Eur. J. Entomol. 90 (1): 99-100, 1993

Microsporidian infection of the alfalfa snout beetle, Otiorrhynchus ligustici (Coleoptera: Curculionidae), and biological protection of hop plants

DAVID L.
N/A

Adults of the alfalfa snout beetle, Otiorrhynchus ligustici (L.), were collected in hop gardens near Zatec in Czech Republic, and examined for microsporidian infection. Nosema otiorrhynchi Weiser, 1951 causes a general infection. The spores are ovoid in shape and measure 3.8-4 × 1.8-2 µm. The incidence of Nosema infection ranged from 0 to 95% in samples from various sites. The prospects of introducing this microsporidian into populations of O. ligustici are discussed.

Keywords: Insect pathology, Nosema, microsporidian infection, hop gardens, Coleoptera, Curculionidae, Otiorrhynchus ligustici (L.)

Accepted: January 20, 1993; Published: March 25, 1993  Show citation

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DAVID, L. (1993). Microsporidian infection of the alfalfa snout beetle, Otiorrhynchus ligustici (Coleoptera: Curculionidae), and biological protection of hop plants. EJE, 90(1), 99-100
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