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Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
Proceedings of the
United States National Museum. 69 ((9)[2635]):...
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United States. Shannon,
Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
Proceedings of the
United States National Museum. 69 ((9)[2635]):...
- Syrphidae. Bolivia. Shannon,
Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
Proceedings of the
United States National Museum. 69 ((9)[2635]):...
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United States. Shannon,
Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
Proceedings of the
United States National Museum. 69 ((9)[2635]):...
- Syrphidae. Brazil. Shannon,
Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
Proceedings of the
United States National Museum. 69 ((9)[2635]):...
- Syrphidae. Bolivia. Shannon,
Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
Proceedings of the
United States National Museum. 69 ((9)[2635]):...
- Syrphidae. Panama. Shannon,
Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
Proceedings of the
United States National Museum. 69 ((9)[2635]):...
- Fernández Islands. Shannon,
Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
Proceedings of the
United States National Museum. 69 ((9)[2635]):...
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Costa Rica. Shannon,
Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
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United States National Museum. 69 ((9)[2635]):...
- 1 July 2015. Shannon,
Raymond Corbett (1926). "Review of the
American xylotine syrphid-flies".
Proceedings of the
United States National Museum. 69 ((9)[2635]):...