Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 4 of 4 for “"Costelytra zealandica"”.
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Field assessment of a sex attractant for control of grass grub, Costelytra zealandica (White)
… season of the grass grub beetle, Coatelytra zealandica (White), an attempt was made to suppress populations on small scale field plots by mass trapping male beetles using simple water traps baited with the synthetic sex attractant, Durez 12687. Populations were monitored before, during and …
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Sex pheromone studies on the grass grub (Costelytra Zealandica (White)) and the common army worm
… of a sex pheromone of the grass grub beetle, Costelytra zealandica, and the attempts to use the sex pheromone directly to control grass grub infestations. The partial identification of a sex pheromone of the common armyworm moth, Pseudaletia separata, is also described. The larval stages of …
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The soil ecology of Serratia entomophila, A bacterial pathogen of the New Zealand grass grub, Costelytra zealandica (White)
… control agent for the New Zealand grass grub Costelytra zealandica (White) (Coleoptera: Scarabaeidae). The bacterium causes amber disease; the larvae stop feeding and develop a characteristic amber coloration before death. Insect pest control by pathogens is often not optimized because of …
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Aspects of the root ecology of Neotyphodium endophytes in Lolium perenne
… or survival of root-feeding larvae of the scarab Costelytra zealandica. Endophyte infection had no discernible adverse effects on populations of Collembola, oribatid mites or dorylaimid nematodes. Higher root aphid populations were associated with higher populations of Collembola and lower …