Volatile compounds released by disturbed females of the bethylid wasp cephalonomia stephanoderis betrem were collected and analyzed by gas chromatographymass spectrometry. Comparison of two release techniques for the use of cephalonomia stephanoderis hymenoptera. Farmers perceptions, knowledge, and management of coffee. Abridged life tables for cephalonomia stephanoderis and prorops nasuta hymenoptera. Host stage selection and suitability in cephalonomia stephanoderis betrem hymenoptera. Three species of bethylid wasps, prorops nasuta waterston, cephalonomia stephanoderis betrem, and c. Pdf description of the life stages of cephalonomia. Cephalonomia stephanoderis also engages in intraguild predation, consuming pupae of c. Another bethylid, cephalonomia stephanoderis betrem figure 2, was discovered as a solitary larval and pupal ectoparasitoid of the co ee berry borer in the ivory coast ticheler, 1961. The bethylidcephalonomia stephanoderis betrem is an ectoparasitoid that prefers to oviposit on the prepupae and pupae of the coffe berry borerhypothenemus hampei ferrari. When several references are cited, they may give conflicting information on the status.
Bethylidae, a parasitoid of the coffee berry borer. The applied treatments were pollens of turnera ulmifolia, arachis. Comparison of two release techniques for the use of cephalonomia stephanoderis. The coffee system model consists of 14 linked agestructured population sub models on a per tree basis. Bethylidae, to control the coffee berry borer hypothenemus hampei. The coffee borer beetle or coffee berry borer hypothenemus hampei is a small beetle native to africa.
Species breeding under local mate competition conditions have sex ratios biased towards females, a trait that is often associated with male haploidy arrhenotoky. Description of the life stages of cephalonomia stephanoderis hymenoptera. The coffee plant model consists of seven sub models for the different organs. Rearing and aspects of biology of cephalonomia stephanoderis and prorops nasuta hymenoptera. Cephalonomia hyalinipennis has also been reported to be a native parasitoid of the coffee berry borer. Pdf abridged life tables for cephalonomia stephanoderis. The homologue of the resistance to dieldrin gene rdl in drosophila melanogaster was cloned and sequenced in the scolytid beetle hypothenemus hampei, a coffee pest resistant to cyclo. Evidence for a marking pheromone in host discrimination by cephalonomia stephanoderis hym. Host stage selection and suitability in cephalonomia. Evidence for a marking pheromone in host discrimination by.
Cephalonomia hyalinipennis is able to hyperparasitise and consume pupae of c stephanoderis and p. The bethylid wasps cephalonomia stephanoderis betrem and prorops nasuta waterston are parasitoids of the coffee berry borer, hypothenemus hampei ferrari, the most serious insect pest. Florida entomologist an international journal for the americas has published reports of research on insects and other arthropods since 1917. Biological aspects and demographic parameters of cephalonomia stephanoderis betrem hymenoptera. Effect of pollen feed on parasitization and predatism of. Small farmers perceptions of coffee coffea arabica l. Scolytidae is reared for the mass rearing of the parasitoid cephalonomia stephanoderis betrem hymenoptera. Page 2 electrical requirements green and yellow to earth before. Singlestranded dna conformation polymorphism at the rdl. Adults of cephalonomia stephanoderis betrem were detected in november 2003 during the sampling of coffea canephora pierre ex a.
There are more than 20 described species in cephalonomia species. Effect of female body size and adult feeding on the. Pdf cephalonomia stephanoderis betrem and prorops nasuta waterston are two bethylid parasitoids obtained from africa for the biological control of the. In 1994, it became the first longpublished, refereed, natural science journal to make its content available on the internet and the first journal to use pdf. New developments in mass production of parasitoids. Alternative hosts for bethylid parasitoids of the coffee. Cephalonomia stephanoderis betrem and prorops nasuta waterston are two bethylid parasitoids obtained from africa for the biological control of the coffee berry borer, hypothenemus. The influence of female body size and adult feeding on the fecundity and longevity of female cephalonomia stephanoderis betrem hymenoptera. Comparison of two release techniques for the use of. Read interspecific competition between cephalonomia stephanoderis and prorops nasuta hym.
It is among the most harmful pests to coffee crops across the world where coffee is cultivated. Strategies from latin america that could be useful for coffee farmers in hawaii luis f. For full access to this pdf, sign in to an existing account, or purchase an annual subscription. Bethylidae, a parasitoid of hypothenemus hampei coleoptera. The coffee berry borer cbb hypothenemus hampei ferrari coleoptera. The objective of this study was to investigate the effect of cover crop and weed pollens on parasitization and predatism of c.
Froehner berries damaged by hypothenemus hampei ferrari. The distribution in this summary table is based on all the information available. Cephalonomia is a genus of parasitoid wasps in the family bethylidae. Pdf occurrence of cephalonomia stephanoderis betrem. We describe behavioral sequences and daily activities of preovipositing and ovipositing females of cephalonomia stephanoderis hymenoptera. Cephalonomia stephanoderis pdf dynamic pdf factory.
1545 1260 1452 1355 1338 250 893 199 97 511 738 867 365 299 950 1075 486 580 901 753 1547 160 808 996 269 128 489 1198 691 1119 800 974 916 1235 547 957