Hot-Water Dip for Control of Fuller Rose Beetle Eggs, 1986

Fuller rose beetle eggs were obtained by allowing beetles to oviposit between layers of wax paper. Egg masses on wax paper, 0-7 days old, were randomized and placed in stainless steel screen cages (6 cm long × 18 mm diam) closed with cork stoppers. The cages contained an average of 505 eggs/each and...

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Bibliographic Details
Published in:Insecticide and acaricide tests 1988-01, Vol.13 (1), p.360-360
Main Authors: Soderstrom, Edwin L., Brandl, David G.
Format: Article
Language:English
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Summary:Fuller rose beetle eggs were obtained by allowing beetles to oviposit between layers of wax paper. Egg masses on wax paper, 0-7 days old, were randomized and placed in stainless steel screen cages (6 cm long × 18 mm diam) closed with cork stoppers. The cages contained an average of 505 eggs/each and were submerged in a water bath at several temperatures (±0.5°C) and durations as shown in the table. Posttreatment conditions were 27°C at 85% RH. Mortality counts made 1 mo after treatment consisted of fully developed embryos and hatched eggs versus undeveloped eggs. Each test was replicated 3 times. Embryos with clearly defined head capsules and body segmentations were considered fully developed.
ISSN:0276-3656
DOI:10.1093/iat/13.1.360