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Syrphus
Animalia
3
Arthropoda
3
Biodiversity
3
Diptera
3
Insecta
3
Syrphidae
3
Syrphus ribesii
3
Taxonomy
3
1954
1
Insects -- Arctic regions
1
Insects -- Canada
1
Insects -- United States
1
Parasyrphus groenlandica
1
QL1 .A436 no.1690
1
Syrphidae -- Arctic regions
1
Syrphidae -- Canada
1
Syrphidae -- United States
1
Syrphus autumnalis
1
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