ICUP Proceedings Search

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...

Insecticide sprays used for ant control generally cause environmental contamination. Liquid bait is effective, but requires bait stations to dispense the toxicant. In this study, we develop a natural alginate hydrogel to deliver liquid bait, without the use of bait stations. Hydrogel beads condition...

Workshops on ant identification have been offered in Washington, Oregon, and British Columbia to pest management professionals since 1996 during with winter season. Number of workshops varies from 3 to 7 each year. Classes are nearly always filled to a capacity of 24 for each four-hour session. Each...

Treatment strategies focused on reducing the amount of fipronil applied and the amount fipronil and its metabolites detected in the water runoff. Directed applications around the perimeter of the structure, narrow pin-stream applications, and no spray zones reduced the amount of fipronil detected. A...

Pachycondyla chinensis (Emery), the Asian needle ant, is an invasive, stinging ant established in the United States. It is known to displace both native and invasive ant species such as Linepithema humile (Mayr), the Argentine ant. It can be medically important to people who are allergic to arthropo...

As part of a study investigating experimental insecticide formulations for control of Argentine ants, Linepithema humile (Mayr), in outdoor locations, the imidacloprid-based product Premise 2 (Bayer Environmental Science) was used as a commercial standard. During the study, Premise 2 provided the mo...

Argentine ant (Linepithema humile) has been present in Australia for approximately 100 years and has spread to many areas of temperate climate in southern Australia. Argentine ant has proven to be difficult to control under Australian conditions with the insecticidal products available up until now....

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...

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...

We followed the distribution of Linepithema humile colonies over three years in a natural area of the University of Buenos Aires Campus, within the city of Buenos Aires. We determined the extent of multi-nest colonies by means of aggression tests. Colonies involved several nests up to four to five h...

Invasive ants present a serious threat to humans, wildlife and sensitive environmental habitats. The nature of these sensitive sites such as schools, nursing homes, parks, and zoos prevent the widespread application of insecticides to control ants and encourage alternative strategies. The presence o...

Climatic changes, tourism and travel, intensive product deliveries, especially of tropical plants, all contribute to the growth of ant infestations in Europe. These rapidly adopting ant species might need to be more thoroughly learnt and understood and possibly new, inventive eradication systems be ...

The Argentine ants nest in the ground and forage into hundreds of trees and houses in the area. We investigated the effect of competition between Argentine ants and red imported fire ants. When equal numbers of Argentine ants and fire ants interacted, fire ants were more successful than Argentines, ...

Barrier applications of sprays and granules have been widely used to control Argentine ants, Linepithema humile (Mayr), around structures. Their activity against ants, especially the pyrethroids, has been ascribed to toxicity and repellency. Recent studies have shown that bifenthrin and cyfluthrin p...

The Argentine ant, Linepithema humile (Mayr), is a worldwide agricultural and urban pest of Mediterranean and subtropical climates. They often displace native ant species when introduced into new areas. The Argentine ant is a tramp species that easily adapts to new environments and lives in close as...

The Argentine ant (Linepithema humile) is a highly invasive species, a major urban pest, and capable of impacting native systems. It was first found in New Zealand in 1990, and in March 2000, a population was discovered on a 200-ha island reserve of conservation significance. This led to a call for ...

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...

For more than 2 years, Bayer Corporation has worked with researchers and industry professionals to develop imidacloprid ant baits. Ant bait development has involved the input of many groups including research, marketing, formulation development, regulatory, packaging, and manufacturing. Imidacloprid...

In Louisiana, 115 chemicals are registered for use against red imported fire ants,Solenopsis invicta, and other pest ants such as Argentine ants, Linepithema humile. Yet citizens and pest control operators still struggle with adequate control of ant pests in homes, nursing facilities, hospitals, and...

The Argentine ant, Linepithema humile, is an invasive species that is a serious agricultural, ecological, and urban pest. L. humile displaces native ant species and other arthropods, and also invades homes and other structures. Monomorium minimum, the little black ant, is also an urban pest that wil...

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...

A betacyfluthrin SC containing 12.5% active ingredient was introduced to the pest control market (Responsar SCm). Applications by pest control professionals have shown good efficacy against Blattella germanica. On porous surfaces the particles stay more on the surface and are not so readily absorbed...