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Journal of the American Mosquito Control Association

Saïd C Boubidi, Marie Rossignol, Fabrice Chandre, Reda Tounsi, Christophe Lagneau, Didier Fontenille, Paul Reiter
Despite an extensive literature on mosquitoes, remarkably little attention has been paid to males. Current interest in control by release of transgenic males begs attention to this bias. It is well known that males are more susceptible to insecticides than females when determined by the standard World Health Organization (WHO) bioassay, and field observations have shown a higher impact of ultra-low-volume (ULV) space sprays. It is generally assumed that these differences are due to the smaller size of males and/or greater physiological susceptibility...
September 2016: Journal of the American Mosquito Control Association
Rahuel J Chan-Chable, Aldo I Ortega-Morales, Arely Martínez-Arce
In Mexico the Psorophora genus includes 24 species divided into 3 subgenera: Grabhamia, Janthinosoma, and Psorophora. Some species occur in the Nearctic region of the country (northern Mexico), whereas other species occur in the Neotropical region (southern Mexico), and a few species occur in both regions. In Quintana Roo, Mexico, 7 species have been previously recorded: Ps. confinnis s.s., Ps. champerico, Ps. cyanescens, Ps. ferox, Ps. lutzii, Ps. ciliata, and Ps. lineata. In October 2013, 24 females of Ps...
September 2016: Journal of the American Mosquito Control Association
Eric J Dotseth, Bruce A Harrison
A chronological list of species based on date of publication is provided for confirmed mosquito species in West Virginia. Five additional newly found species in the state are documented with collection data. Two previously misidentified or mislabeled published records are corrected. The number of confirmed species occurring in the state is now 35, and many more species are likely present, but undetected. Significant populations of 4 widely distributed known vector species, Aedes albopictus , Ae. japonicus japonicus, Ae...
September 2016: Journal of the American Mosquito Control Association
James F Harwood, Wendy L Helmey, Brent B Turnwall, Kevin D Justice, Muhammed Farooq, Alec G Richardson
Because Aedes aegypti , a vector of dengue, chikungunya, and Zika viruses, exhibits resting and reproductive behaviors that present challenges to control them, pesticide application equipment available for vector control must be evaluated for their ability to control this species in a variety of cryptic environments. Five types of pesticide sprayers, representing 3 spray technologies (1 mister, 2 ultra-low volume [ULV] cold foggers, and 2 ULV thermal foggers), were evaluated for their ability to control adult and immature stages of Ae...
September 2016: Journal of the American Mosquito Control Association
Aldo I Ortega-Morales, Sarai M Cueto-Medina, Quetzaly K Siller Rodríguez
The occurrence of the Asian tiger mosquito, Aedes albopictus , has been reported in the Mexican states of Tamaulipas, Nuevo León, Coahuila (northeastern), Veracruz, Chiapas, Quintana Roo (southeastern), Morelos, San Luis Potosí (middle), and Sinaloa (northwestern). In April and September 2012, Ae. albopictus was collected in a variety of habitats and landing/biting on the collecting personnel in 12 counties of Hidalgo state (middle). This is the first record of the occurrence of this species in Hidalgo state...
September 2016: Journal of the American Mosquito Control Association
Kerry Staples, Jacques Oosthuizen, Mark Lund
Floating emergence traps were used in 15 road gullies to determine the effectiveness and longevity of S-methoprene briquets over 124 days. Samples were taken monthly from October 2014 to March 2015. Two treatment methods were assessed: application of briquet using a float, and application without a float. These methods were compared with untreated control gullies. Mosquito emergence peaked in early November, and decreased by February. Effectiveness of the briquet was not impacted significantly by the presence or absence of a float (P = 0...
September 2016: Journal of the American Mosquito Control Association
Tamar Kutateladze, Ekaterine Zangaladze, Nato Dolidze, Tamar Mamatsashvili, Lamzira Tskhvaradze, Elizabeth S Andrews, Andrew D Haddow
Mosquito surveillance was carried out in Batumi, Georgia, in August 2014. Aedes albopictus was detected for the first time, which brought the number of reported mosquito species in Georgia to 32. An updated checklist of the mosquitoes of Georgia is provided.
September 2016: Journal of the American Mosquito Control Association
Verónica Acevedo, Manuel Amador, Gilberto Félix, Roberto Barrera
Dengue viruses cause hundreds of millions of infections every year in tropical and subtropical countries. Unfortunately, there is not a single universal vector control method capable of suppressing Aedes aegypti (L.) populations. Amongst novel control tools or approaches are various types of traps targeting gravid females or their eggs. Here, we provide details of the operational use of the Centers for Disease Control and Prevention autocidal gravid ovitrap (CDC-AGO trap) for the surveillance and control of Ae...
September 2016: Journal of the American Mosquito Control Association
Camille Desgrouas, Jirod Nararak, Rungarun Tisgratog, Valerie Mahiou-Leddet, Sothavireak Bory, Evelyne Ollivier, Sylvie Manguin, Theeraphap Chareonviriyaphap
A study of the behavioral responses of Aedes aegypti and Anopheles minimus to 3 Cambodian plant extracts at 3 different concentrations (1%, 2.5%, and 5%) was performed using an excito-repellency test system. These 3 plants were Strophanthus scandens, Capparis micracantha, and Dioscorea hispida, selected according to traditional healer's knowledge, bibliographic studies and market surveys. Results showed that S. scandens leaves' hexane extract was the only one to exert repellency against Ae. aegypti with 23...
September 2016: Journal of the American Mosquito Control Association
Junaid Rahim, Abu H Ahmad, Nur Faeza A Kassim, Hamdan Ahmad, Intan H Ishak, Adanan Che Rus, Hamisu A Maimusa
Dengue vector control still heavily relies on the use of chemical insecticides, and the widespread use of insecticides has led to resistance in mosquitoes. The diagnostic dose is a key part of resistance monitoring. The present study corroborates the discriminating lethal doses of temephos and malathion based on dose-response of known susceptible strain of Aedes albopictus following the World Health Organization (WHO) diagnostic test procedure. Late 3rd and early 4th instars were tested with a range of larvicides to determine the lethal concentrations (LC50 and LC99) values...
September 2016: Journal of the American Mosquito Control Association
Rungarun Tisgratog, Monthathip Kongmee, Unchalee Sanguanpong, Atchariya Prabaripai, Michael J Bangs, Theeraphap Chareonviriyaphap
A novel noncontact repellency assay system (NCRAS) was designed and evaluated as a possible alternative method for testing compounds that repel or inhibit mosquitoes from blood feeding. Deet and Aedes aegypti were used in a controlled laboratory setting. Using 2 study designs, a highly significant difference were seen between deet-treated and untreated skin placed behind the protective screens, indicating that deet was detected and was acting as a deterrence to mosquito landing and probing behavior. However, a 2nd study showed significant differences between protected (behind a metal screen barrier) and unprotected (exposed) deet-treated forearms, indicating the screen mesh might restrict the detection of deet and thus influences landing/biting response...
September 2016: Journal of the American Mosquito Control Association
Mark A Kartzinel, Barry W Alto, Michael W Deblasio, Nathan D Burkett-Cadena
Three exotic mosquito-borne pathogens-dengue, chikungunya, and Zika viruses-transmitted by Aedes albopictus and Ae. aegypti have undergone dramatic global expansion in recent years. The control of vector populations and minimizing bites from these vectors are the primary methods of reducing risk of transmission of these viruses to humans. However, Ae. albopictus and Ae. aegypti are notoriously challenging to control through conventional chemical means, due primarily to difficulties in applying pesticides to their cryptic larval habitats...
September 2016: Journal of the American Mosquito Control Association
Christopher S Bibbs, Codi Anderson, Rui-De Xue
Recent autodissemination studies have popularly favored pyriproxyfen, but methoprene is already established and widely used in control programs. This study demonstrated that methoprene could also autodisseminate through contaminated gravid females. Arenas of oviposition cups were arranged around methoprene-contaminated bait stations. Gravid female Aedes albopictus were released to allow oviposition. All cups were then removed and tested in an insect growth regulator bioassay. Liquid formulations did not result in adequate autodissemination among treatment groups...
September 2016: Journal of the American Mosquito Control Association
Jake Bova, Sally Paulson, Greg Paulson
Aedes aegypti , Ae. albopictus, Ae. japonicus japonicus, and Ae. triseriatus eggs are described with the aid of color images and images from scanning electron microscopy. All eggs were broadly cigar shaped with Ae. triseriatus and Ae. j japonicus eggs being dull or matte black, while Ae. albopictus and Ae. aegypti eggs were shiny jet black. Aedes triseriatus eggs were lighter in color and had a rougher appearance when compared to those of Ae. j. japonicus. Aedes albopictus and Ae. aegypti eggs can be differentiated by the distinct presence of micropylar collars in Ae...
September 2016: Journal of the American Mosquito Control Association
Laura W Juan, Alejandro Lucia, Raúl A Alzogaray, Ingrid I Steinhorst, Karen López, Matías Pettersen, José Busse, Eduardo N Zerba
Leishmania infantum (syn. chagasi) is the etiologic agent of visceral leishmaniasis in Argentina, and the phlebotomine fly Lutzomyia longipalpis is its main vector. The objective of this study was to evaluate the effectiveness of Dragon Max(®), an emulsifiable concentrate formulation containing the pyrethroid permethrin and the larvicide pyriproxyfen, for Lu. longipalpis control under field conditions. The work was conducted in the city of Posadas (Misiones province, Argentina). Comparisons were performed between treated and untreated peridomiciles with poultry, which met previously determined criteria for favoring the presence of Lu...
September 2016: Journal of the American Mosquito Control Association
Jennifer Gibson, Michael L Smith, Rui-De Xue, Dong-Sheng Ren
Testing of the PSO BASDKA-AC1200 multifunction ultrafine particle atomization machine, a thermal fog machine, with Aqualuer 20-20(®) (permethrin 20.6%, piperonyl butoxide 20.6%) was conducted against Aedes albopictus. The machine was set at a 40 sec maximum burst interval dispersing 36 ml of chemical with an average droplet volume of 50%. Female adult Ae. albopictus were placed into cylindrical paper cages and adhered to poles at 5, 8, 10, 15, and 25 m from the center point of the machine. Control cages consisted of 1 cage placed at 5, 10, and 25 m...
June 2016: Journal of the American Mosquito Control Association
Kinsey Camelio, Jennifer Gibson, Michael L Smith, Lisa L Drake, Rui-De Xue
The Anastasia Mosquito Control District (AMCD) tests all equipment before field use to determine if machines are suitable for the needs of the district. Three handheld ultra-low-volume (ULV) foggers--the American LongRay (ULV) Fogger Model 3600B with rechargeable lithium battery (DC model), American LongRay ULV Fogger Model 3600E with 110V or 220V AC power (AC model), and Boston Fog Battery Motorized Fogger (Boston Fogger)--were compared to determine which fogger would be most suitable for use by AMCD. Mortality of caged Aedes albopictus was analyzed after 24 h to determine the success of a single application...
June 2016: Journal of the American Mosquito Control Association
Lisa L Drake, Jennifer Gibson, Michael L Smith, Muhammad Farooq, Mohamed F Sallam, Rui-De Xue
Aedes albopictus is an invasive species that poses a health threat in many residential neighborhoods throughout Florida. Aedes albopictus is a high priority for mosquito control efforts in the state. The efficacy of DeltaGard(®) (AI 2% deltamethrin) application against Ae. albopictus was evaluated in a residential area in St. Augustine, FL. DeltaGard was applied using a truck-mounted ultra-low-volume aerosol generator along 3 streets in a residential neighborhood. Caged mosquito mortality and droplet density data were recorded...
June 2016: Journal of the American Mosquito Control Association
Jennifer E Stough, John R Wallace
Culex pipiens and Cx. restuans are the main vectors of West Nile virus and the primary target species of surveillance and control programs in Pennsylvania. Performing adult control, specifically ultra-low volume (ULV) applications, at night during peak oviposition activity time(s) is necessary to control these species. In July and August of 2009, collections were made at 15-min intervals starting at sunset and continuing until 3 h after sunset to establish a more accurate timeline of Cx. pipiens and Cx. restuans oviposition flight activity...
June 2016: Journal of the American Mosquito Control Association
Chia-Hsien Lin, Flemming Konradsen, Karin L Schiøler
The larvae of the genus Toxorhynchites are typically found in sylvatic habitat environments. They have been proposed as potential biocontrol agents against disease vectors such as Aedes, specifically the larvae of Ae. aegypti and Ae. albopictus. The only 2 species of Toxorhynchites identified in Taiwan are Tx. aurifluus and Tx. manicatus, but there have been no published records of either species since 1984. In January 2014, we identified 2 4th-stage Tx. aurifluus larvae and 2 4th-stage Tx. manicatus larvae in artificial habitats close to dwellings in Guichong village, Pingtung County, Taiwan...
June 2016: Journal of the American Mosquito Control Association
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