USDA to Release Russian Wasps Against the Emerald Ash Borer

With the emerald ash borer beetle devastating ash tree populations throughout the United States, solutions to help fight the insect are critical. Thanks in part to research from the University of Delaware and the USDA’s Agricultural Research Service, a host-specific parasitoid wasp from Russia — Spathius galinae — has been approved for release to help […]

A New Wasp Parasitoid of the Fall Webworm

Researchers in China have discovered a new wasp species that may possibly be used to control fall webworm (Hyphantria cunea), an invasive pest that causes severe damage to forest and ornamental trees in Europe, Asia, and North America. The wasp is described in an article in the Annals of the Entomological Society of America. Trichospilus […]

New Wasp Species Named after Chief Crazy Horse and Wile E. Coyote

Five new wasp species were recently described in the journal Zootaxa. All of them are Braconid wasps, belonging to the genus Cremnops, which belongs to the subfamily Agathidinae. Members of the genus Cremnops occur in terrestrial habitats worldwide and are known to be parasitoids of caterpillars in the families Pyralidae and Crambidae. As is often […]

Plant Compounds that Smell like Cut Grass Attract Parasitic Wasps for Protection

The smell of cut grass in recent years has been identified as the plant’s way of signalling distress, but the aroma also summons beneficial insects to the rescue. “When there is need for protection, the plant signals the environment via the emission of volatile organic compounds, which are recognized as a feeding queue for parasitic […]

New Parasitoid Wasp Species Found in China May Help Save Pine Trees

A new wasp species discovered in China may be used in the future to help control a beetle that is damaging pine trees. The new wasp, Callimomoides monochaphagae Yang, is described in an article in Annals of the Entomological Society of America. C. monochaphagae is a solitary wasp that parasitizes eggs of the pine sawyer […]