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Eumetazoa (metazoans)
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Bilateria (bilaterally symmetrical animals)
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Protostomia (protostomes)
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Arthropoda (arthropods)
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Order Hymenoptera
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Superfamily Apoidea
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Genus Mesoxaea
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Species Mesoxaea arizonica
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Species Mesoxaea clypeata
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Species Mesoxaea nigerrima
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Species Mesoxaea rufescens
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Species Mesoxaea tachytiformis
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Species Mesoxaea texana
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Species Mesoxaea vagans
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