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Stay at home aphids: comparative spatial and seasonal metapopulation structure and dynamics of two specialist tansy aphid species studied using microsatellite markers
(2011-06)
Two tansy-feeding aphids, Macrosiphoniella tanacetaria (MA) and Metopeurum fuscoviride (ME), were studied at a
small spatial scale in and around Jena (< 80 km2) using polymorphic microsatellite markers. Both species were ...
Effects of pea aphid secondary endosymbionts on aphid resistance and development of the aphid parasitoid Aphidius ervi: a correlative study
(2010-05)
In order to reduce parasite-induced mortality, hosts may be involved in mutualistic interactions in
which the partner contributes to resistance against the parasite. The pea aphid, Acyrthosiphon pisum
Harris (Hemiptera: ...
Spatial population dynamics of a specialist aphid parasitoid, Lysiphlebus hirticornis Mackauer (Hymenoptera: Braconidae: Aphidiinae): evidence for philopatry and restricted dispersal
(2010-01)
Within insect communities, the population ecology of organisms
representing higher trophic levels, for example, hymenopterous
parasitoids, may be influenced by the structure of
their insect hosts. Using microsatellite ...
Field Abundance Patterns and Odor-Mediated Host Choice by Clover Seed Weevils, Apion fulvipes and Apion trifolii (Coleoptera: Apionidae)
(2015-02)
The clover seed weevils Apion fulvipes Geoffroy, 1785 and Apion trifolii L., 1768
(Coleoptera: Apionidae) cause major losses to seed production of white clover (Trifolium repens L.) and
red clover (Trifolium pratense ...
Mating Strategies in Solitary Aphid Parasitoids: Effect of Patch Residence Time and Ant Attendance
(2011-06)
Mate finding and dispersal from the natal patch in parasitoid Hymenoptera
are influenced by the availability of host resources and interactions with other
organisms. We compared the mating behavior of three solitary aphid ...
Planting Pits’ Effects on Soil Nutrients in a Sorghum and Pigeon Pea Rotation in Semi-arid Areas of Eastern Kenya
(Science Domain International, 2016-12)
Planting pits are rain water harvesting structures that trap water and nutrients in surface runoff and
rain water falling directly into the pits. Planting pits have been promoted for improving crop yields
without considering ...
Effect of adoption of Financial Innovation on Performance of small and medium Enterprises in Kenya
(2016-04)
Small and Medium Enterprises (SMEs) are the main drivers of economic and social development
in emerging economies. They represent a large number of businesses in a country that generate
wealth and employment. They are ...
Effect Of Financial Innovations On Performance Of Microfinance Institutions In Nakuru Town, Kenya
(Journal of Business and Management, 2016-10)
Abstract: Innovation is described as the process by which, firms master and implement design, and the production of goods and services that are new to them. Innovations generally assume different forms such as product ...
Factors Influencing Price Undercutting in The Insurance Sector in Nakuru County in Kenya
(2016-09)
A number of insurance firms in Kenya have been facing several challenges. The competition has been
stiff in the sector which has occasioned price undercutting. This has resulted in reduced revenue, mergers of
insurance ...
Kiswahili Poetry and Its Role in Preservation of the History of Struggle for Freedom in Africa
(2015)
This research investigated the portrayal of the African politician in Kiswahili poetry.
Basically, this research intended to shed light on how different poets have portrayed
African politicians creatively with a purpose ...