Related Experiment Video
Updated: Jul 30, 2026
13:12
Quantitative Analyses of all Influenza Type A Viral Hemagglutinins and Neuraminidases using Universal Antibodies in Simple Slot Blot Assays
Published on: April 4, 2011
18.8K
Opiliones of Canada
1Department of Entomology, University of Maryland, College Park, Maryland, USA University of Maryland College Park United States of America.
Zookeys
|February 5, 2019
Summary
Canada
Area of Science:
- Zoology
- Arachnology
- Taxonomy
Background:
- The Opiliones (harvestmen) fauna of Canada is incompletely documented.
- Current knowledge relies on morphological taxonomy, with potential for undiscovered species indicated by DNA barcoding and US diversity.
- Historical research was external, with recent Canadian contributions now retired, creating a knowledge gap.
Purpose of the Study:
- To review and summarize the current taxonomic diversity of Canadian Opiliones.
- To highlight the need for further research into both native and non-native species.
- To emphasize the necessity of developing accessible identification tools.
Main Methods:
- Review of existing literature and taxonomic records.
- Comparison with species diversity in adjacent regions (United States).
- Consideration of DNA barcoding evidence for potential new species.
Main Results:
- 36 native and 7 non-native Opiliones species are currently documented in Canada.
- Over 20 additional species may exist in Canada, based on US data and DNA barcoding.
- The full extent and ecological impact of non-native species are unknown.
Conclusions:
- Canadian Opiliones taxonomy requires revitalization.
- Further research is essential to fully understand native and non-native species.
- Development of user-friendly identification guides is crucial for non-taxonomists.
Related Concept Videos
01:47Osmoregulation in Insects
Malpighian tubules are specialized structures found in the digestive systems of many arthropods, including most insects, that handle excretion and osmoregulation. The tubules are typically arranged in pairs and have a convoluted structure that increases their surface area.
02:40Epiphytes, Parasites, and Carnivores
Plants often form mutualistic relationships with soil-dwelling fungi or bacteria to enhance their roots’ nutrient uptake ability. Root-colonizing fungi (e.g., mycorrhizae) increase a plant’s root surface area, which promotes nutrient absorption. While root-colonizing, nitrogen-fixing bacteria (e.g., rhizobia) convert atmospheric nitrogen (N2) into ammonia (NH3), making nitrogen available to plants for various biological functions. For example, nitrogen is essential for the biosynthesis of the...
01:28Toxoplasmosis
Toxoplasmosis, a zoonotic disease caused by the protozoan Toxoplasma gondii, poses significant public health challenges globally due to its high seroprevalence and varied clinical manifestations. As an obligate intracellular parasite, T. gondii can infect all warm-blooded vertebrates, but felids are its only definitive hosts, shedding unsporulated oocysts into the environment. Humans typically acquire the infection through ingestion of tissue cysts in undercooked meat or oocysts from...