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- Andrena - Wikipedia
Andrena are common in temperate regions of Europe, Asia, and North America and most diverse in areas with a Mediterranean climate A small amount of species are present in sub-Saharan Africa, and there are none in South America, Australia and nearby islands, or Madagascar
- Andrena (Mining Bee Group) [86 species] - Elmira
Andrena (Mining Bee Group) [86 species] Common and, at times, dominant bees, that occur in all habitats, but reach their peak abundance in the spring with a few species emerging in the fall and a very few species out in mid-summer
- ANDRENA MINING BEES - nybee-15mar2024
All Andrena species share a distinctive facial characteristic: Andrena have two "sutures" (dark lines) under each antenna; facial depressions called foveae rest alongside the sutures
- Andrena « The Echinacea Project
The Andrena slowly and precisely circumnavigates the flower head again and again in her search for pollen, digging her head down to reach pollen lower on the anthers
- Andrena | Minnesota Native Bees
Andrena (mining bees) is a genus of bees in the family Andrenidae Bees in this genus nest in the ground Many species in this genus specialize on specific plant pollens
- Andrena - Washingtons Native Bees
Field ID Tips Andrena are small to medium sized bees Adapted to higher, colder settings Wing venation is an easy way to confirm genus, and therefore family and subfamily
- Genus Andrena - BugGuide. Net
Andrena are more active than Apis at lower temperatures For this and other reasons Andrena (and Osmia) can be more efficient superior pollinators in cold weather
- MIning Bees: Genus Andrena | The Great Sunflower Project
Genus summary: Andrena ( an-DREE-nuh ) is a large, well known genus that occurs in the Americas, Eurasia and the Old World Tropics with over 1300 species In California, there are approximately 261 species This may be the genus with the most species in all of California
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