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Peridomestic cockroaches require control strategies adopted to their behaviour and habitats. American cockroaches (Periplaneta americana) and Oriental cockroaches (Blatta orientalis) are often found in sewer systems which are appropriate places for insecticide treatments. New advanced paint formulat...

In April 2018, the Vector Control Department of Health Madrid received a communication from a pest control company about an Australian cockroach (Periplaneta australasiae) infestation in a building. After an initial inspection of the affected area, the presence of two foci was detected and entomolog...

Urban pest management in Spain, which involves prevention and control, corresponds to the municipalities. The data, key elements and conclusions of a continuous analysis of 10 years of the Madrid Municipality pest control program against sewer system cockroaches (Blatta orientalis and Periplaneta am...

Cockroaches (Blattodea) are important mechanical vectors for the transmission of many pathogens including bacteria, protozoa, fungi, and viruses, and can contaminate food, water, and affect animals and humans. These pathogens can be carried in different parts of the cockroach body (legs, mouthparts)...

The oriental cockroach (Blatta orientalis) occurs in several buildings of two different blocks in the city of Zürich. Pest control companies were unable to control the infestation, and reported cockroaches in the backyards of these blocks during the warmer periods of the year. The Urban Pest Advisor...

The Urban Pest Advisory Service (UPAS) is responsible for urban pests in the city of Zurich, Switzerland. We advise approximately 2’000 people per year who have questions or problems regarding arthropods and their control, we survey the pest situation in the city and control rats in public areas. Si...

The Urban Pest Advisory Service (UPAS) is responsible for urban pests in the city of Zurich, Switzerland. We give approximately 2,000 consultations per year concerning pests and their control, survey the pest situation in the city and control rats in public areas. We present data on the temporal cha...

The application of conventional insecticides within the confines of a secure establishment in a safe manner can cause many logistical and managerial problems. Therefore, alternative methods of insecticide applications have to be sought. The advent of insecticidal gels with varying modes of action gi...

Necrophagy was shown to provide efficient transfer of fipronil toxicity from poisoned oriental cockroach (Blatta orientalis(L.)) cadavers to groups of untreated cockroaches in laboratory experiments. Adult females poisoned with Goliath gel deposits of 0.1 - 40 mg 0.05% w/w a.i. formulation were indi...

German cockroach Blattella germanica (L.) is in Western Siberia distributed everywhere. In old towns with numerous buildings of late XIX - early XX century limited distribution has Oriental cockroach Blatta orientalis (L.). In past several years it is discovered some expansion of the species: number...

Periplaneta americana is a remarkable pest in urban environments. At present, it is the most common species in Valencia city keeping Blatta orientalis in a secondary position. Is is highly adaptable and, in favorable conditions, shows fast proliferation and dispersal. Special difficulties in its con...

Lithium perfluorooctanesulfonate (LPOS, proposed common name SulfotineTM) is an isomeric mixture containing approximately 70% of the linear isomer and 30% branched isomers. Molecular formula for LPOS is C8F17LiO3S, and acute oral LD50 is greater than 5,000 mg/kg. LPOS exhibits promising oral toxicit...

Cockroaches could represent one of the most important hygienic problems, since they can contaminate food with bacteria, transmit diseases and cause human allergies. For this reason, urban governments and food industries devote part of their balance to cover the cost of their control. One of the firs...

Periplaneta americana is one of the most important problems in Spanish Mediterranean Coast cities so, it must make periodic insecticide treatments in sewers of these cities. Most formulates that are using now for their control have relatively low persistance and this forces to increasing the treatme...

The regular and effective control of some synanthropic crawling insects as cockroaches and ants is unavoidable but due to the requirements of human health and environment protection, their elimination needs new concepts and methods. Cockroaches, first of all the German cockroach Blattella germanica ...

The Urban Pest Advisory Service with three part-time employees is responsible for the hygienic aspects concerning urban pests in the city of Zurich, Switzerland. The city has a surface of 9,200 hectares and 360,000 inhabitants. The main fields of work are the following: 1. to give advice to the publ...

LT5Os and LT95s were determined at 28°C for adult female Blatta orientalis over deposit concentrations varying from 15-200 mg A1 m-' on a plywood surface treated with a WP formulation of cypermethrin. Mortality was determined 3 days following removal from the deposits. Regression equations for these...

Cockroaches settling down in various sanitary trade institutions, industrial establishments as well as in residential buildings may spread potential infectious diseases and allergy or - through their disgust provoking effect - may disturb people living or working there. As a consequence, regular con...

A formulation consisting of the pyrethroid insecticide alphacypermethrin and flufenoxuron, an acylurea insect growth regulator, has been shown to give effective and persistent control of cockroach infestations after a single treatment. Flufenoxuron is a new high performance residual insecticide for ...

Two mixed-age (semi-natural) populations of the Oriental cockroach Blatta orientalis were established in identical artificial domestic environments contained in steel freight containers. Each population was allowed a 10 week period of acclimation, during which the populations were monitored using Ro...

In a laboratory study, groups of third instar Blatta orientalis nymphs were reared to adulthood in arenas containing fenoxycarb (48 mg ai/m2) treated ceramic or plywood tiles. The reproductive capacity of the emergent adults was assessed by pairing each individual with two untreated individuals of t...

Small groups of nymphs and adults, or of 5th and 6th instar nymphs of the Oriental cockroach Blatta orientalis, were exposed to hydramethylnon baits Maxforce) for periods of time ranging from 1 to 14 days. These insects were also given access to standard laboratory cockroach food as an alternative t...

The ability of mobile stages of oriental cockroaches to survive at -5C increased with acclimation at 10°C. Fully acclimated insects had LT5Os (time) of 1.3 - 4.1 days, depending on stage. A minimum of 8 days at - 5°C or 1 days at - 10°C was required to kill all stages; insects could survive for more...

Concrete, wood, glass and ceramic tiles were treated with the same quantity of active ingredient applied at different concentrations. The active ingredients, permethrin, alpha-cypermethrin and bendiocarb were used. The formulations were diluted in water. Either 1 litre; 0.6 or 0.5 litre; 0.3 or 0.25...