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Yellow scorpion Tityus serrulatus has a widely distribution in populations areas of Brazil facility for parthenogenesis reproduction and with major seriousness potential of poisoning. T. serrulatus is frequently found in cemetery device Periplaneta americana population present in this area. The obje...

The residual effect of an insecticide is directly related to its formulation, active ingredient and application rates. The aim of this study was to evaluate the effectiveness of 2 distinct commercial insecticides products against Blattella germanica nymphs during the following six months after their...

Aedes albopictus is an invasive mosquito in the United States and also a competent vector for many viruses. As an aggressive human biter, this mosquitoes is often the primary pest species eliciting complaints from the public in areas where they occur. This mosquito will readily utilize artificial co...

The residual effect of an insecticide is directly related to its formulation, active ingredient and application rates. The aim of this study was to evaluate the effectiveness of 2 distinct commercial insecticides products against Blattella germanica and Periplaneta americana during the following six...

Periplaneta americana and Blattella germanica are pests of great importance in urban areas, mainly due to their role as vectors of pathogens and capability of causing allergies. The interspecific differences between these cockroaches can lead to different results in their control. No chemical (liqui...

The applicability of entomopathogenic fungi for Periplaneta americana’s control in urban sewage is still not well studied, even though its importance as an urban pest capable of disease dissemination being a constant. Females have an important role on dissemination of the species due to their ovipos...

Aedes aegypti was first discovered on the territory of the former Soviet Union in Batumi as an introduced species in 1911. High numbers of these mosquitoes have been recorded on the Black Sea coast from Sukhumi to Batumi. Since 1950s, these mosquitoes are not detected in this region (Cherkasskyi, 20...

The preparative form of concentrated emulsion continues to enjoy the greatest demand among professionals conducting insecticide treatments. In comparison with a lot of concentrates in organic solvents, aqueous concentrates, which are not so widely represented in the market of insecticides, are simil...

Seven commercial pest control products were assayed against Cimex lectularius (L.) adults and 4th instar nymphs under laboratory conditions for 48 hr. After initial exposure a selection of the porous plates were aged under mixed lighting, at 22ºC for 5 weeks, and assayed using 4th instar nymphs to d...

The processes by which insects acquire toxic doses of the microencapsulated formulation of lambda-cyhalothrin (Demand CS) were studied using the German cockroach, Blattella germanica (L.). Cockroaches exposed to treated substrates acquired toxic doses of the insecticide rapidly, and HPLC analysis of...

Demand CS® (lambda-cyhalothrin) has been designed specifically for use in urban pest management. The product is based on microencapsulation technology which encloses the liquid active ingredient in a polymer shell to provide protection against hostile environmental conditions. Electron microscopy an...

Insecticide treatment of surfaces is a well proven technique for the control of insect pests in the urban environment. The aim of these applications is to leave a residual deposit of insecticide which remains lethal to the target insect for an extended period. However, the efficacy of these treatmen...