Entomologia Experimentalis et Applicata

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Combined effects of allelochemicals, prey availability, and supplemental plant material on growth of a generalist insect predator
Entomologia Experimentalis et Applicata - Tập 87 Số 2 - Trang 181-189 - 1998
Laura Anne Weiser, Nancy E. Stamp
AbstractWe examined the effects of the presence of plant allelochemicals in prey diet, prey availability and supplemental plant material on the growth of the generalist predator Podisus maculiventris (Hemiptera: Pentatomidae). We tested two different nymphal stages of this predator. Third to fourth instar nymphs and fifth instar nymphs we...... hiện toàn bộ
Searching behavior and time budgets of the predator Podisus maculiventris
Entomologia Experimentalis et Applicata - Tập 60 Số 1 - Trang 83-93 - 1991
Robert N. Wiedenmann, Robert J. O’Neil
AbstractSearching behavior of the predaceous insect Podisus maculiventris (Say) (Heteroptera: Pentatomidae) was investigated in the laboratory to verify assumptions made in a predator search model. Female predators were placed into an arena containing 30 lima bean plants (Phaseolus lunatus L.), each having five ...... hiện toàn bộ
Effect of plants on the searching efficiency of a generalist predator: the importance of predator‐prey spatial association
Entomologia Experimentalis et Applicata - Tập 83 Số 1 - Trang 1-10 - 1997
Moshe Coll, L. A. Smith, Richard L. Ridgway
AbstractIn most studies of tritrophic interactions, the effect of plants on predators is confounded with changes in prey and predator behaviors after an encounter event. Here, we estimate how the effect of plants on prey distribution (in the absence of the predator) and on predator foraging behavior (in the absence of prey) may influence predation rate of ... hiện toàn bộ
DEVELOPMENTAL INTERACTIONS BETWEEN THE TOBACCO HORNWORM MANDUCA SEXTA AND ITS BRACONID PARASITE APANTELES CONGREGATUS1
Entomologia Experimentalis et Applicata - Tập 23 Số 2 - Trang 139-151 - 1978
Nancy E. Beckage, Lynn M. Riddiford
After newly hatched Manduca sexta larvae were parasitized by Apanteles congregatus, the wasps emerged from third, fourth, fifth, or supernumerary sixth stage host larvae. The number of parasites present within a host determined the time required for Apanteles development and the final h...... hiện toàn bộ
ACCLIMATIZATION TO COLD IN INSECTS1
Entomologia Experimentalis et Applicata - Tập 3 Số 1 - Trang 27-37 - 1960
E. H. Colhoun
Evidence is given that insects acclimatized to colder temperatures are more resistant to immobilization by cold. There is a temperature below which further acclimatization is not achieved. Data are presented for the rate of gain and loss of cold tolerance. This is further evidence of acclimatization. The rate of recovery after immobilization by cold is related to th...... hiện toàn bộ
CHILL‐COMA AND COLD DEATH TEMPERATURES OF APIS MELLIFERA
Entomologia Experimentalis et Applicata - Tập 3 Số 3 - Trang 222-230 - 1960
J. B. Free, Yvette Spencer‐Booth
Worker bees have a lower chill‐coma temperature than drones or queens, which is influenced by their acclimatisation temperature as is their food consumption at a given temperature. Most bees die after 50 hrs. in chill coma, and survive longer at 5° C than at 0 or 10° C. Cold death occurs between −2 and −6° C and is unaffected by acclimatisation. Winter bees have low...... hiện toàn bộ
Predation of the miteHypoaspis aculeiferon the springtailFolsomia fimetariaand the influence of sex, size, starvation, and poisoning
Entomologia Experimentalis et Applicata - Tập 118 Số 1 - Trang 61-70 - 2006
Erik Baatrup, Mark Bayley, Jørgen Aagaard Axelsen
AbstractShort‐range predator–prey interactions among small soil‐dwelling arthropods are poorly understood. In this study, we measured the behavioural interactions between the predacious miteHypoaspis aculeiferCanestrini (Gamasida: Laelapidae) and its collembolan preyFolsomia fimetariaL. (Collembola: Isotomidae) ...... hiện toàn bộ
Experimental induction and termination of non‐reciprocal reproductive incompatibilities in a parahaploid mite
Entomologia Experimentalis et Applicata - Tập 87 Số 1 - Trang 51-58 - 1998
Denise L. Johanowicz, Marjorie A. Hoy
AbstractTwo experiments were conducted to investigate the relationship between rearing temperatures, the presence or absence of Wolbachia endosymbionts, and non‐reciprocal reproductive incompatibility in inbred lines of the parahaploid phytoseiid mite Metaseiulus occidentalis (Nesbitt) (Acari: Phytoseiidae).... hiện toàn bộ
Change in foraging behaviour of the predatory mite Phytoseiulus persimilis after exposure to dead conspecifics and their products
Entomologia Experimentalis et Applicata - Tập 88 Số 3 - Trang 295-300 - 1998
Conny Schütte, Peter van Baarlen, H. Dijkman, Marcel Dicke
AbstractAdult females of the predatory mite Phytoseiulus persimilis Athias‐Henriot are strongly attracted to infochemicals released by plants infested with their prey, the two‐spotted spider mite (Tetranychus urticae Koch), thereby effectively locating their prey. However, we found a consistently lower degree of...... hiện toàn bộ
Response of predatory mites with different rearing histories to volatiles of uninfested plants
Entomologia Experimentalis et Applicata - Tập 64 Số 2 - Trang 187-193 - 1992
Junji Takabayashi, Marcel Dicke
AbstractThe behavioural response of the predatory mite Phytoseiulus persimilis to volatiles from several host plants of its prey, spider mites in the genus Tetranychus, was investigated in a Y‐tube olfactometer. A positive response to volatiles from tomato leaves and Lima bean leaves was recorded, whereas no res...... hiện toàn bộ
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