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• Article: The effects on insects of plant-associated microorganisms
We are delighted that the last two chapters of Élisée’s thesis have just been jointly published in the journal Microorganisms. He only just completed his PhD! They discuss the effects of beneficial microorganisms associated with soybean roots on the health of insect populations of the second and third trophic levels (an herbivore and its natural […]
• Article: Insects and mycorrhizae in soybean fields
We have published a new article in the journal PLOS ONE. This publication is the first one based on the research of doctoral student Élisée Emmanuel DABRÉ. The use of beneficial microorganisms, such as arbuscular mycorrhizal fungi and plant growth promoting rhizobacteria as biofertilizers in agricultural systems, has gained particular interest in recent years due […]
• Article: The Odonata of Quebec
The Ouellet-Robert Collection has a wonderful set of dragonfly and damselfly specimens (insect order Odonata) thanks in large part to the efforts of its eponymous founder, Adrien Robert. Indeed, the Odonata collection is so good that we chose a damselfly, the superb jewelwing (Calopteryx amata), as the emblem for the collection. Before I arrived at […]
• Article: Aphid climate niche
The dominant paradigm is that the host plant distributions determine those of plant-feeding insects. However, climate is known to affect the distribution of other organisms, including plants, so who’s to say it doesn’t affect plant-feeding insects too? A group of colleagues sought to answer that very question. We geographically modeled climate variables and host plant […]
• Article: Voegtlin trap
During my M.S. research, my advisor David Voegtlin gave me a set of medium-sized suction traps that he had developed and built for catching aphids. As I sorted hundreds of aphids, I was amazed at the diversity of other insects in the traps and vowed that I would one day take a closer look at […]
• Article: Digitizing the collection
During the past few years, the Ouellet-Robert Entomological Collection personnel have been working towards increasing the use and value of the Collection. Today, entomology researchers especially need electronic data. In a recent publication, we described three computerization initiatives. First, we examined each drawer of pinned specimens and each vial rack of alcohol-preserved specimens, and we […]
• Article: A North American aphid invades new territory
Aphis lugentis is an aphid species relatively common in North America, feeding primarily on Senecio, a genus of the daisy family. This aphid species had recently been found in southern France and in a new publication, we document its presence across the Mediterranean in Tunisia, as well as in South America, namely Argentina, Chile, and […]
• Article: The Cannabis aphid in North America
The recreational use of marijuana becomes legal across Canada today. Of course increased cultivation of Cannabis sativa will accelerate research on this species, as was highlighted in the scientific journal Nature. It will also mean the need to protect the crop against insects and other injurious organisms. One such insect is the Cannabis aphid, Phorodon cannabis. This Eurasian […]
• Article: Revision of the mealy plum aphids
The mealy plum aphid, Hyalopterus pruni, along with two other species of Hyalopterus, are important pests of peaches, apricots, plums, and almonds. Unfortunately, there were 13 separate species names for only three valid species. In order to associate the 13 names with the three species, we published a taxonomic revision of the aphid genus Hyalopterus. The project involved five […]
• Article: Protecting the name Adelgidae
Adelgids are sometime conifer insect pests; of particular note is the hemlock woolly adelgid. A large number of species alternate host, forming galls on a spruce one year and migrating to the bark or needles of another kind of conifer the next (fir, hemlock, larch, pine). While preparing a catalog of adelgid species, I discovered […]