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Pest control strategies would become more effective if semiochemicals (volatile organic signalling compounds) instead of foods were used as lures and bait additives. This is because (1) they can be encapsulated into non-perishable lure products that emit a sustained odour for extended time periods t...
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...
We tested a new SentriTech formulation of refined cellulose bait matrix containing hexaflumuron 0.5% to eliminate Reticulitermes grassei and Reticulitermes banyulensis, using 3-month monitoring and bait-replenishment interval, during 4 years in 40 sites in Spain, and compared the results against the...
Due to the organic nature of its constituents, wood is subjected to deterioration by biological agents, including termites, with some of them being urban pests. This study aimed to evaluate the wood consumption of Corymbia citriodora, Eucalyptus cloeziana, Eucalyptus saligna, Eucalyptus urograndis a...
In Europe there are up to 7 different species of underground termites. In France, Portugal and Spain there are 3 important species: Reticulitermes grassei, Reticulitermes Lucifugus and Reticulitermes flavipes). Presence of R. grassei in Spain, Portugal and France, R. lucifugus in France and Spain an...
Rats pose a significant problem to society (zoonotic diseases, severe property damage and food loss). The urban environment favors high population density, especially of the Brown rat (Rattus norvegicus). Increasingly high infestation levels are observed, in particular where human presence is high (...
Rodents are frequent pests on a farm environment in Brazil. Their presence usually is related with general animal stress, loss of productivity and food waste. Among several species that may occur on this kind of facility, there is Rattus rattus, also known as the roof rat. The aim of this study was ...
The control of Blattella germanica represents a major challenge for Brazilian PCOs (Pest Control Operators), due to their great capacity for reproduction and dispersal on tropical weather environments. Several gel bait insecticides have been developed and sold in Brazil, during the past few years, f...
Solid food carried into nests of ants by foraging workers is reported to be fed to larvae for digestion before nutrients are transmitted back to workers. The role of the digestion of solid food by larvae for worker consumption was investigated in the use of gel and granular baits in the management o...
Rodents are frequent pests on a farm environment in Brazil. Among several species that may occur on this kind of facility, there are Rattus rattus and Mus musculus, also known as the roof rat and mouse, respectively. The aim of this study was to evaluate the comparative palatability of 6 distinct bl...
Three commercial rodenticide bait blocks were tested at a confined swine facility in Lafayette, Indiana to compare efficacy for control of the house mouse (Mus Musculus). The three products were Talon® Ultrablok rodenticide (brodifacoum 0.005%), Final® All-Weather Blox™ (brodifacoum 0.005%), and Con...
Control of Rattus norvegicus in Brazil is frequently made by applying wax blocks and, more recently, with extruded blocks containing a second generation anticoagulant a.i., where wax blocks have shown low attractiveness. We conducted two field studies to evaluate the attractiveness of a wax block (K...
In a semi natural test system for efficacy evaluation of rodenticidal products according to the Infectious Diseases Protection Act of the Federal Republic of Germany, 80 choice tests with Mus musculus and 62 choice tests with Rattus norvegicus from 1984 to 2010 were evaluated. The tests were conduct...
The Argentine ant is a major household pest worldwide and efforts to control it usually involve the use of slow acting insecticides contained in baits, composed of either liquid sugar solutions or solid protein particles. A common toxicant used in commercial baits has been boron, either as borax (so...
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...
The Exterraä Termite Interception and Baiting System (Ensystex Inc., Fayetteville, NC) was evaluated in field experiments in India and Botswana. Alpha-cellulose powder containing chlorfluazuron (Requiemä) was tested for its efficacy in eliminating colonies of various subterranean termite species in ...
The use of bait in a bait station may significantly alter bait acceptance, and consequently its efficacy for rodent control. Here, we describe a method for efficacy testing of rodent bait stations under laboratory conditions. Bait stations are tested in an experimental setup of three test chambers (...
Colonies of Reticulitermes hesperus were baited to test the efficacy of lufenuron (ZyroxTM) and to assess reinvasion of the foraging sites vacated by eliminated colonies. Twelve colonies of R. hesperus were characterized with cuticular hydrocarbon analyses, mark-recapture, agonistic behavioral studi...
Commercial gel bait formulations, including two new formulations of indoxacarb (0.6% AI; RG2V3 and DPX411), were evaluated for efficacy against a "bait averse" strain of German cockroaches (Saginaw strain). Bait consumption and subsequent mortality of the Saginaw cockroaches were compared with that ...
Bait consumption is a complex interaction of behaviors and physiology / biochemistry mechanisms. It starts with a single premise that the response to a shortage or an impending shortage of nutrients required for maintenance, growth and development. Shortages may be acute such as a daily requirement,...
This study evaluated the effects of two commercially available products that have been used to supplement bait stations on feeding and tunneling behavior of the Formosan subterranean termite, Coptotermes formosanus Shiraki. A bioassay was conducted to examine the effects of water-soluble chemicals e...
The RockPointe Condominium Complex in Chatsworth, California, USA, has had a long history of subterranean termite activity and termite-related homeowner complaints. A total of 7,327 Sentricon® stations were installed between October and December of 2001 along the perimeter of 134 buildings, and insp...
The objective of the research presented here was to evaluate the impact of the introduction of a toxic food bait on foraging choice by the German cockroach, Blattella germanica (L.). This was done by analysing the importance of learning visual cues associated with feeding sites and the importance of...
Subterfuge® termite bait contains 0.3% hydramethylnon in a wood-flour matrix. Hydramethylnon provides a delayed-action mortality that allows for transfer of lethal doses within the termite population, followed by a relatively rapid elimination of the termites. Subterfuge® is effective in controlling...
Laboratory trials were done describing the primary and secondary kill ofBlattella germanica (L.) in response to MaxForce Gold, a new 0.03% AI fipronil-based cockroach bait. In bioassays measuring primary kill, MaxForce Gold at 0.1 g product/m2 caused ca. 90% mortality (14 DAT) of adult males and fem...
Field strain male German cockroaches,Blattella germanica (L.), considered “resistant” to fipronil by standard topical application methodology, were found to readily consume a novel 0.03% fipronil gel bait and succumb. Although a simple method, valid for contact sprays or residual deposits, topical a...
Speed of control in cockroach field trials with bait products often seems to vary inexplicably by region. An investigation was run on a variety of field strains to determine whether temperature and strain differences are factors involved in speed of performance. Regional strains from a variety of so...
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...
Over the last decade there has been a steady growth in the use of insecticidal baits to control cockroaches, particularly since the development of slow-acting, non-repellent compounds such as hydramethylnon and, most recently, fipronil. These baits have become increasingly popular for a number of re...
The distance and speed that workers of Argentine ant, Linepithema humile (Mayr), dispersed food was determined by feeding colonies sucrose + red dye. The maximum distances that the dye was dispersed was 33, 48, and 54 m at 24, 48, and 72 hours, respectively. The addition of 0.001% and 0.0001% fipron...
An experimental 2.15% imidacloprid-based gel bait containing »44% water was evaluated in laboratory and field studies against the German cockroach, Blattella germanica (L.). In continuous exposure tests, toxicity and presumably bait consumption varied with cockroach stage, deprivation of competitive...
Recruit* AG is the above-ground baiting element of the Sentricon® Termite Colony Elimination System which is used to protect structures from termite infestation and damage. It is designed to be placed directly over active structural infestations of subterranean termites. Experience has shown that mu...
The purpose of this study was (a) to evaluate the risk of secondary poisoning in dogs after ingestion of rats poisoned by coumatetralyl (Racumin®), a multiple dose rodenticide, in the laboratory, and (b) to demonstrate the suitability of a Racumin bait for rat control in dogs’ boarding kennels by fi...
The applied objectives for bait-toxicant against subterranean termites are at minimum the suppression of foraging activity and ideally the elimination of the entire colony population. Subterranean termite colonies containing hundreds of thousands to millions of individuals may forage up to I50 m in ...
Several issues were addressed which were thought to impact the performance of cockroach baits. These included responses to bait matrices such as speed-of-action, indirect toxicant uptake, physiological and behavioral resistance, and associative learning. Bait application approaches were also conside...
Bait toxicants were evaluated against Formosan subterranean termites infesting 61 river-bound trees in Lake Charles, Louisiana. This afforded a natural setting from which termite colonies could not escape and bait efficacy could not be misinterpreted by colony movement away from the study site. Of 1...
Inter-strain variation of German cockroaches in response to several commercial baits and their potential to develop resistance to the baits was investigated. Late instars were given a choice between the bait and an alternate food source (dog chow). Survivors were saved and choice tests repeated. Tes...
Containerised insecticide bait products offer considerable advantages for control of urban crawling insect pests. However the differences in insecticide susceptibility and food preference between some pest species have resulted in a diversity of commercial bait products, each targeted at specific in...
The Coastal Brown Ant (Pheidole megacephala) is a major introduced nuisance pest species in the most populated regions of Australia. The aim of this trial was to examine the potential of imidacloprid and triflumuron as active ingredients for ant baits. Baits based on peanut butter and the nitromethy...
In a field population (RHA, Roanoke VA, USA) of Blattella germanica a decline in the efficacy of hydramethlynon has been documented for eight years. In 1987 >85% reduction of apartment infestations was achieved 4 wk after application, in 1990 reduction declined to 73%, and in 1995 reduction declined...
No choice feeding tests, Reticulitermes flavipes (Kollar) weekly survival and feeding on two bait toxicants was compared for sound sweetgum blocks and those decayed by Gloeophyllum trabeum (Pers. ex Fr.) Murr. At 100 ppm, imidacloprid and sulfluramid showed promise for subterranean termite control. ...
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...