International Journal of Tropical Insect Science
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Eggshell Fine Structure of Amata passalis F. (Lepidoptera: Amatidae), A Pest of Mulberry
International Journal of Tropical Insect Science - Tập 23 - Trang 325-330 - 2003
—The eggshell fine structure of a lepidopteran pest of mulberry, Amata passalis F. (Lepidoptera: Amatidae), was investigated using scanning electron microscopy. The micropylar rosette around the micropyle, shell imprints, aeropyles and regional differentiation were studied. The surface of the amatid eggshell had a highly decorated chorion with structural difference at the anterior and posterior po...... hiện toàn bộ
Ovipositional Responses of Chilo partellus (Swinhoe) to Certain Susceptible and Resistant Maize Genotypes
International Journal of Tropical Insect Science - Tập 6 - Trang 331-335 - 1985
The ovipositional responses of the stem-borer, Chilo partellus, to the susceptible maize genotype, inbred A, are higher than to the resistant genotype, ICZ1-CM. These responses are elicited by certain characters of the plants that are perceivable prior to the moths’ arrival on the plants (distance-perceivable) as well as those perceivable after arrival on the plant (contact-perceivable). Distance-...... hiện toàn bộ
Molecular identification and characterization of Muscid flies (Diptera: Muscidae) of medico-veterinary importance from the Gangetic plains of Eastern India
International Journal of Tropical Insect Science - Tập 42 - Trang 3759-3769 - 2022
The Muscid flies belonging to the order Diptera, Family Muscidae, are notoriously famous for their ability to transmit disease-causing organisms to humans, livestock, and even plants. The huge species count of this group not only makes the classical method of identification laborious but also error-prone. Therefore, in this study, we analysed cytochrome oxidase 1 (cox1) barcodes to test their abil...... hiện toàn bộ
Evaluating an Insect Pest Management System in an Irrigated Rice Environment
International Journal of Tropical Insect Science - Tập 16 - Trang 93-101 - 1995
The efficiency and profitability of an integrated pest management system consisting of a phytosanitary survey and threshold interventions (based on levels of insect damage) was tested at the Vallée du Kou irrigated rice scheme in Burkina Faso, for two consecutive crop seasons in 1987. There was a considerable advantage in cost, number of insecticidal applications and yield of a threshold intervent...... hiện toàn bộ
Conservation and Encouragement of Natural Enemies of Insect Pests in Dryland Subsistence Farming: Problems, Progress and Prospects in the Sahelian Zone
International Journal of Tropical Insect Science - Tập 8 - Trang 791-795 - 1987
Pearl millet, sorghum, maize and cowpea are important food crops in dryland areas of the Sahel. Losses caused by insects on these low input crops are variable but generally substantial. Basic information on the role of natural enemies is scant. An example of a recent applied research which is mainly directed towards the management of millet earhead caterpillar, Raghuva albipunctella Joannis is nar...... hiện toàn bộ
Studies on the Red Locust, Nomadacris septemfasciata (Serville) (Acrididae: Cyrtacanthacridinae): Bibliography for the Period 1940–1998
International Journal of Tropical Insect Science - Tập 19 - Trang 377-397 - 2000
This paper is a compilation of abstracts of 91 published articles on the red locust, Nomadacris septemfasciata (Serville) for the period 1940–1998. The summaries have been compiled from material held in the library of IRLCO-CSA at Ndola, Zambia and the University of Zambia, Lusaka. The articles deal with different aspects of the biology, ecology and control of the red locust with about equal cover...... hiện toàn bộ
Effect of temperature on the development and predatory potential of Exochomus nigripennis (Erichson) (Col.: Coccinellidae) fed on Gossyparia spuria (Modeer) (Hem.: Eriococcidae)
International Journal of Tropical Insect Science - Tập 40 - Trang 723-728 - 2020
In this study, the effect of four temperatures (23,27, 31, and 35 °C) were evaluated on the development and predatory potential of Exochomus nigripennis (Erichson) (Col.: Coccinellidae) fed on Gossyparia spuria (Modeer) (Hem.: Eriococcidae) under laboratory conditions (60 ± 5% RH, and a photoperiod of 16:8 (L:D) h). The longest developmental time of total immature stages was at 23 °C (49.0 days) a...... hiện toàn bộ
Efficacy of Natural Embelin Against the Red Flour Beetle, Tribolium Castaneum Herbst
International Journal of Tropical Insect Science - Tập 6 - Trang 217-220 - 1985
The efficacy of natural embelin isolated from berries of Embelia ribes Burm. against Tribolium Castaneum Herbst is discussed. Embelin mixed with wheat samples at concentrations of 0.1875% and above exhibited high efficacy by bringing about adult mortality even after 8 months of storage. Productivity (progeny/adult-day) of the test insect was also reduced significantly in treatments as compared to ...... hiện toàn bộ
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