Pennies for Parasitoids: Savings Add Up When Rearing Wasps on Alternate Hosts

Telenomus remus on Spodoptera frugiperda eggs

By Edward Ricciuti Getting more bang for the buck out of mass production is the Holy Grail for manufacturers, whether they are making automobiles, appliances, or natural enemies that can be used as biological control agents against pest insects.  Sometimes, as research in Brazil suggests, the most cost-effective method requires a little tweaking of what […]

This Wasp’s Larvae Sometimes Grow Hundreds of Soldier Clones—But Why?

Copidosoma floridanum

Imagine, for a moment, having 3,000 twin sisters. You all live inside a caterpillar, but it’s home, and your numbers serve as a veritable army against any trespassers. Such is the life of the parasitoid wasp Copidosoma floridanum, one of the insect world’s most fascinating examples of polyembryony, in which multiple embryos form from a […]

Cocooned Wasp Larvae Jump to Find Cool Spots, and to Protect Themselves

The larvae of a parasitoid wasp called Bathyplectes anurus are known to spin cocoons and jump five centimeters while inside of them. Now scientists may have discovered why, according to a paper published in The Science of Nature. It seems like they jump to find a shady spot. Lead researcher Yoriko Saeki and her team […]

Laura Timms: 10 Facts about Parasitoid Wasps (Ichneumonidae)

In the past, Entomology Today has featured some posts about parasitoid wasps and how then can be used for biological control of insect pests. For example: – New Parasitoid Wasp Species Found in China May Help Save Pine Trees – Virginia Entomologists Use Mexican Wasps to Help Indian Farmers – Videos of Parasitoid Wasps and […]

277 New Wasp Species Discovered in Costa Rica

Costa Rica reveals astonishing biodiversity of braconid wasps, with 277 new species of the tribe Heterospilini described in the latest special issue of the open access journal ZooKeys. This is the second part of an extensive two-part study of the braconid subfamily Doryctinae from Costa Rica. Authors Paul M. Marsh, Alexander L. Wild, and James […]