Bombus nevadensis
{{Short description|Species of bee}}
{{Speciesbox
| image = Bombus nevadensis 080115.jpg
| status = LC
| status_system = IUCN3.1
| genus = Bombus
| parent = Bombus (Bombias)
| species = nevadensis
| authority = (Cresson, 1874)
}}
Bombus nevadensis, the Nevada bumblebee, is a species of bumblebee. It is native to North America, where it occurs from Alaska to California in the west, and east to Wisconsin, and in Arizona, New Mexico, and Mexico.
Description
A bumblebee with a long proboscis (tongue) and a short, dense fur, the females (queens and workers) have an entirely black head, while the face and top of the head of the male are yellow.{{cite web |url=http://www.yale.edu/ynhti/curriculum/units/1979/6/79.06.04.x.html |title=Bees: An Interdisciplinary Approach |author=Anthony P. Solli |date=1999-10-20 |accessdate=26 January 2013 |publisher=Yale-New Haven Teachers Institute |archive-url=https://web.archive.org/web/20090909224758/http://www.yale.edu/ynhti/curriculum/units/1979/6/79.06.04.x.html |archive-date=9 September 2009 |url-status=dead }} The thorax is yellow, sometimes with a hairless, black spot in the middle. The three first terga (abdominal segments) are yellow, while the rest of the abdomen is black.{{cite web |url=http://www.bumblebee.org/NorthAmerica.htm |title=North American bumblebees |accessdate=26 January 2013 |publisher=Bumblebee.org }} However, the tip of the tail is more or less red in the male. The average body length is {{convert|20|mm|abbr=on}} for the queen, {{convert|17|mm|abbr=on}} (worker) and {{convert|14|mm|abbr=on}} (male).
The black and gold bumblebee (Bombus auricomus) is sometimes considered a subspecies of this species, B. nevadensis auricomus. Genetic and morphological evidence supports them as separate species.Hatfield, R., et al. 2015. [http://www.iucnredlist.org/details/21215146/0 Bombus nevadensis.] The IUCN Red List of Threatened Species. Downloaded on 04 March 2016.