A revision of the genus Eucerceris cresson (Hymenoptera:Sphecidae)
Scullen, Herman A.
A revision of the genus Eucerceris cresson (Hymenoptera:Sphecidae) - Washington : Simthsonian Institution, 1968 - 96 p. : ilus. - U.S. National Museum Bulletin ; 268 . - U.S. National Museum Bulletin ; 268 .
55773
Eucerceris.
595.79 / S2
A revision of the genus Eucerceris cresson (Hymenoptera:Sphecidae) - Washington : Simthsonian Institution, 1968 - 96 p. : ilus. - U.S. National Museum Bulletin ; 268 . - U.S. National Museum Bulletin ; 268 .
55773
Eucerceris.
595.79 / S2