Just in time for Hallowe’en! I have photographic evidence that some of our bees have been taken over by parasitic phorid flies. These flies are a group of diverse animals, including wasps and nematode worms, described as “parasitoids.” These are not your average parasites, which generally do not cause lethal damage to their host, although as…
Month: October 2012
Immaculate conception
I’ve shown you how sea urchin eggs are fertilized in the lab, and you’ve watched the fertilization membrane develop in real-time. One day a few years ago, my colleague, Betsy, and I set up shop to spawn urchins. We do this just about every year because it is super fun and we both enjoy watching…