1992/06/01 by P. S. Baker, P.S. Baker, C. Ley +3 · 1 citation
Agricultural and Biological Sciences · Environmental Science · Medicine · #Coffee research and impacts #Forest Insect Ecology and Management #Insect and Pesticide Research
paper · doi:10.1017/s000748530005166x
crossref issued 1992/06/01 · crossref published 1992/06/01 · crossref published-print 1992/06/01 · openalex publication_date 1992/06/01 · crossref published-online 2009/07/10 · crossref created 2009/07/13 · crossref deposited 2019/05/16 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/31 · crossref indexed 2026/07/31
Abstract Emergence of coffee berry borer, Hypothenemus hampei (Ferrari), from infested coffee berries ( Coffea arabica ) was studied in the laboratory under controlled temperature and relative humidity (RH) regimes. Low humidities (<60% RH, 25°C) provoked rapid evacuation of adults. Emergence was at a minimum at 90% RH. A steady increase in emergence occurred at values from 90 to 100% RH. Emergence was low below 20°C (90 and 100% RH) and increased markedly between 20 and 25°C. There was no significant increase in emergence above 25°C. Using a simple flight event recorder, emergence flight times were found to peak at the time of maximum daily ambient temperatures on successive days. Under constant temperature conditions successive peaks of emergence were not seen. Results are discussed in relation to control and sampling procedures.