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Technical notes. Toxicities of insecticides to pasture white grubs in Queensland

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Saunders, G.W. (1959) Technical notes. Toxicities of insecticides to pasture white grubs in Queensland. Queensland Journal of Agricultural Science, 16 (3). pp. 239-243.



Larvae of Rhopaea magnicornis Blkb. and Lepidiota caudata Blkb. (see Saunders 1958) were bred or collected in the field and first-stage Dermolipeda albohirtum Waterh. (bred) were used in one series as this species is controlled in sugarcane fields by applications of BHC (Mungomery 1949, Wilson 1956). The insecticides were thoroughly mixed with air-dry soil from relevant habitats, but p.p.m. (active) were calculated on oven-dry weights. Either one third-stage, two second-stage, or five first-stage larvae were placed in each pot containing about 1 lb. of soil (and insecticide) kept suitably moist. No fewer than 100 larvae per treatment were used. When examining larvae the pot contents were placed in a scoop, and after adding water, if required, were returned to the pot.

Item Type:Article
Corporate Creators:Department of Agriculture and Fisheries, Queensland
Subjects:Science > Zoology > Invertebrates > Insects
Plant culture > Field crops > Sugar plants
Plant pests and diseases > Pest control and treatment of diseases. Plant protection > Pesticides
Animal culture > Rangelands. Range management. Grazing
Live Archive:25 Jun 2024 03:49
Last Modified:25 Jun 2024 03:49

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