mining bees
(Andrena Subgenus Cnemidandrena)
Overview • Description • Distribution • Taxonomy
Overview |
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Cnemidandrena is a subgenus of mining bees. There are 50 species in the subgenus Cnemidandrena worldwide, 24 species in North America north of Mexico, and at least 5 species in Minnesota. Little information is available about the biology of this subgenus. The two species most commonly reported in Minnesota are Cloudy-winged mining bee (Andrena nubecula) and hairy-banded mining bee (Andrena hirticincta). Both are late season bees that feed on goldenrods and asters. |
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Description |
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The upper side of the second, third, and fourth abdominal segments (tergites), and usually the first tergite, have a complete band of hairs at the rear. The hairs have dense, short, closely set barbs, giving the bands an opaque or mat appearance. On the middle legs the fourth segment (tibia) is expanded in the middle. On the middle and hind legs, the spurs at the end of the tibia are long and slender and are curved at the end. On the forewings there are three submarginal cells. |
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Distribution |
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Sources |
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| 4/8/2023 | ||||
Taxonomy |
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Order |
Hymenoptera (ants, bees, wasps, and sawflies) | ||
Suborder |
Apocrita (narrow-waisted wasps, ants, and bees) | ||
Infraorder |
Aculeata (ants, bees, and stinging wasps) | ||
Superfamily |
Apoidea (bees and apoid wasps) | ||
| Epifamily | Anthophila (bees) | ||
Family |
Andrenidae (mining bees) | ||
Subfamily |
Andreninae (typical mining bees) | ||
Tribe |
Andrenini | ||
| Genus | Andrena | ||
Subordinate Taxa |
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Apache andrena (Andrena apacheorum) black-headed mining bee (Andrena nigriceps) blazingstar andrena (Andrena mentzeliae) British Columbia miner bee (Andrena columbiana) buff-banded miner bee (Andrena simillima) Canadian mining bee (Andrena canadensis) Cloudy-winged mining bee (Andrena nubecula) Costilla miner bee (Andrena costillensis) deaf miner bee (Andrena surda) hairy-banded mining bee (Andrena hirticincta) heather mining bee (Andrena fuscipes) mining bee (Andrena robervalensis) parnassia miner (Andrena parnassiae) Peckham’s miner bee (Andrena peckhami) pigmented miner bee (Andrena chromotricha) planed miner bee (Andrena runcinatae) shielded miner bee (Andrena scutellinitens) |
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Synonyms |
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Common Names |
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This subgenus has no common name. The common name of the genus Andrena is mining bees, and it is used here for convenience. |
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Glossary
Tergite
The upper (dorsal), hardened plate on a segment of the thorax or abdomen of an arthropod or myriapod.
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Alfredo Colon |
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MinnesotaSeasons.com Photos |
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Other Videos |
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| Cnemidandrena (Andrenidae) Hymenoptera of North America |
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About
Aug 13, 2021 This video is intended to assist those who are looking to identify hymenopteran specimens or for anyone who wants to familiarize themselves with the order. |
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Visitor Sightings |
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| Alfredo Colon 8/5/2019 |
Location: Woodbury, MN |
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| Alfredo Colon 8/2/2019 |
Location: Woodbury, MN |
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MinnesotaSeasons.com Sightings |
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Created: 4/8/2023
Last Updated: