Bombus pensylvanicus
(De Geer, 1773) · speciesAt a glance
Sources10 archives
Databases and archives Bombus pensylvanicus's data was compiled from.
WikipediaWikimedia Foundation4 languages↗
BioWikiNetmultilingual Wikipediamultilingual↗
GBIFGlobal Biodiversity Information Facility73 758 records↗
ENAEuropean Nucleotide Archive · EMBL-EBI1 eDNA detections↗
BOLD SystemsCentre for Biodiversity Genomics66 specimens↗
Open Tree of LifeOpenTreephylogeny backbone↗
GoaTGenomes on a Tree · Sangergenome & karyotype↗
NCBIUS National Library of Medicinegenome & karyotype↗
WikidataWikimedia Foundationstructured facts↗
GLoBIGlobal Biotic Interactionsbiotic interactions↗Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.
Bombus pensylvanicus, the American bumblebee, is a threatened species of bumblebee native to North America. It occurs in eastern Canada, throughout much of the Eastern United States, and much of Mexico.Hatfield, R., et al. 2015. Bombus pensylvanicus. The IUCN Red List of Threatened Species. Downloaded on 09 March 2016. Once the most prevalent bumblebee in the southern United States, populations of Bombus pensylvanicus have decreased significantly in recent years, including in its scientific namesake state of Pennsylvania where its numbers are considered critically low. Overall, the population has dropped nearly 90% in just the last 20 years. Bombus pensylvanicus tends to live and nest in open farmland and fields. It feeds on several food plants, favoring sunflowers and clovers, and functions as a pollinator.
No narrative description available for this taxon yet.
Size & morphology3
A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Bombus pensylvanicus has left across the world's sequence archives.
At a glance
★ the standard DNA barcode for this group — the short region actually read to tell this species apart. The rest are extra genes sequenced along the way.
The complete instruction manual Bombus pensylvanicus carries — its genome. We read it from three angles — how big it is, how the DNA is packed into chromosomes, and how completely it has been sequenced — and explain how to read each value as you go.
Genome sizehow big the whole instruction manual is
Measured in base pairs (bp) — the individual letters of DNA (human ≈ 3.2 Gb, a bacterium a few million). The chart places this genome on a logarithmic scale — each step to the right is ten times bigger — among reference organisms. Across species a bigger genome loosely tracks with larger cells, slower growth and lower-energy lifestyles (powered flight favours small genomes) — yet it does not imply more genes or a more advanced organism (the long-standing C-value paradox).
Chromosomes & ploidyhow the DNA is packaged
2n is the full chromosome count in a normal body cell; n is a gamete (egg or sperm), which carries half. Ploidy is how many complete chromosome sets each cell holds — 2× (diploid) is typical for animals, while higher levels (polyploidy) are common in plants. Click any value below to see the underlying records and sources.
Sequencing statusassembly quality — how far to trust these numbers
Assembly level tells you how finished the sequence is — from fragmented contigs, through scaffolds, up to a full chromosome-level assembly. BUSCO % estimates completeness: the share of genes expected to be present that were actually found. These describe the data quality, not the organism.
Record type73 758 records
Origin
Range
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Museum / Voucheredphysical evidence
Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.
Wildobservation + sensor
Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.
Holding institutions42 of 74 geolocated
Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.
| Institution | Specimens |
|---|---|
| Beltsville, US | 8 643 |
| Champaign, US | 1 590 |
| Mississippi State, US | 1 419 |
| Wuzhou, CN | 1 236 |
| Universidad Católica de Manizaleslocation not on record | 1 087 |
| Essig Museum of Entomologylocation not on record | 832 |
| 829 | |
| Washington, US | 756 |
| East Lansing, US | 651 |
| Chicago, US | 599 |
| Tapachula, MX | 582 |
| Colorado State Universitylocation not on record | 545 |
| US | 469 |
| University of Nebraska State Museumlocation not on record | 429 |
| Cornell University Insect Collectionlocation not on record | 427 |
| Ciudad de México, MX | 422 |
| New Haven, US | 348 |
| Severin-McDaniel Insect Collectionlocation not on record | 314 |
| CNClocation not on record | 269 |
| Lexington, US | 263 |
| OSUClocation not on record | 231 |
| Cambridge, US | 226 |
| St. Paul, US | 209 |
| University of Central Floridalocation not on record | 200 |
| Denton, US | 168 |
| WIlocation not on record | 168 |
| North Carolina State University Insect Museumlocation not on record | 160 |
| UCRClocation not on record | 127 |
| San Nicolás de los Garza, MX | 111 |
| Los Angeles, US | 93 |
| Lubbock, US | 84 |
| Blacksburg, US | 83 |
| Sam Noble Oklahoma Museum of Natural Historylocation not on record | 60 |
| Cleveland Museum of Natural History, OH (CLEV)location not on record | 52 |
| USDA ARSlocation not on record | 47 |
| California State Collection of Arthropodslocation not on record | 45 |
| University of California, Davislocation not on record | 45 |
| Mexico City, MX | 39 |
| Universidad de las Américas, Pueblalocation not on record | 38 |
| US | 37 |
| College Station, US | 35 |
| Toronto, CA | 33 |
| Philadelphia, US | 31 |
| FWSlocation not on record | 29 |
| Albuquerque, US | 26 |
| University Park, US | 25 |
| Lake Placid, US | 24 |
| New Haven, US | 21 |
| University of Alabamalocation not on record | 21 |
| UNHClocation not on record | 16 |
| South Kensington, GB | 14 |
| MISSA:MEMlocation not on record | 13 |
| ASUlocation not on record | 12 |
| Decorah, US | 11 |
| Philadelphia, US | 9 |
| Santa Barbara Museum of Natural Historylocation not on record | 7 |
| Denver, US | 7 |
| Edmonton, CA | 6 |
| EL PASO, US | 6 |
| München, DE | 5 |
| Instituto de Fitosanidad, Colegio de Postgraduados, Campus Montecillolocation not on record | 5 |
| VTSTlocation not on record | 4 |
| Paris, FR | 4 |
| Middlebury Collegelocation not on record | 4 |
| University of Guelphlocation not on record | 3 |
| ECOSUR-SClocation not on record | 3 |
| Florida State Collection of Arthropods, The Museum of Entomologylocation not on record | 2 |
| Chicago, US | 2 |
| US | 2 |
| MX | 2 |
| San Diego, US | 2 |
| MZLUlocation not on record | 2 |
| Saint John, CA | 1 |
| CUlocation not on record | 1 |
Where the DNA of Bombus pensylvanicus was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.
Signal
Where its DNA was found
How strong is each trace?
Modelled climatemodelled
How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.