Environmental & Physical Sciences

Semiochemicals Mediating Oviposition and Mating Behaviours of Mango Infesting Fruitfly Bactrocera Invadens

Description: A Thesis Submitted for the Degree of Doctor of Philosophy (Chemistry

Studiea on the Transmission and Survival of Nosema sp (Microspora:Nosematidae)

INTRODUCTION Sorghum bicolor Moench is one of the main staple food grains. The ce

Discrimination of Hypotrigona species (Apidae: Meliponinae) in Kenya using nest architecture, cephalic secretions and molecular tools

Abstract: Stingless bees are important pollinators contributing significantly to

Ethnobotanicals for management of the brown ear tick Rhipicephalus appendiculatus in western Kenya

Abstract: This thesis describes the results of a study to assess the effect of et

Juvenile Hormone Regulation of Vitellogen Genes in the African Migratory Locust

Abstract: In Locusta migratoria, vitellogenin (Vg) synthesis is normally induced

Genetic variability in Cotesia Davipes and its importance in biological control of lepidopteran stemborers

Abstract: Lepidoperan stemborers are a major constraint to increasing the product

Host acceptability, suitability, interaction and establishment of two introduced Liriomyza leafminer endoparasitoids: Halticoptera arduine (Walker) (Hymenoptera: Pteromalidae) and Chrysochari

Abstract: Liriomyza (Diptera: Agromyzidae) leafminers are pests of economic impor

Characterisation of key pests of amaranth and nightshades in Kenya and development of integrated pest management (IPM) strategies

Abstract: Scanty information is available concerning the identity of the major pe

Nectar feeding and volatile chemical signatures influencing host plant selection in major Afrotropical mosquito disease vectors

Abstract: Although it is widely accepted that plant resources play an important r

The Environmental and agricultural factors that regulate Malaria Vector Productivity and Diversity in Mwea Irrigation Scheme, Kirinyaga District, Kenya

Abstract: Malaria continues to be a major cause of morbidity and mortality in Ken

Morphometric and Molecular Comparisons of Two Isolated Populations of the Desert Locust, Shistocerca Gregaria, (Orthoptera: Acrididae)

Introduction: In Africa, there are two well known subspecies of the desert locust

The Sweet Potato Butterfly Acraea acerata in Ethiopia ecology and economic importance

Abstract: The sweet potato butterfly (Acraea acerata Hew.) has become an importan

Pheromone and population genetics analyses of Clavigralla species in Africa

Abstract: Cowpea (Vigna unguiculata (L.) Walp) and common bean (Phaseolus vulgari

Management of Spoladea recurvalis (Lepidoptera: Crambidae) on amaranths using biopesticides

Abstract: Amaranths are African indigenous vegetables (AIVs) that are gaining pop

Bio-control potential of the Fungus Beauverja Bassiana (balsamo) against the Desert locust, schistocerca gregaria (forskal)

Abstract: Pathological potential of the fungus Beauveria bassiana Balsamo on the

DE LA REPULSION CHEZ LES INSECTES - Cas d’étude du moustique Anopheles gambiae et de la mouche blanche Bemisia tabaci -

Abstract: D’après la FAO, il faudra nourrir 9 milliards de personnes en 2050 ce q

Patterns of Relationship between Banana (musa spp.) types and the Banana weevil, Cosmopolites Sordidus (germar)(Coleoptera:Curculionidae)

Abstract: Banana (Musa spp.) is an important food crop of the humid tropical lowl

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

Abstract: Grasses in the genus Brachiaria, commonly known as brachiaria are grown

Microorganism-mediated behaviour of Malaria Mosquitoes

Abstract: Host-seeking is an important component of mosquito vectorial capacity o

Development and Implementation of Pre and Post-harvest Management Measures for Bactrocera (invadens) dorsalis (Drew, Tsuruta and White) and Ceratitis cosyra (Walker) (Diptera: Tephritidae) on

Abstract: Mango, Mangifera indica L (Anacardiaceae) is an important tropical frui

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

Abstract: It is not well understood how termites survive in hemiedaphic habitats

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

Abstract: Conservation of Apis mellifera requires detailed knowledge of the subsp

Biodiversity and Ecosystem Services: Pollination, Biological Control, and Nature Conservation in Agricultural Landscapes

Abstract: Agriculture has done more damage to nature than any other human activit

Olfactory preferences of gravid female stable flies, Stomoxys calcitrans L. (Diptera: Muscidae), and their fitness consequences

Abstract: Oviposition decisions are a prominent example of behaviour directly aff

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

Abstract: Grain legumes are among the key economical crops widely grown in wester

Ecosystem services and disservices in small-scale tropical agriculture

Abstract: Small-scale farmlands are dynamic systems crucial to the food-security

Host-seeking behaviour of Anopheles mosquitoes in response to olfactory and visual cue

Abstract: Chapter 18 IntroductionSuccess in malaria vector control in recent year

Understanding Striga occurrence and risk under changing climatic conditions across different agroecological farming systems at local and regional scales

Abstract: The invasion by Striga in most cereal crop fields in Africa has posed a

Chemical ecology of plant-to-plant communication and opportunities for maize stemborer management in Africa

Abstract: Maize is the most widely grown cereal crop worldwide, and is the most i

Damage to citrus and vegetables by Thaumatotibia leucotreta (Lepidoptera: Tortricidae) and prospects for control with entomopathogenic fungi

Abstract: Globally, orange is one of the major fruit crops contributing to nutrit