Control of West Indian Sweetpotato Weevils Informed by Their Mating Behavior

By John P. Roche West Indian sweetpotato weevils (Euscepes postfasciatus) are costly pests of sweetpotato plants (Ipomoea batatas) in the Pacific, the Caribbean, and Central and South America. Entomologists in the Ryukyu Islands within the Okinawa Prefecture of Japan are implementing a sterile insect technique (SIT) program for eradicating West Indian sweetpotato weevils. SIT uses […]

New Wasp Species Discovered Parasitizing Pests of Pine Trees

By Josh Lancette A new parasitoid wasp species, named Baryscapus dioryctriae, has been discovered in China. The new species is known to parasitize larvae of two species of Dioryctria, which are serious pests of pine trees, and was found during a survey looking for natural enemies of Dioryctria pryeri and D. abietella. This finding, published […]

New Monarch Butterfly Studies May Provide Reasons for Optimism

Eight new articles on monarch butterflies were published today in the Annals of the Entomological Society of America. “This group of papers is intended to give us the latest and best data available on the status of monarch populations and perhaps point the way to our best efforts to protect them,” said Lawrence E. Hurd, […]

Odd Oviposition: Video Shows a Bagrada Bug Burying a Single Egg

The Bagrada bug (Bagrada hilaris) is an invasive stink bug that was recently established in North America. Bagrada bugs are known to seriously damage cole crops such as cabbage and broccoli, as well as fruits and vegetables, including cantaloupe, cotton, green beans, peppers, and potatoes. Information about how Bagrada bugs lay their eggs has been […]

Three New Wasp Species Discovered in Vietnam

For the first time in the Indochina region, wasps from the Cynipidae family have been discovered. Plagiotrochus indochinensis, Dryocosmus okajimai, and Synophrus vietnamensis are described in a new article appearing in the Annals of the Entomological Society of America. P. indochinensis is probably a gall wasp, as the authors observed it inserting its ovipositor into […]