. . . . . . . . . . . "Abundance of Helophorus brevipalpis (ITIS: 193679) per unit area of the bed by sieving and picking under an optical microscope"@en . . "ZBN00671" . "accepted"@en . "Unavailable"@en . "SDN:P01::ZBN00671" . . . . . . . . . . .