Contributed by guest blogger: Jason Adler  An endoparasitoid wasp would disagree with the popular perception of viruses as malevolent. Parasitoids are organisms that spend a substantial portion of their life cycle in the host; unlike a parasite, a parasitoid usually kills or sterilizes the host. Endoparasitoid wasp oviposit into the body cavity of caterpillars. When … Continue reading Polydnavirus: Good for the Parasitic Wasp, Bad for the Host Caterpillar