A relatively rare species found in sandy areas. The hosts are Crabronidae in the genus Mimesa. The species is frequently visiting flowers. E. constrictus can be separated from closely related species by the apical truncation of T3, which is shaped like a boomerang.
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Juho Paukkunen
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Alexander Berg
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Villu Soon
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Frode Ødegaard
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Paolo Rosa
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NTNU Vitenskapsmuseet
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Norsk institutt for naturforskning
