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Simard L, Bélair G, Brodeur J. Susceptibility of the European chafer (coleoptera: scarabaeidae) to entomopathogenic nematodes (rhabditida: steinernematidae, heterorhabditidae). J Nematol. 2001;33(4):297-301
Simard, L., Bélair, G., & Brodeur, J. (2001). Susceptibility of the European chafer (coleoptera: scarabaeidae) to entomopathogenic nematodes (rhabditida: steinernematidae, heterorhabditidae). Journal of nematology, 33(4), 297-301.
Simard, L, et al. "Susceptibility of the European chafer (coleoptera: scarabaeidae) to entomopathogenic nematodes (rhabditida: steinernematidae, heterorhabditidae)." Journal of nematology vol. 33,4 (2001): 297-301.
Simard L, Bélair G, Brodeur J. Susceptibility of the European chafer (coleoptera: scarabaeidae) to entomopathogenic nematodes (rhabditida: steinernematidae, heterorhabditidae). J Nematol. 2001 Dec;33(4):297-301. PMID: 19265891; PMCID: PMC2620526.
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J Nematol. 2001 Dec;33(4):297-301.

Susceptibility of the European chafer (coleoptera: scarabaeidae) to entomopathogenic nematodes (rhabditida: steinernematidae, heterorhabditidae).

Journal of nematology

L Simard, G Bélair, J Brodeur

PMID: 19265891 PMCID: PMC2620526

Abstract

The European chafer Rhizotrogus majalis (Razoumowsky) feeds on turfgrass roots, causing major damage in the urban areas of northeastern North America. A laboratory study was conducted to determine the susceptibility of third-instar chafer larvae to four species of entomopathogenic nematodes (Steinernema glaseri, S. feltiae, S. carpocapsae, and Heterorhabditis bacteriophora). Only S. glaseri was virulent, and only at high numbers (LD(50) = 294 nematodes/larva). Prolonged contact with nematodes increased host mortality. Optimal conditions for S. glaseri with respect to soil type and soil moisture were determined. Maximum larval mortality was obtained with 7% moisture and a 50/50 mixture of chernozem and sand. These results suggest that these nematodes currently have little potential for the biological control of the European chafer in turfgrass.

Keywords: European chafer; biological control; entomopathogenic nematodes; turfgrass pest

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