, learned about insect science, the importance of insect collections, and played “Bug Bingo.”
In Bug Bingo, the students answered such questions as:
- A bug that eats other bugs
- A bug that migrates
- A bug that lives in water
- A bug that is hairy
- A bug that is a pest
- A bug that you think looks silly
- A bug that is a pollinator
- Two bugs that look alike
- A bug you don't like
“Once they got Bingo, they won a prize,” Edwards said.
Each student also "invented" a bug, pinned it with toothpicks, and labeled it. Edwards and Lippey also shared insect collections borrowed from the Bohart Museum of Entomology, home of eight million insect specimens.
Edwards studies with medical entomologist-geneticist Geoffrey Attardo, associate professor of entomology, while Lippey's major professors are insect ecologist Jay Rosenheim, UC Davis distinguished professor, and urban landscape entomologist Emily Meineke, assistant professor.
ESTEME, established in 2017, is sponsored by the UC Davis Student Recruitment and Retention Center and the UC Davis College of Biological Sciences' Initiative. Diversity, Equity and Justice (DEIJ Grant.
CC Edwards. In her graduate studies, Edwards investigates the physiological mechanisms underlying pyrethroid resistance in Aedes aegypti, the yellow fever mosquito. She was a McNair scholar at Baylor University, where she completed her undergraduate degree in cell and molecular biology in May 2021. "I got interested in the mosquito field through my undergraduate research of studying the sensory and oviposition responses of Aedes aegypti in relation to the compound geosmin," she says on the Attardo lab website. "I went on to do my masters at Texas Tech University under the advisement of Dr. Corey Brelsfoard. I graduated in the summer of 2023. I investigated the effects of microplastics in relation to the mosquitoes Aedes aegypti and Aedes albopictus (the Asian tiger mosquito)."
"Though my research interests are broad," Lippey writes, "they generally center around the complexity of global change ecology and how insect interactions have responded to a rapidly changing world in the Anthropocene. I'm specifically intrigued by changes in ecological processes over various spatial and temporal scales, and how multiple simultaneous spatial and temporal dynamics further complicate the changes we observe across insects."
In her graduate studies, Lippey is exploring "insect responses to interactions between multiple global change drivers such as land use change (agricultural intensification and urbanization) and other anthropogenic drivers like warming climate, extreme climate events, and pesticide use."
Lippey was recently featured in a UC Davis article titled "Scientists and Their Science Tattoos" in which UC Davis professors and graduate students shared their tattoos with science news intern Malia Reiss of UC Davis Strategic Communications. Lippey's tattoos include Japanese rhinoceros beetles, a centipede, backwimmer, Madagascar hissing cockroach, cicada (emerging), a worm and a Darwin moth. "I did the worm myself," she said.
- Author: Kathy Keatley Garvey
The event begins at 5:45 with pizza and continues until 7 p.m.
Presenting their work are:
- Jasen Liu of the Santiago Ramírez lab, a member of the Graduate Group in Population Biology, who will discuss “Evolution of Floral Volatile Composite Across a Specialized Pollination System”
- Ashley Grupenhoff of the Hugh Safford lab, a member of the Graduate Group in Ecology, whose topic is “Plant Community Response to Increased Fire Frequency in Northern California Chaparral”
- Reed Kenny of the Dan Potter lab, a member of the Graduate Group in Ecology, who will cover "A Phylogenetic Analysis of the Placement of Juncus Sections Caespitosi and Graminifolii"
Jasen Liu. "Jasen went to UC Santa Barbara for his undergraduate studies, where he worked in the Mazer and Hodges labs studying mating system evolution and variation in floral pigmentation, both within and across species. He is fascinated by floral evolution, particularly through the lens of plant-pollinator interactions, and joined the Ramirez lab in 2019 through the Population Biology graduate group. Jasen is interested in investigating macroevolutionary patterns of scent production in euglossine-pollinated plants, in addition to the role of microevolutionary processes on generating reproductive isolation."
Ashley Grupenhoff. "Ashley's research is aimed at examining the consequences of altered disturbance regimes on species composition and ecosystem function. She is particularly interested in the effects of prescribed fire in shaping plant species, populations, and communities and is currently working with CalFire to implement a long-term monitoring program of prescribed fire in California. Before coming to Davis, she has conducted fieldwork across multiple taxa in Ecuador, American Samoa, and the western United States. Ashley obtained her BS in Biology at Virginia Commonwealth University."
Reed Kenny. "I am broadly interested in plant evolution and biodiversity. My past work has focused on plant taxonomy and floristics. My current interests are in the systematics of the genus Juncus. My ongoing projects include using molecular systematics to confirm the non-monophyly of the genus, resolve subgeneric relationships and study biogeographic patterns in the genus."
The Davis Botanical Society awards research grants to graduate and undergraduate students at UC Davis to help defray the expenses of independent study or other research projects. The student projects are field-oriented and related to plant taxonomy or plant evolutionary biology and ecology. A previous recipient was Shawn Christensen of the Rachel Vannette lab, UC Davis Department of Entomology and Nematology.
The Davis Botanical Society is the support organization for the UC Davis Center for Plant Diversity and Botanical Conservatory. Membership includes subscription to the semi-annual newsletter, Lasthenia, as well as invitations to talks, field trips, and other events.
For more information, contact the Center for Plant Diversity Herbarium at (530) 752-1091 or Teri Barry, collections manager, at tcbarry@ucdavis.edu.
- Author: Kathy Keatley Garvey
For three hours, six UC Davis doctoral students discussed their research and fielded questions from the 270-plus guests, ranging from pre-kindergarten students to senior citizens. The event, free and family friendly, followed the theme, "Time Flies When You Are Studying Insects: Cutting Edge Student Research."
Doctoral students who showcased their research were:
- Entomologist Yao Cai of the Joanna Chiu lab, UC Davis Department of Entomology and Nematology.
Cai, a fourth-year doctoral student, studies circadian clock in insects. “Using Drosophila melanogaster (fruit fly) and Danaus plexippus (monarch butterfly), as models, we seek to understand how these insects receive environmental time cues and tell time, how they organize their daily rhythms in physiology and behavior, such as feeding, sleep and migration (in monarch butterfly),” he said. Assisting him were Nitrol Liu, a graduate student in the Chiu lab, and associate Ben Kunimoto, a Davis Senior High School student. - Entomologist Charlotte Herbert Alberts, who studies assassin flies (also known as robber flies) with major professor Lynn Kimsey, director of the Bohart Museum of Entomology and professor of entomology.
“Assassin flies are voracious predators on other insects and are able to overcome prey much larger than themselves,” said Alberts, a fifth-year doctoral student. “Both adult and larval assassin flies are venomous. Their venom consists of neurotoxins that paralyze their prey, and digestive enzymes that allow assassin flies to consume their prey in a liquid form. These flies are incredibly diverse, ranging in size from 5-60mm, and can be found all over the world! With over 7,500 species, Asilidae is the third most specious family of flies. Despite assassin flies being very common, most people do not even know of their existence. This may be due to their impressive ability to mimic other insects, mainly wasps, and bees.” - Entomologist-ant specialist Zachary Griebenow of the Phil Ward lab, UC Davis Department of Entomology and Nematology.
Griebenow, a third-year doctoral student, showed specimens of the ant subfamily Leptanillinae, most of them male. He emphasized the great morphological diversity observed in males and talked about his systematic revision of the subfamily. In particular, he explained "how the study of an extremely obscure group of ants can help us understand the process of evolution that has given rise to all organisms." - Forest entomologist Crystal Homicz, who studies with Joanna Chiu and research forest entomologist Chris Fettig, Pacific Southwest Research Station, USDA Forest Service, Davis. (She formerly studied with the late Steve Seybold of USDA Forest Service and the Department of Entomology and Nematology.)
"Bark beetles are an incredibly important feature of forests, especially as disturbance agents," said Homicz, a first-year doctoral student. Her research focuses on how bark beetles and fire interact, "given that these are the two most important disturbance agents of the Sierra Nevada." She discussed how the interaction between bark beetles and fire, why bark beetles and fire are important feature of our forest ecosystem. She also discussed more generally "the importance of bark beetles in many forest systems throughout North America." Assisting at her table: Gabe Foote, a new first-year doctoral student in forest entomology. - Forensic entomologist Alexander Dedmon, who studies with Robert Kimsey, UC Davis Department of Entomology and Nematology.
"My research focuses on insect succession," said Dedmon, a fifth-year doctoral student. "In forensic entomology, succession uses the patterns of insects that come and go from a body. These patterns help us estimate how long a person has been dead." Visitors learned about "the many different ways insects can be used as evidence, and what that evidence tells us." - Ecologist Ann Holmes, affiliated with the Graduate Group in Ecology, Department of Animal Science, and the Genomic Variation Laboratory, studies with major professors Andrea Schreier and Mandi Finger.
Holmes, a fourth-year doctoral student, talked about her research project that looks at insects eaten by bats in the Yolo Bypass. "The insects eat crops such as rice, so bats provide a valuable service to farmers," she explained. "Hungry bats can eat as much as their own body weight in insects each night." Visitors learned how DNA is used to detect insects in bat guano (poop). "Insects in bat poop are hard to identify because they have been digested, but I can use DNA to determine which insects are there. We care about which insects bats eat because bats are natural pest controllers. With plenty of bats we can use less pesticide on farms and less mosquito repellent on ourselves."
Entomologist Jeff Smith, curator of the Lepidoptera (butterflies and moths) section, and Bohart associate and naturalist Greg Kareofelas showed part of the Lepidoptera collection, which totals nearly 500,000 specimens. UC Davis entomologist graduate Ann Kau staffed the craft activity table--rock painting. The rocks, mostly insect-themed, will be hidden on campus. Undergraduate student Ian Clark displayed the critters in the live "petting zoo," including Madagascar hissing cockroaches, walking sticks and tarantulas. (Photos in the next Bug Squad blog). Tabatha Yang, education and outreach coordinator, organized a scavenger hunt featuring questions and clues about insects.
The Bohart Museum, directed by entomology professor Lynn Kimsey and founded by noted entomologist Richard M. Bohart (1913-2007), houses a global collection of nearly eight million specimens. It is also the home of the seventh largest insect collection in North America, and the California Insect Survey, a storehouse of insect biodiversity.
The insect museum is open to the public Mondays through Thursdays from 9 a.m. to noon and 1 to 5 p.m., except on holidays. More information on the Bohart Museum is available on the website at http://bohart.ucdavis.edu or by contacting (530) 752-0493 or bmuseum@ucdavis.edu.
Meanwhile, UC Davis is gearing up for its ninth annual Biodiversity Museum Day on Saturday, Feb. 15, featuring 13 museums or collections. Free and family friendly, the event is a science-based day at which visitors of all ages can meet and talk with UC Davis scientists—from undergraduates to staff to emeriti professors, coordinator Tabatha Yang of the Bohart Museum said.
- Author: Kathy Keatley Garvey
Take the case of a male monarch reared, released and tagged by Steven Johnson in a Washington State University citizen-science project operated by WSU entomologist David James. Johnson tagged and released the monarch on Sunday, Aug. 28, 2016 in Ashland, Ore. Seven days later, on Sept. 5, it fluttered into our family's backyard pollinator garden in Vacaville, Calif., where we photographed it.
"So, assuming it didn't travel much on the day you saw it, it flew 285 miles in 7 days or about 40.7 miles per day," James said. "Pretty amazing." (See Bug Squad blog)
But how do monarchs know when to migrate? You can find out when you attend the UC Davis Bohart Museum of Entomology open house on Saturday, Jan. 18 from 1 to 4 p.m. in Room 1124 of the Academic Surge Building, Crocker Lane.
Doctoral student Yao Cai, a fourth-year doctoral student in the Joanna Chiu lab who studies circadian clocks in insects, will relate how monarchs know when to migrate. “Using Drosophila melanogaster (fruit fly) and Danaus plexippus (monarch butterfly), as models, we seek to understand how these insects receive environmental time cues and tell time, how they organize their daily rhythms in physiology and behavior, such as feeding, sleep and migration (in monarch butterfly)," he says.
Cai is one of six doctoral students who will be showcasing their research. The event is free and family friendly.
Visitors not only will have the opportunity to talk to graduate students about their research and glean information about insects, but will be able see their work through a microscope. In fact, eight microscopes will be set up, Yang said.
In addition to Cai, doctoral students participating and their topics:
Ants: Zachary Griebenow of the Phil Ward lab, UC Davis Department of Entomology and Nematology
Assassin flies: Charlotte Herbert Alberts, who studies with major professor Lynn Kimsey, director of the Bohart Museum, UC Davis Department of Entomology and Nematology
Bats (what insects they eat): Ecologist Ann Holmes of the Graduate Group in Ecology, Department of Animal Science, and the Genomic Variation Laboratory, who studies with major professors Andrea Schreier and Mandi Finger.
Bark Beetles: Crystal Homicz. who studies with Joanna Chiu, UC Davis Department of Entomology and Nematology and research forest entomologist Chris Fettig, Pacific Southwest Research Station, USDA Forest Service, Davis.
Forensic entomology: Alexander Dedmon, who studies with Robert Kimsey, UC Davis Department of Entomology and Nematology
Some doctoral students also will deliver PowerPoint presentations or show slides. The projects:
Bark Beetles
“Did you know that between 1987 and 2017 bark beetles were responsible for more tree death than wildfire?” asks Crystal Homicz, a first-year doctoral student. “Bark beetles are an incredibly important feature of forests, especially as disturbance agents. My research focuses on how bark beetles and fire interact, given that these are the two most important disturbance agents of the Sierra Nevada. At my table, I will discuss how the interaction between bark beetles and fire, why bark beetles and fire are important feature of our forest ecosystem, and I will discuss more generally the importance of bark beetles in many forest systems throughout North America.
“I will have several wood samples, insect specimens and photographs to display what bark beetle damage looks like, and the landscape level effects bark beetles have. I will also have samples of wood damage caused by other wood boring beetles and insects. My table will focus widely on the subject of forest entomology and extend beyond beetle-fire interactions.”
Visitors, she said, can expect to leave with a clear understanding of what bark beetles are and what they do, as well as a deeper understanding of the importance of disturbance ecology in our temperate forests.
Assassin Flies
Charlotte Alberts, a fifth-year doctoral candidate, will display assassin flies and their relatives, as well as examples of prey they eat and/or mimic. Visitors can expect to learn about basic assassin fly ecology and evolution. Alberts studies the evolution of assassin flies (Diptera: Asilidae) and their relatives.
“Assassin flies are voracious predators on other insects and are able to overcome prey much larger than themselves,” she said. “Both adult and larval assassin flies are venomous. Their venom consists of neurotoxins that paralyze their prey, and digestive enzymes that allow assassin flies to consume their prey in a liquid form. These flies are incredibly diverse, ranging in size from 5-60mm, and can be found all over the world! With over 7,500 species, Asilidae is the third most specious family of flies. Despite assassin flies being very common, most people do not even know of their existence. This may be due to their impressive ability to mimic other insects, mainly wasps, and bees.”
For her thesis, she is trying to resolve the phylogenetic relationships of Asiloidea (Asilidae and their relatives) using Ultra Conserved Elements (UCEs), and morphology. "I am also interested in evolutionary trends of prey specificity within Asilidae, which may be one of the major driving forces leading to this family's diversity."
Bats
Ecologist Ann Holmes, a fourth-year doctoral student, is studying what insects that bats eat. "I will be talking about my research project that looks at insects eaten by bats in the Yolo Bypass. The insects eat crops such as rice, so bats provide a valuable service to farmers. Hungry bats can eat as much as their own body weight in insects each night."
"Visitors can expect to learn how DNA is used to detect insects in bat guano (poop)." "Insects in bat poop are hard to identify because they have been digested, but I can use DNA to determine which insects are there," she said. "We care about which insects bats eat because bats are natural pest controllers. With plenty of bats we can use less pesticide on farms and less mosquito repellent on ourselves."
Ants
Zachary Griebenow, a third-year doctoral student, will be showcasing or discussing specimens of the ant subfamily Leptanillinae, most of them male. “I will be showing specimens of the Leptanillinae under the microscope, emphasizing the great morphological diversity observed in males and talking about my systematic revision of the subfamily," he said. "In particular, I want to explain how the study of an extremely obscure group of ants can help us understand the process of evolution that has given rise to all organisms."
Forensic Entomology
Forensic entomologist Alex Dedmon, a sixth-year doctoral student, will display tools and text and explain what forensic entomology is all about. "My research focuses on insect succession. In forensic entomology, succession uses the patterns of insects that come and go from a body. These patterns help us estimate how long a person has been dead. Visitors can expect to learn about the many different ways insects can be used as evidence, and what that evidence tells us."
Other Open House Activities
The family craft activity will be painting rocks, which can be taken home or hidden around campus. "Hopefully some kind words on rocks found by random strangers can also make for a kinder better future,” said Yang.
In addition to meeting and chatting with the researchers, visitors can see insect specimens (including butterflies and moths), meet the critters in the live “petting zoo” (including Madagascar hissing cockroaches, walking sticks and tarantulas) and browse the gift shop, containing books, insect-themed t-shirts and sweatshirts, jewelry, insect-collecting equipment and insect-themed candy.
The Bohart Museum, directed by Professor Lynn Kimsey and founded by noted entomologist Richard M. Bohart (1913-2007), houses a global collection of nearly eight million specimens. It is also the home of the seventh largest insect collection in North America, and the California Insect Survey, a storehouse of insect biodiversity.
The insect museum is open to the public Mondays through Thursdays from 9 a.m. to noon and 1 to 5 p.m., except on holidays. More information on the Bohart Museum is available on the website at http://bohart.ucdavis.edu or by contacting (530) 752-0493 or bmuseum@ucdavis.edu.