Crithidia bombi

Crithidia bombi
Scientific classification
Domain:	Eukaryota
Clade:	Discoba
Phylum:	Euglenozoa
Class:	Kinetoplastea
Order:	Trypanosomatida
Family:	Trypanosomatidae
Genus:	Crithidia
Species:	C. bombi
Binomial name
	Crithidia bombi; Lipa and Triggiani, 1988

Last updated October 04, 2025

Crithidia bombi is a parasitic protist from the order Trypanosomatida. It is the most prevalent parasite of bumblebees.

Ecology

Crithidia bombi is an important parasite of various bumblebee species, including common species like Bombus terrestris , Bombus muscorum , and Bombus hortorum .^[2]^[3] The parasites negatively impact reproductive fitness of Bombus queens, as they affect their ovarian development as well as early colony establishment after the queens emerge from hibernation.^[4]

References

↑ Lipa JJ, Triggiani O (1988). "Crithidia bombi sp. n. a flagellated parasite of a bumble-bee Bombus terrestris L. (Hymenoptera, Apidae)". Acta Protozoologica. 27: 3–4.
↑ Runckel, Charles; DeRisi, Joseph; Flenniken, Michelle L. (2014-04-17). "A Draft Genome of the Honey Bee Trypanosomatid Parasite Crithidia mellificae". PLOS ONE. 9 (4) e95057. Bibcode:2014PLoSO...995057R. doi: 10.1371/journal.pone.0095057 . PMC 3990616 . PMID 24743507.
↑ Baer, B. and P. Schmid-Hempel (2001). "Unexpected consequences of polyandry for parasitism and fitness in the bumblebee, Bombus terrestris". Evolution. 55 (8): 1639–1643. doi:10.1554/0014-3820(2001)055[1639:ucopfp]2.0.co;2. PMID 11580023.
↑ Erler, Silvio; Popp, Mario; Wolf, Stephan; Lattorff, H. Michael G. (2012-05-01). "Sex, horizontal transmission, and multiple hosts prevent local adaptation of Crithidia bombi, a parasite of bumblebees (Bombus spp.)". Ecology and Evolution. 2 (5): 930–940. Bibcode:2012EcoEv...2..930E. doi:10.1002/ece3.250. ISSN 2045-7758. PMC 3399159 . PMID 22837838.

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[Lipa1988-1] Lipa JJ, Triggiani O (1988). "Crithidia bombi sp. n. a flagellated parasite of a bumble-bee Bombus terrestris L. (Hymenoptera, Apidae)". Acta Protozoologica. 27: 3–4.

[2] Runckel, Charles; DeRisi, Joseph; Flenniken, Michelle L. (2014-04-17). "A Draft Genome of the Honey Bee Trypanosomatid Parasite Crithidia mellificae". PLOS ONE. 9 (4) e95057. Bibcode:2014PLoSO...995057R. doi: 10.1371/journal.pone.0095057 . PMC 3990616 . PMID 24743507.

[Baer-3] Baer, B. and P. Schmid-Hempel (2001). "Unexpected consequences of polyandry for parasitism and fitness in the bumblebee, Bombus terrestris". Evolution. 55 (8): 1639–1643. doi:10.1554/0014-3820(2001)055[1639:ucopfp]2.0.co;2. PMID 11580023.

[4] Erler, Silvio; Popp, Mario; Wolf, Stephan; Lattorff, H. Michael G. (2012-05-01). "Sex, horizontal transmission, and multiple hosts prevent local adaptation of Crithidia bombi, a parasite of bumblebees (Bombus spp.)". Ecology and Evolution. 2 (5): 930–940. Bibcode:2012EcoEv...2..930E. doi:10.1002/ece3.250. ISSN 2045-7758. PMC 3399159 . PMID 22837838.

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