The breeding system of Anacyclus linearilobus, an annual and endemic species restricted to dune ecosystems the Algerian coast were assessed through effect self-fertilization intra- inter-population artificial crosses on probability producing viable seeds in 20 individuals from two populations a common garden. was determined for each individual by self-incompatibility index (ISI). These results ...

In the Caribbean, insecticide resistance is widely developed in Aedes aegypti and represents a serious obstacle for dengue vector control. The efficacy of pyrethroid and organophosphate ultra-low volume space sprays was investigated in Martinique where Ae. aegypti has been shown to be resistant to conventional insecticides. In the laboratory, a wild-field caught population showed high levels of...

Abstract Historians have long recognised that DDT’s fame began with extraordinary propaganda late in the Second World War, yet heroic narratives centre chemical still shape historical understanding. Two false assumptions inform much of existing scholarship on wartime insect control: one is without DDT Allies had no protection from malaria and typhus; other was significantly more toxic than any ...

Entomological surveys were conducted in Mkuzi village in Muheza District, north-east Tanzania from April to September 2003. The objectives were to determine the species composition and infectivity rates of mosquitoes in Mkuzi village. Mosquito collection was done using CDC light trap and pyrethrum spray catch (PSC) techniques. The light trap: spray catch ratio was 2.2:1. A total of 2157 mosquit...

Sarah J. Pethybridge, Botanical Resources Australia – Agricultural Services Pty. Ltd., Ulverstone, Tasmania, 7315, Australia; David H. Gent, United States Department of Agriculture – Agricultural Research Services (USDA-ARS), Forage Seed and Cereal Research Unit and Oregon State University, Department of Botany and Plant Pathology, Corvallis, OR 97331; Paul D. Esker, University of Wisconsin, De...

Malaria remains a major public health problem in Madagascar, as it is the first cause of morbidity in health care facilities. Its transmission remains poorly documented. An entomological study was carried out over 1 year (October 2003-September 2004) in Saharevo, a village located at an altitude of 900m on the eastern edge of the Malagasy central highlands. Mosquitoes were sampled weekly upon l...

BACKGROUND & OBJECTIVES Bancroftian filariasis in Kenya is endemic in coastal districts with an estimated number of 2.5 million people at risk of infection. The main mosquito genera involved in transmission of Wuchereria bancrofti in these areas are Anopheles, Culex and Mansonia. The study was envisaged to compare the infectivity rates of Bancroftian filariasis vectors between the high transmis...

Malaria transmission pattern was studied in 3 villages (Toubanding, Daga Ndoup, and Keur Samba Guèye) situated within an area selected for clinical trials. The study was conducted in the rainy season from July to December 2011. The main objective of this work was to gather baseline data on malaria transmission intensity and other entomological parameters before the advent of clinical trials. Mo...

Abstract This study evaluated the potential of flowering plant species naturally occurring to promote conservation and early establishment key natural enemies aphids thrips in apple peach orchards. Flowering plants present North East Spain, a main fruit production area Europe, were sampled determine their period identify on each species. Thirty-six found blooming from March late May provided an...