In the world of plant-feeding insects, who shows up first to the party determines the overall success of the gathering; yet viruses can disrupt these intricate relationships, according to researchers.

Recent aphid-vectored viruses in the northeastern U.S. led to extensive surveys of aphid (Hemiptera: Aphididae) species composition. We report the species composition and richness of alate aphids ...

Are your garden plants stunted, shriveled, yellowing, or curling at the leaves, despite your best efforts to keep them alive? Check the undersides of the leaves, and you might find the culprit: large ...

Andy Jensen just might be the only person in North America with his particular hobby. By day, Jensen is the go-between for farmers and researchers as manager of the Northwest Potato Research ...

Three sympatric aphid species of European origin (Euceraphis betulae (Koch), Callipterinella calliptera (Hartig) and Betulaphis brevipilosa Börner) feed on Betula pendula Roth in northern California.

Aphids - who hasn't been bothered by these little insects at one time or another? Why do they reproduce on plants so successfully? Researchers have found out that aphids are able to influence the ...

Evolution is unfolding in real time within many natural animal populations and researchers are now observing how this influences biodiversity in the field. In a newly published study in Molecular ...

Karyotype is usually a stable feature of each species since chromosomal changes, if they occur, may contribute to the formation of barriers between populations causing the establishment of ...

Aphids seem to find their way into every garden. They feed on the plant’s sap and literally suck the life out of the plant. Most aphids in California's mild climate reproduce asexually (without mating ...