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Calvert, P.M
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The neotropical species of the Subgenus Aeschna, Sensu Sely.. 

American Entomological Society (Philadelphia). Memoirs ; Nr. 15
Calvert, Philip Powell , 1956
Copies:  Zentrale:Magazin ab 8230
 
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2

Neuroptera:

[Zoology]:

Insecta:

, In: , In: Biologia Centrali-Americana
[50],
Eaton, Alfred Edwin ; Calvert, Philip Powell ; Godman, Frederick Du Cane. , 1892-1908
Copies:  Zentrale:Magazin 02.B.1994
 
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