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Biological Protection and Management Lab
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A lab studying how alien insects become pests and the parasitoid wasps that can be used to control them.
AboutAbout the lab
Exploring how alien insects become pests
The lab studies how alien insects become pests in new locations, and how to control them.
It also works on assessing the impact of invading organisms on other organisms and ecosystems, plant quarantine technologies to prevent invasions, and the development of control methods for invasive pests.
It also studies the behavior and ecology of parasitoid wasps, which are especially useful natural enemies for controlling invasive pests, and how to use them.
Besides Japan, the lab conducts field surveys and laboratory experiments in Southeast Asia, Africa, and the United States.
Key terms
- Parasitoid wasp
- A wasp that develops by parasitizing other insects and the like. It lives parasitically during the egg and larval stages, while the adult lives freely.
- Cryptic species
- Lineages that cannot be distinguished by appearance but are found to differ substantially when their genes are examined.
- Host recognition
- The process by which an egg parasitoid thoroughly examines an egg it encounters with its antennae and decides whether to lay eggs.
ResearchResearch themes
The lab investigates how alien insects erupt in new places and become pests, as well as the behavior and ecology of parasitoid wasps useful for controlling them. In addition to Japan, it carries out field surveys and laboratory experiments in Southeast Asia, Africa, and the United States.
*Illustrative imageEcology of invasive pests
The lab investigates how alien insects erupt in new places and become pests, in order to prevent their spread and control them. A leaf beetle that damages coconut palms (Japanese name: Kimune-kuronaga-hamushi) includes two lineages of cryptic species that cannot be told apart by appearance.
*Illustrative imageBehavior and ecology of parasitoid wasps as natural enemies
The lab investigates the life history and reproductive traits of parasitoid wasps, clarifies their adaptive significance and evolution, and aims to use them for purposes such as biological control. It also studies host recognition, the process by which egg parasitoids decide whether to lay eggs.
*Illustrative imageOdor detection using parasitoid wasps
Many parasitoid wasps can learn odors, shapes, and colors, and can detect odors at extremely low concentrations. The lab aims to use this learning ability for odor detection, using wasps in place of police dogs and narcotics detection dogs.
MembersFaculty
The lab's members consist of faculty and master's students.
- ProfessorKeiji Takasu
- Assistant ProfessorShun'ichiro Takano
VoicesStudent voices
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Report an errorAbout the images
The top and research theme images are illustrative and were not taken at the lab. They are cropped from Wikimedia Commons images. Cropped CC BY-SA images are provided under the same CC BY-SA license as the original (version shown on each line).
- Top image: “APHIS-Moore Air Base in Texas-Plant Protection and Quarantine Science and Technology Insect Management and Molecular Diagnostics Laboratory (20230621-CDP-APHIS-0277)” USDAgov / Public domain (cropped)
- Ecology of invasive pests: “CSIRO ScienceImage 1295 A green mirid Creontiades dilutus” David McClenaghan, CSIRO / CC BY 3.0 (cropped)
- Behavior and ecology of parasitoid wasps as natural enemies: “Parasitic wasp” Scott Bauer for USDA / Public domain (cropped)
- Odor detection using parasitoid wasps: “Cotesia.melanoscela9.-.lindsey” James K. Lindsey / CC BY-SA 3.0 (cropped)
- Related lab (天敵昆虫学): “Ladybug eating aphids. ( )” DAVID S. FERRY III from PLANT CITY,FL., U.S.A. / CC0 (cropped)
- Related lab (天敵微生物学): “Beetle Beauveria cf 2026 Südpfalz” InsektenDoku / CC BY-SA 4.0 (cropped)
- Related lab (衛生昆虫学): “Adult deer tick(cropped)” Photo by Scott Bauer. (USDA ARS) / Public domain (cropped)
- Related lab (昆虫食科学): “Cricket Shelter Modular Edible Insect Farm IMG” Mary Mark Ockerbloom / CC BY-SA 4.0 (cropped)
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