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Improving Urban Pest Ant Management By Low-Impact Ipm Strategies

Two new technologies (spray with a pheromone adjuvant + biodegradable hydrogel bait delivery method) were used to develop a unique IPM protocol for Argentine ant at urban structural settings. The IPM protocol included a one-time perimeter treatment with 0.03% fipronil (mixed with a pheromone adjuvan...

Urban Rats And The Smart City: A New Paradigm For Landscape-Level Rat Management
Jason Munshi-South | Full Paper | 2022

Dominant approaches to the management of urban rats have focused on identifying and treating infestations at the level of an individual building or parcel of land. Even the most up to date Integrated Pest Management (IPM) approaches do not often account for the spatial scale and dynamics of rat popu...

Black Fly (Simuliidae) Management In The City Of Madrid

During the summer of 2018 Madrid City Council received an unusual number of complaints related with insect bites near the Manzanares river. Consequently, the Vector Control Department of Health Madrid performed a series of inspections at different points of the river. Which resulted in the verificat...

Black Fly (Simuliidae) Management In The City Of Madrid

During the summer of 2018 Madrid City Council received an unusual number of complaints related with insect bites near the Manzanares river. Consequently, the Vector Control Department of Health Madrid performed a series of inspections at different points of the river. Which resulted in the verificat...

First Actions Against The Asian Hornet, Vespa Velutina Nigrithorax (Hymenoptera: Vespidae), In The Province Of Barcelona, Spain

The Asian hornet (Vespa velutina nigrihorax) has been spreading across all the coastal northern regions of the Iberian Peninsula, since it was firstly spotted in Amaiur (Navarra) in August 2010. This invasive species has also penetrated across inland territories. Colonizing not only forests and rura...

Swot Analysis Of Integrated Pest Control Measures Used In Bed Bug Control In Colombia And Spain

This study aimed to assess the records and experience of Integrated Pest Control and Management Companies in Colombia and Spain to contribute to the epidemiological knowledge of bed bug infestations in both countries. To accomplish this objective, a confidential 27-question questionnaire, designed u...

Novel, Renewable Plant-Oil Based Ulv Formulation Containing S-Methoprene Larvicide For Post-Harvest Application On Cereals And The Development Of A Versatile Dual Application Technology

Stored product pests are not typically called urban pests, however because of urbanisation and the concentration in towns and cities of the population world-wide, silos and other types of grain warehouses and mills are also nearer to cities or are even built right into the cities. One of the greates...

Analysis Of Large-Scale Rodenticide Bait Consumption In The Sewerage System Of The City Of Madrid

Urban Pest Management Programs demand spatial information. Madrid City Council has been incorporating Geographical Information Systems (GIS) for the last three decades. As a result, Health Madrid’s Vector Control Department (DCV) has improved urban pest management notably. Systematic rat control wit...

Successful Control Of Tapinoma Magnum (Hymenoptera: Formicidae) In The City Of Zurich, Switzerland

In Switzerland Tapinoma magnum, an invasive ant species in northern and central Europe, was first observed in the canton of Vaud in 2012 and 2018 found in the cantons of Geneva and Zurich. In the spring of 2019, the Urban Pest Advisory Service collected ants from the front yard of a residential esta...

Cockroach Management, A Municipal Approach. City Of Madrid (Spain)

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...

Flavesone: A Novel Insecticide For The Controlof Urban Pests
Peter Miller and Bryce Peters | Full Paper | 2017

Flavocide® is based on a beta-triketone molecule, flavesone, that is produced by synthetic chemical means. Flavesone exists in nature in a number of plant species but at low abundance. Initial testing suggests a unique mode of action with potential in addressing the increasing problem of resistance ...

Phytomass Of Urban Ecosystems As The Basis For Attraction Of Desirable And Undesirable Organisms

Under increase of pressure on nature, many organisms have adapted to a new environment and began an active attack on new ecosystems. Urbanized communities are part of the biosphere and live according to the fundamental laws of ecology. Urban green plantations having both alive and dead phytomass are...

Performance Of Gel Bait Insecticide In The Sewage System Of Barcelona For Cockroach Control

The Public Health Agency of Barcelona (ASPB Catalan acronym) is in charge of the surveillance and control of pests, such as cockroaches, in public areas and sewage system of the City. As in other Mediterranean cities, Periplaneta americana has colonized the sewage system of Barcelona in last years, ...

Intensity-Dependent Success Of Feral Pigeon Population Control By Culling In Barcelona City (Catalonia, Spain)

Pigeon control actions in big cities are usually necessary to maintain the populations in such densities that do not generate conflicts with the human inhabitants. Pigeon control has traditionally been undertaken by culling. However, several papers have shown that this method might not be effective ...

Controlling Urban Pigeon Populations Humanely

Pigeons (Columba livia) are considered a major pest problem around the world. Management tools such as netting, spikes, gels and other approaches such as flying predatory birds can help, but these often move the problem elsewhere. Ovistop® containing nicarbazin can reduce pigeon numbers through cont...

Evaluation Of Mosquito Barrier Applicationsusing Lambda-Cyhalothrin And Pyriproxyfen In The United States

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...

Houseflies: Regulations And Unintended Consequences
Clive Boase | Full Paper | 2017

In the United Kingdom (UK), legislation is sometimes used to prevent pest problems or to facilitate pest management. However in recent years, the two pieces of legislation that have had the most significant impact on common housefly, Musca domestica, infestations across the UK, were not intended to ...

Resistance Risk Assessment In Field-Collected Strains Of The German Cockroach (Dictyoptera: Blattellidae) To Fipronil And Indoxacarb Baits
Ling-Hui Ang and Chow-Yang Lee | Full Paper | 2017

The German cockroach, Blattella germanica (L.) is an important urban insect pest world-wide. Heavy reliance and frequent usage of residual insecticides have led to the development of insecticide resistance in the German cockroach. Bait formulations containing fipronil and indoxacarb are excellent re...

Insecticide Resistance Management In Urban Pests
Mark Hoppé | Full Paper | 2014

Whilst the reports of insecticide resistance are numerous, and many mechanisms of resistance have been studied, there has been less emphasis placed on developing and promoting Insecticide Resistance Management (IRM) programmes to address this issue. It is argued that only through the implementation ...

Local Authority Pest Control Services In The Uk: Pests, Performance And Profit

The National Pest Advisory Panel of the Chartered Institute of Environmental Health (CIEH) in the UK was established in 2001 to advise the CIEH on pest control policy. It developed a pest survey to understand the way in which pest management services within local authorities were operationalised and...

20 Years History And Future Perspective Of The International Conference Of Urban Pests

The International Conference of Urban Pests (ICUP) is a link between academic and industry researchers, regulatory officials, government agency leaders, manufacturer representatives and students and presents the latest results in research and development in the field of urban pest control for the pa...

Geographic Information Technology Applications For Urban Integrated Pest Management

Madrid City Council has always used maps for this purpose and in the last decade has taken a further step incorporating Geographical Information Technologies (GIS). As a result urban pest control has improved notably and integrated pest management principals have been straightforwardly accomplished....

Cyantraniliprole: A Novel Insecticide For Control Of Urban Pests

Cyantraniliprole is a novel insecticide that belongs to the anthranilic diamide class of insecticides. The novel mode of action of cyantraniliprole depletes calcium from insect muscle, affecting muscle contraction, causing paralysis and eventually death. We report the results of testing of two formu...

Geographic Information System In Pest Control Programs, An Example With Feral Pigeon (Columba Livia) Control Program In Madrid City

Health Madrid as the municipal health administration of the City Council of Madrid (Environmental Health) manages pest prevention and control operations. Feral pigeons have increased during the last decades as one of the most frequent pest problems in Madrid City. The pest control sector, as almost ...

Pathogenicity Of Metarhizium Anisopliae, Beauveria Bassiana And Aspergillus Sp. To Periplaneta Americana (Blattodea: Blattidae) Females

Entomopathogens have been used in many agricultural and veterinary programs of pest control. Studies with fungi have shown great potential for control of urban pests, such as cockroaches, but there are few studies on the subject. Thus, the aim of this study was to investigate the pathogenicity of en...

Local Authority Pest Management Services in the United Kingdom: 2002 and 2009 National Pest Advisory Panel Surveys

The National Pest Advisory Panel (NPAP) was established in 2001 to advise the Chartered Institute of Environmental Health (CIEH) on pest control policy. As part of its work, the NPAP sent a detailed survey to all Local Authorities (LAs) in England, Wales and Northern Ireland in 2002 and 2009 about t...

Integrated Pest Management of Blattella Asahinai in the Urban Environment in Southern Alabama, United States of America

The Asian cockroach, Blattella asahinai (Mizukubo) was first described in 1981 from Okinawa, Japan (Mizukubo, 1981), and introduced into the state of Florida, USA in 1986. By 2007 B. asahinai was established in the states of Alabama, Georgia and Texas, USA. B. asahinai is a peridomestic pest which b...

Management Program of Pest Control in a Public Hospital

Health services are colonized by urban pests, being generally an integral part of urban infrastructure, especially considering the neotropical climate that is warm and wet. Therefore, pest control is widely quoted in our legislation and hospitals should be free of pests. In practice, it is observed ...

Survey and Management of Carpenter Ants on Urban Trees in the City of SãO Paulo, Brazil

One thousand four hundred seventy-seven botanical specimens represented by urban trees and palm trees, found in gardens, public squares and streets in the area of Cidade Jardim, a district in Sao Paulo, Brazil, were evaluated from 2004 to 2008. The aim was to determine which species of carpenter ant...

Legal Approaches on Urban Pest Control Products and on Their Use

This talk focuses on legal approaches on urban pest control products and on their use. In Brazil, among several standards on the subject, there are specific regulations particularly like: - Resolution RDC 52/09, available on the functioning of companies specialising in the provision of service contr...

Phenogenetic Indication As Method of Assay of Urban Area Ecological State

Modern agriculture, field management and control for urban pests distribution needs regular monitoring. The cheapest method of monitoring is biological one. The most effective variant of biomonitoring is phenogenetic one. The question within which limits of accuracy it is possible to estimate the fu...

Environmental Education: a Key Factor in Urban Pest Control Programs

Education has been enrolled as a component of Integrated Pest Management (IPM) programs, but in fact it should be more than that. Urban pests are so intrinsically related to human life and habits that we can always find where, when and how people (or costumers) can act helping to change urban pest p...

Spatial Distribution and Density of Nylanderia Pubens (Hymenoptera: Formicidae) on Urban Lots

The tropical and subtropical super colony tramp ant, Nylanderia pubens, the Caribbean crazy ant (CCA), was originally described from the Greater Antilles Islands and now has spread throughout the Caribbean and South America. In 1950, CCA was first reported in Florida and now is spread throughout the...

Heterotermes Convexinotatus (Isoptera: Rhinotermitidae) in Colombia: Distribution and Impact

Heterotermes convexinotatus (Snyder 1924) belongs to the group of subterranean termites, it is regarded as an important pest in passion fruit and corn crops in Venezuela and Colombia, it has also been found in Citrus orchards at the Caribbean coast of Colombia. In urban zones it had only been report...

Significance of Spiders (Araneae) As Public Health Pests

Spiders are an important part of ecosystems due to their feeding habits which involve predation, especially of insects. This group of arthropods currently includes over 40 thousand described species present on all continents except for Antarctica. They forage in diverse ecotopes and some are resista...

A Novel Long-lasting and Broad-spectrum Ant Bait
N. Bao | Poster | 2011

Baits (station, granule, gel and liquid) are widely used in the control of ant pests because of their effectiveness, ease of application, and their reduced risk to people, pets and the environment. Among the types of baits, gel baits are the most popular bait type for ant control. However, after app...

Baiting Strategies For the Control of American Cockroaches (Blattaria:Blattidae) in Urban Sewage Systems

Periplaneta americana is broadly accepted as the major insect pest in the sewage systems of Spain. The environmental conditions of our country, especially in eastern and southern regions, let the populations of this insect develop to enormous numbers with the risk to become a sanitary problem. Commo...

Effects of the Chitin Synthesis Inhibitor Flufenoxuron on the Pest Subterranean Termite Coptotermes Gestroi (Isoptera: Rhinotermitidae)

Subterranean termites are widely known by their substantial damage in urban areas. Coptotermes gestroi is an alien species originated from Asia, introduced accidently in Brazil, where is responsible for severe economical impact. To reduce the use of insecticides in the termite management, some resea...

Treatment on Different Surfaces with Lambdacyhalothrin To Control Blattella Germanica

Blattella germanica is one of the most important urban pests in households, restaurants, storehouses, hospitals, supermarkets and food industries. The aim of this work was to evaluate lambdacyhalothrin residual (dose of 2,5mL/L water- Demand 10 CS) on surfaces of tiles, polished green slates and cem...

Bed Bug (Hemiptera: Cimicidae) Resurgence: Plotting the Trajectory

The bed bug has had a longstanding relationship with low-income high-density housing. Proximity of dwellings, re-use of furniture, and control options limited by affordability, have all contributed to the continuation of this pest in such areas. The recent resurgence and spread of this pest may be a...

Industry Research Funding Strategies: Internal, Contract or University?

Manufacturers that discover and develop active ingredients for the urban pest management market are generally agricultural chemicals companies. As the agricultural chemical industry has expanded into seeds and biotechnology, existing challenges in funding urban pest management research and developme...

Global Quality Standards and Pest Management Service
Naresh Duggal and 2Zia Siddiqi | Full Paper | 2008

ncreased global connectivity, integration and interdependence in the economic, social, technological, cultural, political and ecological spheres have created special challenges for the pest management service industry: meeting customer needs while remaining economically competitive. While automated ...

The Pest Management Industry – Where Is It Going in the 21St Century?
Jonathan Peck | Full Paper | 2008

When the fathers of public health were establishing the environmental health industry in the 19th century, there were five main problems facing them: poor housing conditions; inadequate pest control; a lack of proper drainage; polluted air quality; and an unwholesome supply of water. Today we have p...

G.I.S. Technology Uses in Urban Pest Prevention and Control

Initially designed and developed as a cartography tool for urban planning and management, Geographical Information (G.I.S.) Technologies can be a very powerful way for prediction, prevention, and pest control operations. Health-Madrid works on corporative GIS system as a way to manage pest control o...

Integrated Pest Management Educator Pilot Project

German cockroach is the most common pest of urban, low-income housing and is associated with high pesticide use by residents. Cockroach allergen is implicated in asthma exacerbation and initiation and in the growing social and medical aspects of the disease. A safe and secure home environment is an ...

Local authority pest management services in the UK.
R.G. Murphy and S. Battersby | Full Paper | 2005

The National Pest Advisory Panel (NPAP) of the Chartered Institute of Environmental Health (CIEH) in the UK was established in 2001 to advise the CIEH on its pest control policy. As part of its work, a pest survey was developed to investigate the way in which pest management services within local au...

Adaptation of pests for urban environment – speed, possibilities and limits
V.B. Sapunov | Poster | 2005

The number of organisms living within urban biocenosis increases. Assimilation of urban biocenosis by pests is a process of microevolution. It has limits. Qualitative limits are determined by the Vavilov law. Study of close species adaptation, we may predict adaptive potencies of all families. e.g, ...

Europe’s biocidal products directive: Benefits and costs in urban pest management

The European Commission’s Biocidal Products Directive, Council Directive 98/8 EC (BPD), is the largest regulatory exercise ever to affect the urban pest control industry. Its impact is global because any company selling pest control products in the European Union must follow its principles. All acti...

Improved management of termites to protect Japanese homes
K. Tsunoda | Full Paper | 2005

Termites are considered to be urban pests in Japan, which has a long history of combating the two most economically important subterranean termites [Reticulitermes speratus (Kolbe) and Coptotermes formosanus Shiraki], since Japanese houses are made principally of wood. Approximately half of new home...

The role of independent research in the regulatory process: A lesson involving the urban pest management community in the United States
B.T. Forschler | Full Paper | 2005

The regulatory process in the United States, as it pertains to termite management, is charged with the dual responsibilities of environmental stewardship and consumer protection. These two important roles can only be accomplished using sound scientific data as the foundation of the decision-making p...

The importance of accurate termite taxonomy in the broader perspective of termite management
L.G. Kirton | Full Paper | 2005

The species of termites that have an impact on urban dwellings in Southeast Asia are reviewed. Termites of the genus Coptotermes are considered, by far, to have the greatest economic impact on urban dwellings. In Peninsular Malaysia, where the species of Coptotermes have been relatively well studied...

Prospects for urban pest management in Europe under the biocidal product directive 98/8/EC
A.J. Adams | Full Paper | 2005

The Biocidal Products Directive (98/8/EC), or BPD, is a recent piece of pan-European legislation that has been incorporated into the national law of each member state. It will regulate all biocidal products that are not covered by earlier legislation that deals with crop protection products (91/414/...

Metaflumizone: A new insecticide for urban insect control from BASF
C.D. Klein and H. Oloumi | Full Paper | 2005

Metaflumizone (proposed common name) is a high performance insecticide submitted for crop registration approval in the USA in 2004. Other key country registration submissions are expected to follow the USA application.Toxicological and environmental studies indicate that there is low risk to applica...

Pesticide regulation by State Government agencies in the United States
G.N. Saxton | Full Paper | 2005

Pesticides and their use are regulated on both federal and state levels in the Unites States. A federal registration for a pesticide product must be obtained after the product has shown that it is safe to use according to the guidelines set forth by the United States Environmental Protection Agency ...

Toxicity of fipronil to susceptible and permethrin resistant strain of German cockroaches (Dictyoptera: Blattellidae)

The current study, in three methods, topical application, surface contact (WHO glass jar) method and toxic baits, was designed to investigate the relationship between permethrin German cockroach (Blattella germanica (L.)) resistant strains and fipronil. Twelve German cockroach strains used in this s...

RELATIONSHIPS between URBAN LANDSCAPES and HOUSEHOLD PESTS
David J. Shetlar | Full Paper | 2002

The primary sources of pests that affect humans and invade their buildings are usually found in the surrounding landscapes. Pest management professionals and landscape managers need to be more aware of the sources of these pests and develop standard practices that reduce these sources. Of primary co...

The PINKSTON EDUCATION FACILITY for STRUCTURAL and URBAN PEST CONTROL at OKLAHOMA STATE UNIVERSITY

The need to progressively improve structural and urban pest-management training for state regulatory officials, pest-management professionals, and extension educators has led to the development and implementation of a limited number of university-based training schools in the United States. In Oklah...

ANTICOAGULANT RODENTICIDES and RISKS to NON-TARGET WILDLIFE: COMPARISON of URBAN and FIELD USES

The impacts of exotic rodent species, particularly the Norway rat (Rattus norvegicus), the ship rat (Rattus rattus), and the house mouse (Mus musculus) on economic, production, health, and conservation values are widely recognised around the world. Developing strategies for the effective management ...

FACTORS AFFECTING the PERFORMANCE of BAIT TOXICANTS for ARGENTINE ANTS (HYMENOPTERA: FORMICIDAE)

Argentine ants, Linepithema humile (Mayr), are a major urban pest species in many countries with Mediterranean and semi-tropical climates. L. humile primarily feeds on honeydew, nectar, and other liquid sweets. Baits consisting of sucrose solutions are highly preferred. Sucrose-based liquid solution...

INSECT PEST MANAGEMENT AND INSECTICIDE RESISTANCE MANAGEMENT IN THE URBAN ENVIRONMENT
William H Robinson | Full Paper | 1999

The premise of the discussion presented here is that some of the traditional components of agricultural integrated pest management (IPM) and insecticide resistance management (IRM) programs are either not applicable or not practical for the urban environment. The overall goal of this discussion is t...

URBAN ENTOMOLOGY: PAST AND PRESENT
Michael K. Rust | Full Paper | 1999

Urban entomology has grown dramatically in the last 25 years and has attained a disciplinary status within the entomological and pest management community. As urban centers have grown throughout the world, the importance of the control of arthropods and insects associated with humans and their struc...

INTEGRATED PEST MANAGEMENT FOR CONTROL OF THE HOUSE FLY MUSCA DOMESTICA (L.) (DIPTERA: MUSCIDAE) IN AN URBAN SOLID WASTE TREATMENT PLANT
L. Sûss , S. Cassani , B. Serra and M. Caimi | Full Paper | 1999

The development of infestations of Musca domestica was evaluated in a factory for the treatment of urban solid undifferentiated waste over a period of one year and control strategies were implemented. The waste treatment produces a compost used for the improvement of agricultural soil. The factory, ...

ANTS AND SUBTERRANEAN TERMITES IN THE URBAN ENVIRONMENT: THE TERMINOLOGY OF POPULATION MANAGEMENT CONTROL TACTICS

Ants and subterranean termites are economically important insect pests in the urban environment. Managing populations of these pests through bait-toxicant control tactics is a viable option that requires a thorough understanding of their biology. The terminology used in describing a bait-toxicant co...

STRUCTURAL PEST CONTROL: WHAT ARE WE TEACHING - WHAT SHOULD WE BE TEACHING

A survey of university entomology departments teaching urban and industrial pest management topics was conducted as was a survey of prominent and less prominent structural pest control companies. Universities were asked what topics they were teaching and the time devoted to each. Companies were aske...

EPIDEMIOLOGY AND CONTROL OF COCKROACHES INFESTING URBAN AND SUBURBAN AREAS IN SICILY

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...

MOSQUITO-BORNE DISEASE AND MOSQUITO MANAGEMENT IN AUSTRALIA FOR THE OLYMPIC GAMES IN THE YEAR 2000
Richard C. Russell | Full Paper | 1999

Mosquito-borne disease is an increasing concern in Australia. Endemic malaria has been eradicated but up to 1,000 infections are imported annually and local cases occur occasionally in the northeast, where local Dengue infections are reported annually and Japanese encephalitis virus has been introdu...

A MICROENCAPSULATED FORMULATION OF LAMBDA-CYHALOTHRIN

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...

COMPUTER-VERIFIED TRAINING TUTORIALS FOR URBAN PEST CONTROL TRAINING
T. R. Fasulo and F! G. Koehler | Full Paper | 1996

Participation at approved training seminars incurs costs and limits work availability for urban pest control company owners, supervisors, and service technicians. However, the continued need for training to properly control pests, and to acquire or renew a license forces pest control operators to co...

VECTOR AND NUISANCE PEST MANAGEMENT IN THE REPUBLICS OF THE EX-SOVIET UNION, PRESENT AND FUTURE
Z. Kateeb | Full Paper | 1996

The rapid breakdown of the Soviet Union into many independent, mostly ethnic states, heralded a new historical era with tremendous political, social and economic anomalies. And while the newly formed entities are being hailed as a triumph for individual freedoms and political democracy, the social a...

MANAGING CARPENTER ANT POPULATIONS IN URBAN ENVIRONMENTS
L. D. Hansen | Full Paper | 1996

Impact of carpenter ant infestations in structures ranges from nuisance pests to seriously damaging pests if structural timbers are attacked. Carpenter ants excavate wood to form galleries for their brood and tunnels for foragers. A mature colony consists of a parent or main colony with the queen, w...

URBAN PEST MANAGEMENT OF CARPENTER ANTS

In North America 20 species of Camponotus have been recorded as pest species causing either structural damage or occurring as nuisance species. Structurally damaging species are found in the subgenera: Camponotus. Tanaemyrmex, and Myrmothrix. Carpenter ants causing the most serious damage in eastern...

COMPUTER AIDED DECISION SUPPORT SYSTEM FOR AMERICAN COCKROACH MANAGEMENT IN THE URBAN ENVIRONMENT

Decision-making for managing household cockroach infestations is a complicated process. Proper decisions concerning cockroach pest management should be made based on the integration of 1) biotic factors, such as pest biology, ecology, and behavior; 2) abiotic environmental factors, such as temperatu...

URBAN ENTOMOLOGY PERSPECTIVES
William H Robinson | Full Paper | 1993

Modem society has moved from an agricultural base to one that is urbanized. A majority of the world's population, in both developed and developing countries, lives in towns, cities, or large metropolitan areas. Urbanization can often lead to conditions of overcrowding, substandard or inadequate hous...