New Wasp Species Discovered Parasitizing Pests of Pine Trees

Baryscapus dioryctriae is a new species of wasp that parasitizes two moths of the genus Dioryctria, a pest of pine trees in China. (Photo credit: Li-Wen Song, et al)

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

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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

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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

Cynipidae-wasps

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 […]

After a 49-million-year Hiatus, a Cockroach Reappears in North America

Ectobius_vittiventris-WP

The cockroach in the genus Ectobius is a major textbook example of an invasive organism, and it is the most common cockroach inhabiting a large region from northernmost Europe to southernmost Africa. Ectobius has a long fossil history in Europe, occurring in Baltic amber that is about 44 million-years old, and its lineage was believed […]

New Study May Aid Rearing of Stink Bugs for Biological Control

Podisus-nigrispinus-wp

Many people think of stink bugs as pests, especially as the brown marmorated stink bugs spreads throughout the U.S. However, certain stink bugs are beneficial, such as Podisus nigrispinus (Dallas), a predatory stink bug that is considered an important biological control agent for various insect pests of cotton, soybean, tomato, corn, kale, and other crops. […]

Are Sweetpotato Weevils Differentially Attracted to Certain Colors?

sweetpoto-weevil-wp

The sweetpotato weevil, Cylas formicarius (Fabricius), is the most serious pest of sweetpotato around the world, damaging sweetpotatoes in the field and in storage. Because the larval period is spent within vines or tubers, and the adults are nocturnal, chemical control frequently is not effective. Mass trapping using synthetic pheromones has suppressed populations of sweetpotato […]

New Info on an Elusive Green Cicada

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For nearly 80 years, the North American cicada Okanagana viridis has received little attention in scientific literature, but a new article in the Annals of the Entomological Society of America provides the first notes on the song and ecology of this elusive species, and updates its known range. O. viridis is unusual in a large […]