In this paper we present a model to estimate the density of aedes mosquitoes in a community affected by dengue. The method consists in fitting a continuous function to the incidence of dengue infections, from which the density of infected mosquitoes is derived straightforwardly. Further derivations allow the calculation of the latent and susceptible mosquitoes' densities, the sum of the three e...

This report provides new evidence that the spread of C. formosanus in Mississippi is also attributed to commercial activities with some non-wood carriers moved from infested coastal areas. Sequencing of mitochondrial cytochrome oxidase subunit II indicated that the genotype of a termite colony collected from a boat located in south Mississippi, (originally purchased in New Orleans, Louisiana by...

This study involved 334 specimens of mullet, Mugil platanus, captured monthly in the estuarine region of Cananéia, São Paulo State, Brazil, from July 1988 to June 1989, and examined for the presence of gill parasites. Parasitological inspections revealed the occurrence of the following groups: Trichodina sp., Monogenoidea, Copepoda, and Hirudinea. Only four mullets were not parasitized. Total w...

In recent years, buffalograss, Buchloë dactyloides (Nuttall) Engelmann has gained popularity as a turfgrass because of its low maintenance requirement, drought tolerance, and limited pests and diseases. Within the last decade, however, the western chinch bug Blissus occiduus Barber has emerged as important pest of buffalograss. Considerable progress has been made toward identifying buffalograss...

rhizoctonia disease of potato is one of the main causes of yield loss in this crop world- wide. in order to survey the importance of causal agent spread by seed tubers, 36 isolates of rhizoctonia solani were obtained from stored seed tubers and infected subterranean potato plant in the main potato production areas of hamedan and kurdistan provinces in the west of iran. the examination of anasto...

The story of the nation's cities, their culture, history and evolution, is an inseparable part of the rich story of the United States. In recent times, however, to mention the phrase "inner city" is to conjure up any number of negative images—"crime ridden," "drug infested," "rundown" and "impoverished," to name just a few. A core symptom of these conditions is poor health status. And so, in th...

Invasive exotic plants are aggressively competing with native plant species in Florida. In some situations, infested habitats will no longer support native wildlife, and endangered plants and animals are being pushed closer to extinction. Managers of these natural areas are finding herbicide treatments to be the most effective and economical way to control exotic plants with minimal risk to nat...

The sites of physical migration of adult Ascaris include a biliary duct, liver parenchyma, pancreas, peritoneum, thoracic cavity, lacrimal duct, Eustachian tube, fallopian tube, brain, and even a pulmonary artery.1 Areas that are not organically part of the Ascaris migration pattern are accessed through fistulization from sites that are normally infested with Ascaris. Only a limited number of r...

In the real-time strategy game Pluckmin 3, Captain Ottomar needs to move his troop of Pluckmin through hazardous terrain full of obstacles and predators. He has determined that when Pluckmin are traveling through predator-infested areas, there is a maximum number of Pluckmin that can safely travel along each edge without getting eaten. In addition to predators, some “lock” nodes have obstacles ...

Pulmonary sparganosis mansoni is uncommon in general clinical practice, but prevalent in endemic foci. Pulmonary sparganosis mansoni shares some clinical and radiologic similarities that mimic other common pulmonary pathogens. Delayed diagnosis of pulmonary sparganosis mansoni can pose a significant hazard to the patient. Indeed, a history of ingesting uncooked stone cracks in endemic areas is ...