Journal Articles: Recent submissions

Now showing items 181-199 of 199

The butterfly Danaus chrysippus (Lepidoptera: Nymphalidae) in Kenya is Variably Infected with Respect to Genotype and Body Size by a Maternally Transmitted Male-killing Endosymbiont (Spiroplasma)

Herren, Jeremy A.; Gordon, Ian; Holland, PeterW. H.; Smith, David (International Centre of Insect Physiology and Ecolopgy, 2007)

Female-biased sex ratios in Danaus chrysippus (Linnaeus) (family Nymphalidae, subfamily Danainae, tribe Danaini) populations are attributed to the action of an endosymbiotic ‘male-killer’ bacterium of the genus Spiroplasma. ...
C-methylated and C-prenylated isoflavonoids from Root Extract of Desmodium Uncinatum

Guchu, Salome M.; Yenesew, Abiy; Tsanuo, Muniru K.; Gikonyo, Nicholas K.; Pickett, John A.; Hooper, Antony M.; Hassanali, Ahmed (Elsevier, 2007)

A pterocarpan, 1,9-dihydroxy-3-methoxy-2-methylpterocarpan (named uncinacarpan) and two isoflavanones, 5,7-dihydroxy-20,30,40- trimethoxy-6-(3-methylbut-2-enyl)isoflavanone (named uncinanone D) and 5,40-dihydroxy-7,20-di ...
Specialized Prey Selection Behavior of Two East African Assassin Bugs, Scipinnia repax and Nagusta sp. that Prey on Social Jumping Spiders

Jackson, Robert R; Salm, Kathryn; Nelson, Ximena J (Journal of Insect Science, 2010)

The prey choice behavior and predatory strategies of two East African assassin bugs, Scipinnia repax (Stäl 1961) and Nagusta sp. (Hemiptera: Reduviidae), were investigated in the field and the laboratory. Both of these ...
Evaluation of Various Mulberry Morus spp. (Moraceae) Cultivars for the Rearing of the Bivoltine Hybrid Race Shaanshi BV-333 of the silkworm Bombyx mori (Lepidoptera: Bombycidae)

Adolkar, V. V.; Raina, S. K.; Kimbu, D. M. (International Centre of Insect Physiology and Ecolopgy, 2007)

The performance of the Bombyx mori Linnaeus bivoltine hybrid, Shaanshi BV-333, was evaluated on six mulberry cultivars of Morus spp. based on economic characters in rearing and mulberry leaf quality. The growth rate and ...
Effect of seasons and larval food plants on the quality of Gonometa postica cocoons

Fening, Ken O.; Kioko, Esther N.; Raina, Suresh K.; Mueke, Jones M. (Springer Science, 2010)

The effect of food plants [Acacia elatior Brenan, A. tortilis (Forssk.) and A. nilotica (L.) Del.]on the development time of Gonometa postica Walker (Lepidoptera: Lasiocampidae) larvae and the quality of their cocoons was ...
Influence of Visual and Olfactory Cues on Field Trapping of the Pollen Beetle, Astylus atromaculatus (Col.: Melyridae)

Berg, Van den; Torto, B.; Pickett, J. A.; Smart, L. E.; Wadhams, L. J.; Woodcock, C. M (Blackwell Verlag, Berlin, 2008)

Field trapping experiments investigated the response of the pollen beetle Astylus atromaculatus to visual and olfactory cues during a 3-year period, 1999–2001. The visual preference of the pollen beetle was determined using ...
Concentration-dependent Parsimonious Releaser Roles of Gregarious Male Pheromone of the Desert Locust, Schistocerca gregaria

Rono, Edwin; Njagi, Peter G.N.; Bashir, Magzoub O.; Hassanali, Ahmed (Elsevier, 2008)

The responses of (i) groups of crowd-reared mature males of desert locust, Schistocerca gregaria to a choice of two columns of air, one permeated with different concentrations of phenylacetonitrile (PAN), the major component ...
Long-distance Pollen flow Assessment through Evaluation of Pollinator Foraging Range Suggests Transgene Escape Distances

Pasquet, Remy S.; Peltiel, Alexis; Hufford, Matthew B.; Oudin, Emeline; Saulnier, Jonathan; Paul, Lenaic; Knudsen, Jette T.; Herren, Hans R.; Gepts, Paul (PNAS, 2008)

Foraging range, an important component of bee ecology, is of considerable interest for insect-pollinated plants because it determines the potential for outcrossing among individuals. However, long-distance pollen flow is ...
Observations of Portia africana, an araneophagic jumping spider, living together and sharing prey

Jackson, Robert R.; Pollard, Simon D.; Salm, Kathryn (Taylor & Francis, 2008)

Instances are documented of finding individuals of Portia africana in the field living aggregated in the webs of other spiders, in the nest complexes of other salticids, around solitary nests of other salticids, and around ...
The natural history of Myrmarachne melanotarsa, a social ant-mimicking jumping spider

Robert, R. Jackson; Ximena, J. Nelson; Kathryn, Salm (Taylor & Francis, 2008)

Myrmarachne melanotarsa, an ant-like jumping spider (Salticidae) from East Africa, is an accurate mimic of Crematogaster sp. and associates unusually closely with its models. M. melanotarsa is remarkable in that it forms ...
Impacts of Land use, Anthropogenic Disturbance, and Harvesting on an African Medicinal Liana

McGeoch, Lauren; Gordon, Ian; Schmitt, Johanna (Elsevier, 2008)

African medicinal plant species are increasingly threatened by overexploitation and habitat loss, but little is known about the conservation status and ecology of many medicinal species. Mondia whitei (Apocynaceae, formerly ...
Susceptibility of Immature Stages of the Locusts Schistocerca Gregaria and Locusta Migratoria Migratorioides to the Microsporidium Johenrea Locustae and Effects of Infection on Feeding and Fertility in the Laboratory

Maniania, Nguya K.; Vaughan, Larry J.; Ouna, Elizabeth (Taylor & Francis, 2008)

Second instar nymphs of African migratory locust, Locusta migratoria migratorioides, and desert locust, Schistocerca gregaria, were tested for their susceptibility to the microsporidium pathogen Johenrea locustae (Lange ...
Carbon Storage and Emissions offset Potential in an African Dry Forest, the Arabuko-Sokoke Forest, Kenya

Glenday, Julia (Springer Science + Business Media, 2008)

Concerns about rapid tropical deforestation, and its contribution to rising atmospheric concentrations of greenhouse gases, increase the importance of monitoring terrestrial carbon storage in changing landscapes. Emerging ...
Monitoring Wild Silkmoth, Gonometa Postica Walker, Abundance, Host Plant Diversity and Distribution in Imba and Mumoni Woodlands in Mwingi, Kenya

Fening, Ken O.; Kioko, Esther N.; Raina, Suresh K.; Mueke, Jones M. (International Journal of Biodiversity Science and Management, 2008)

A survey of the abundance of larvae and pupae of Gonometa postica Walker and their host plants....(continue from the attached pdf)
Shoot Epicatechin and Epigallocatechin Contents Respond to Water Stress in Tea [Camellia sinensis (L.) O. Kuntze]

Cheruiyot, Erick K.; Mumera, Louis M.; Ng'etich, Wilson K.; Hassanali, Ahmed; Wachira, Francis; Wanyoko, John K. (Taylor & Francis, 2008)

An experiment was conducted to determine the association of tea catechins to water stress in tea, with the objective of determining their suitability as indicators for predicting drought tolerance in tea (Camellia sinensis). ...
Do new Access and Benefit Sharing procedures under the Convention on Biological Diversity threaten the future of biological control?

Matthew, J. W. Cock; Joop C, van Lenteren; Jacques, Brodeur (Springer, 2010)

Abstract Under the Convention on Biological Diversity (CBD) countries have sovereign rights over their genetic resources. Agreements governing the access to these resources and the sharing of the benefits arising from their ...
Novel cross-stage Solitarising effect of Gregarious-phase adult desert locust (Schistocerca gregaria (Forska˚ l)) pheromone on hoppers

Magzoub, O. Bashir; Ahmed, Hassanali (Elsevier, 2009)

Previous studies had demonstrated stage differentiation in the cohesion (aggregation) pheromone systems of the desert locust, Schistocerca gregaria. In laboratory arena, the nymphal and adult stages responded aggregatively ...
Detection and Characterization of Kodamaea Ohmeri Associated with Small Hive Beetle Aethina Tumida Infesting Honey Bee Hives

Benda, Nicole; Drion, Boucias; Baldwin, Torto; Peter, Teal (Taylor & Francis, 2008)

Honey bee colony infection by the small hive beetle (SHB) is associated with fermentation of hive materials. Pollen, beetles and robbing bees ( ten of each) ......
A Review of African Blastobasinae (Lepidoptera: Gelechioidea: Coleophoridae), with New Taxa Reared from Native Fruits in Kenya

David, Adamski; Robert, S Copeland; Scott, E Miller; Paul, D.N Herbert; Karolyn, Darrow; Quentin, Luke (Smithsonian Institution Scholarly Press, 2010)

Adamski, David, Robert S. Copeland, Scott E. Miller, Paul D. N. Hebert, Karolyn Darrow, and Quentin Luke. A Review of African Blastobasinae (Lepidoptera: Gelechioidea: Coleophoridae), with New Taxa Reared from Native Fruits ...

Now showing items 181-199 of 199

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