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Relationship between virulence and repellency of Metarhizium anisopliae and Beauveria bassiana towards Macrotermes michaelseni and chemical identification of the mediating signals

Mburu, David M. (Jomo Kenyatta University of Agriculture and Technology, 2009)

It is not well understood how termites survive in hemiedaphic habitats with diverse array of potentially infective fungi. In the present study, it was initially found that Macrotermes michaelseni detected a virulent isolate ...

Interaction between Pheromons and Hormones in Phase Dynamics of the Desert gregaria (Forskal)

Tawfik, Amer I. (Assiut University, 1995)

Studies on the nymphal aggregation pheromone of Malagasy Migratory Locust, Locusta migratoria capito (Saussure, 1884) and its effects on adult maturation

Razafindranaiv, Victor (Jomo Kenyatta University of Agriculture and Technology, 2010)

The Malagasy migratory locust, Locusta migratoria capito (Saussure, 1884), is the most destructive pest in the Malagasy agricultural production system. The recent plague between 1996 and 2000 during which economic losses ...

Changes in Lipophorin Structure and Function during Phase Transition in Schistocerca gregaria (Forskal) (Orthoptera: Acrididae)

Ogoyi, Dorington O. (University of Nairobi, 1993)

The desert locust, Schistocerca gregaria is a major agricultural pest especially in the gregarious phase when it can cover an infestation area of approximate!~ 20% of the total land mass. The solitary phase on the other ...

Odour detection in the desert locust, Schistocerca gregaria: antennal structure and function

Ochieng', Samuel A. (University of Lund, 1997)

Insects are among the most successful organisms in the animal Kingdom. Their capacity to survive and reproduce depends greatly on their ability to identify and respond selectively to cues from a heterogeneous environment. ...

Identification between Schistocerca gregaria (Forskal) and Locust Migratorioides (Riech &Farmaire) in Relation to Phase Polymorphism

Niassy, Abdoulaye (Oklahoma State University, 1996)

Cross pheromone-mediating releaser effects between the desert locust, Schistocerca gregaria gregaria, and the African migratory locust, Locusta migratoria migrator_ioides, were investigated in olfactometer bioassays. ...

Morphometric and Molecular Comparisons of Two isolated Populaions of the Desert Locust, Schistocerca gregaria (Orthoptera: Arcididae)

Mohammed, Abdel F. (Ain Shams University, 1996)

In Africa, there are two well known subspecies of the desert locust: the sahara subspecies, Schistocerca gregaria gregaria (Forskal) and the southern west subspecies, Schistocerca gregaria flaviventris (Burmeister) . The ...

Reproductive Behaviour of the Solitarious Desert Locust Schistocerca Gregaria (Forskal) in Relation to Semiochemical Attributes of Desert Plants

Ely, Sidi O. (University of Khartoum, 2003)

Sexual attraction in the desert locust was investigated by monitoring sexual behaviour of solitary-reared, gregarizing and gregarious locusts. Gregarizing males were significantly more attracted to volatiles from solitarious ...

Studies on some Factors that Influence Phase Dynamics of the Desert Locust, Schistocera gragaria (Forskal) (Orthoptera: Acrididae)

Deng, Arop Leek (University of Khartoum, 1995)

The rate and the degree of reversible change in the phase characteristics of the desert locust, Schistocerca gregaria (Forskal), on crowding and uncrowding have been compared by two new parameters, aggregation pheromone ...

Studies on Native Trichogramma (Hymenoptera: Trichogrammatidae) for Biocontrol of Selected Lepidopteran Pests in Kenya

Haile, Abera T. (Kenyatta University, 2001)

Trichogramma species parasitise eggs of Lepidoptera and have been extensively used in augmentative biological control. Studies were conducted during 1997-2001 on the native egg parasitoids occurring in Kenya. The objectives ...

Modelling Host-Parasitoid System Dynamics Applicable to Diamondback Moth Fluctuations

Tonnang, Henri E. Z. (University of Nairobi, 2008)

Integrated pest management (IPM) systems utilizing the use/release of the parasitoid Diadegma semiclausum have been developed to replace the pesticides only approach to diamondback moth (DBM) Plutella xylostella (L.), ...

Characterization of Motility and Erythrocyte Adherence as virulence factors in African trypanosomes

Bargul, Joel Ltilitan (Julius-Maximilians-Universität Würzburg, 2015)

Pathogens causing African animal trypanosomiasis (AAT), the major livestock disease in subSaharan Africa, belong to the salivarian group of the African trypanosomes, which are transmitted by the bite of the tsetse fly ...

Relative abundance of the Wild silkmoth, Argema mimosae boisduval on different Host plants and host selection Behaviour of parasitoids, at Arabuko Sokoke forest

Ngoka, Bonface (Kenyatta University, 2012)

Sustainable utilization of natural resources and biodiversity conservation form the basis of the livelihood and existence of communities living in Africa and in other developing countries. Overexploitation of natural ...

Microorganism-mediated behaviour of Malaria Mosquitoes

Busula, Annette Obukosia (Wageningen University, 2017)

Host-seeking is an important component of mosquito vectorial capacity on which the success of the other behavioural determinants depends. Blood-seeking mosquitoes are mainly guided by chemical cues released by their blood ...

Combining Malaria control with rural electrification: Social and behavioural factors that influenced the design, use and sustainability of solar-powered mosquito trapping systems (SMoTS) for Malaria elimination on Rusinga Island, Western Kenya

Oria, Prisca (Wageningen University, 2016)

The research on which this thesis is based was carried out as part of a multidisciplinary project, “SolarMal”, which aimed to evaluate proof of principle for the elimination of malaria from Rusinga Island by augmenting the ...

Differential attractiveness of humans to the African malaria vector Anopheles gambiae Giles: Effects of host characteristics and parasite infection.

Mukabana, Wolfgang Richard (Wageningen University and Research Centre, Netherlands, 2002)

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Understanding agronomic and phytochemical properties of Brachiaria for management of cereal stemborers in East Africa

Cheruiyot, Duncan (North-West University, 2018)

Grasses in the genus Brachiaria, commonly known as brachiaria are grown as a fodder crop in sub-Saharan Africa, with some genotypes being used in management of the spotted stemborer Chilo partellus (Swinhoe) (Lepidoptera: ...

Economics of integrating push-pull technology in maize-dairy farming systems in eastern Uganda

Chepchirchir, Ruth (Kenyatta University, 2018)

Cereals particularly maize, are the most essential food and cash crops for majority of smallholder households in Sub-Saharan Africa (SSA). In maize production, small-sized producers are confronted with different constraints ...

Diversity of honeybee Apis melifera (Hymenoptera: Apidae) Sub-species and their Assocaiated Arthropod pests in Cameroon

Tembong, David (University of Nairobi, 2017)

Conservation of Apis mellifera requires detailed knowledge of the subspecies identity, diversity and factors threatening their survival. Despite the increasing reports on the spread and damage caused by both exotic and ...

An Autodissemination Strategy using Entomopathogenic Fungi and kairomonal attractants for Managing thrips on Grain Legumes

Mfuti, Kupesa (North-West University, 2016)

Grain legumes are among the key economical crops widely grown in western and eastern Africa as important sources of food and animal fodder. However, the production of grain legumes in Kenya is seriously affected by a complex ...

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