As resistant American elms are making a comeback on US streets, so are their pests.
I can expect this encounter to go one of two ways. This is a woman with an insatiable appetite for learning, whose scholastic intrigue cannot keep her from asking me what I am doing, OR she is a slightly disgruntled neighbor. She is the latter.
Aphidius colemani parasitoid with aphid mummy. Photo: David Cappaert, Michigan State University, Bugwood.org Our new paper just published in Insects takes a look at whether using a variety of banker plant species enhances biocontrol [...]
We've got an iBook for that. Insect and Mite Pests of Floriculture Crops is now available (for Free!) as an interactive iBook, readable on iPad and Mac devices. Funded with a grant from the Fred [...]
Aphidius colemani parasitizing an aphid. Photo: AG Dale The parasitoid wasp, Aphidius colemani, injects eggs into aphids so their larvae can develop inside. After a week or two an adult wasp emerges dramatically [...]
Hoverfly on Chrysogonum virginianum. Photo: SD Frank You can often see hoverflies zipping in and out of flowers in your garden. They approach a flowering shrub or group of flowering perennials and hover [...]
Woolly (Eriosoma sp.) aphid migrant. Photo: GG Frank Update: Today while walking around the neighborhood I saw lots of migrating woolly aphids, probably woolly elm aphid, floating through the air. They look like [...]
Crape myrtles are among the most commonly planted trees in the Southeast. The two main pests are crape myrtle bark scale which has not been reported in NC yet but is in Virginia and Tennessee. [...]
Tulip poplar leaf with aphids, a cluster of yellow lady beetle eggs, and a brown aphid mummy which houses a parasitoid wasp. Photo: SD Frank This time of year tulip poplar leaves are covered [...]
Aphids on rose leaves. Photo: SD Frank This week I found clusters of aphids on my Knockout roses. This time of year lots of plants start getting aphid infestations. Most are short-lived though. [...]