The invasive emerald ash borer has destroyed millions of trees – scientists aim to control it with tiny parasitic wasps
Biological control strategies curb pests using other species that attack the invader. A biologist explains why it can take more than a decade to develop an effective biological control program.
Kristine Grayson, Associate Professor of Biology, University of Richmond •
conversation
Aug. 27, 2021 • ~8 min
Aug. 27, 2021 • ~8 min
Figs show that nonnative species can invade ecosystems by forming unexpected partnerships
As invasive species transform the world, frontline agencies take solace that species needing unique partners can’t invade alone. A new study on figs shows they may find new partners to invade anyway.
Jared Bernard, Ph.D. Candidate in Entomology, University of Hawaii •
conversation
Jan. 19, 2021 • ~9 min
Jan. 19, 2021 • ~9 min
Virgin births from parthenogenesis: How females from some species can reproduce without males
Parthenogenesis, a form of reproduction in which an egg develops into an embryo without being fertilized by sperm, might be more common than you realized.
Mercedes Burns, Assistant Professor of Biological Sciences, University of Maryland, Baltimore County
• conversation
Dec. 15, 2020 • ~6 min
Dec. 15, 2020 • ~6 min
Do wasps have a queen like bees do?
Bees aren't the only species that has a queen.
Caralyn Zehnder, Lecturer in Biology, University of Massachusetts Amherst
• conversation
March 5, 2020 • ~4 min
March 5, 2020 • ~4 min
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