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Eastern Nearctic Region
nevadensis Bi. auricomus Bi.
borealis St.
fervidus Th. pensylvanicus Th.
variabilis Ps. citrinus Ps. insularis Ps. bohemicus Ps. flavidus Ps.
vagans Pr. bimaculatus Pr. ternarius Pr. impatiens Pr. perplexus Pr. sandersoni Pr. frigidus Pr.
kirbiellus Al.
affinis Bo. terricola Bo.
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