„Bombus cryptarum“: Munur á milli breytinga

''Bombus cryptarum'' tilheyrir ættkvísl [[hunangsflugur|hunangsflugna]] (''Bombus'') og undirættinni ''Bombus sensu stricto,'' sem telur fimm tegundir í Evrópu: ''[[Bombus terrestris|B. terrestris]], [[Bombus sporadicus|B. sporadicus]], [[Bombus lucorum|B. lucorum]], B. cryptarum'' og ''[[Bombus magnus|B. magnus]].''<ref name=":7">{{Cite journal|title = Niche differentiation of a cryptic bumblebee complex in the Western Isles of Scotland|url = http://onlinelibrary.wiley.com/doi/10.1111/j.1752-4598.2010.00101.x/abstract|journal = Insect Conservation and Diversity|date = 2011-02-01|issn = 1752-4598|pages = 46–52|volume = 4|issue = 1|doi = 10.1111/j.1752-4598.2010.00101.x|first = Joe|last = Waters|first2 = Ben|last2 = Darvill|first3 = Gillian C.|last3 = Lye|first4 = Dave|last4 = Goulson}}</ref> ''B. magnuscryptarum'' er skyldust ''B. terrestris,'' ''B. cryptarummagnus'', og ''B. lucorum,'' með örfáum illgreinanlegum einkennum til að skilja þær í sundur''.'' <ref name=":8">{{Cite journal|title = The reliability of morphological traits in the differentiation of Bombus terrestris and B. lucorum (Hymenoptera: Apidae)|url = https://link.springer.com/article/10.1051/apido/2009048|journal = Apidologie|date = 2010-01-01|issn = 0044-8435|pages = 45–53|volume = 41|issue = 1|doi = 10.1051/apido/2009048|first = Stephan|last = Wolf|first2 = Mandy|last2 = Rohde|first3 = Robin F. A.|last3 = Moritz}}</ref> Til dæmis er þar notast við mun á nemum á þreifurum tegundanna.