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Larvicides for Mosquito Control

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Larvicides for Mosquito Control ABSTRACT 2020 86th nnualeeting AMARCH –M, PORTLAND OR OREGON CONVENTION CENTER A Simple Twist of Fate WWW.MOSQUITO.ORG TABLE OF CONTENTS The 2020 AMCA Memorial Lecturer: Scott Willis 1 The 2020 AMCA Memorial Honoree: Lucas Terracina 2 Oral Presentation Abstracts 3 Poster Abstracts 97 Author Affiliation and Paper Numbers 154 AMCA Awards and Officers 175 The 2020 AMCA Memorial Lecturer: Scott Willis Scott Willis is recently retired from 31 years of service with Calcasieu Parish Mosquito Control, in Lake Charles, LA. He served as Assistant Director from 1989 – 2010 and served as Director through 2019. He received his B.S (Forestry) and M.S. (Biology) degree from McNeese State University in Lake Charles, Louisiana. His graduate studies were with Dr. Roger Nasci working with Aedes albopictus. He was awarded the first AMCA Student Competition award in 1989. He is a current member of the American Mosquito Control Association and the Louisiana Mosquito Control Association. He served on the LMCA Board of Directors and was President of the LMCA in 1998 and 2008. Scott is an ardent enthusiasts of Bluegrass music, playing and performing for the last 20 years. He enjoys scuba diving, photography and producing historical videography for friends and family. He has two children David and Hannah. 1 The 2020 AMCA Memorial Lecturer Honoree: Lucas George Terracina December 01, 1953 – March 14, 2018 Lucas was born in Opelousas, Louisiana where he grew up and graduated from Opelousas Catholic High School. He received his Bachelor of Science Degree in Wildlife Management from Southwestern Louisiana University (ULL). Lucas began his career in mosquito control with Calcasieu Parish in 1976. He became Director in 1980 and retired in 2013 after 35 years of service. During his tenure, he took a newly created mosquito control program and built it into one of the prominent programs in the country. He actively promoted mosquito education within the school system. In addition, he helped to develop statewide certifications and workshops for all mosquito control workers. Lucas took an active role in many professional organizations. He served on the Louisiana Mosquito Control Association as a Board member for 26 years and as President in 1983 and 2006. The LMCA awarded him the Hathaway Ritter Distinguished Achievement Award in recognition of outstanding contributions to the cause of mosquito control in Louisiana. He served as co-editor of the LMCA newsletter for many years. Lucas was the first representative appointed to the Louisiana Department of Agriculture Advisory Commission on Pesticides. He was affiliated and served on the boards of many organizations that not only benefited mosquito control but his community as well. One of Lucas’s great talents was lobbying and educating legislatures as to the need for continued mosquito control and research. Following hurricanes Katrina and Rita in 2005 the State Health Department Laboratory capabilities were greatly compromised, and they were unable to continue providing arbovirus surveillance testing for mosquito control in Louisiana. Lucas took the lead for the LMCA and worked closely with personnel from several state agencies and they were successful in having the state legislature appropriate funding to continue the arbovirus surveillance testing at the LSU Diagnostic Laboratory. Since that time the legislature has continued to appropriate the funds annually and the program has been expanded. In the early 1990’s he served as interim director for the American Mosquito Control Association (AMCA). The AMCA honored him with their highest award, the “Medal of Honor” in 2002 for exemplary service and leadership. He represented the LMCA and the South-Central Region of the U.S. as Regional Director of the AMCA. Lucas had a great love of family. He was an avid outdoorsman, enjoying both hunting and fishing. He especially loved watching his children and grandchildren participate in sports. He served as a volunteer coach for various youth soccer, baseball, and softball teams. Lucas left a legacy of caring for his family, profession and community. 2 ORAL PRESENTATION ABSTRACTS Plenary Session PL-1 The Reemergence of EEE in 2019: Challenges and Opportunities for Mosquito Control Edward Walker The great epidemics of mosquito-borne encephalitis of the 20th century, along with the well-recognized pestiferous nature of mosquitoes, brought rationale and justification to organized mosquito control in the United States during the formative decades of the industry. In 2019, an epidemic of eastern equine encephalomyelitis swept through the eastern and midwestern United States, capturing the attention of the media and general public, and challenging the preparedness and response of the public health and mosquito-control communities with its ferocity and persistence. Although home-grown and not exotic (unlike Zika, Chikungunya, and West Nile virus), the extent of the outbreak, the number of human cases, the high rate of mortality of human cases, and its extensive geographic range brought home many of the same problems and issues of other episodes in the recent past and persisting to the present: the problem of preparedness, decision making during crisis management, attention to the value of sustained surveillance, implementing vector control where no organized mosquito control programs exist, taking effective action for adequate prevention of human disease, a general lack of knowledge of vector-borne disease and mosquito biology, and the complexity and controversy of insecticide-based interventions which commonly overshadow the disease problem itself in the minds of the public and of elected and appointed officials. These problems are compounded by the availability of social networking, which allows rapid dissemination of information (“messaging”) that easily overtakes the slow and archaic system of public health press releases to the print and broadcast media. This talk will reflect on this epidemic and these issues, develop an historic context, and present ideas for ways forward into the decades of the 21st century. PL-2 Aerial application techniques: fundamental tools for mosquito management – past, present, and future Mark Latham This presentation will start by providing a general overview of the method, a brief history of its use for mosquito control, and a recent history that is both positive in improving the methods, yet also negative in public perception. Examples will be given on published studies, the use of aerial application to combat mosquito-borne disease outbreaks, the hurdles that had to be overcome, and the lessons learned. A discussion will follow on the increased interest in the method resulting from epidemics of newly emerging mosquito-borne diseases and the realization among some in the malaria control community that the stated goal of malaria eradication cannot be achieved solely through IRS and bed net strategies, but also requires outdoor control methods. Finally, suggestions will be made on the directions we need to take in order to support aerial application methods to ensure that this essential tool for rapid wide-area mosquito control remains a viable choice into the foreseeable future. Mosquito Lightning Symposium 1 The weirdest of the weird mosquitoes of the world! Ary Faraji, [email protected], Stephen Doggett, Christina Liew Mosquitoes are weird. From eggs to adults, larvae to pupae, anal papillae to modified siphons, host finding to host feeding, and from their general morphology to their biology. But they are also fascinating creatures that have captivated our attention and efforts for hundreds of years. I will highlight some weird facts about a mosquito species (or several) that most members of the audience will not be familiar with. It will perhaps be about a titillating Coquillettidia species, or some ladies from the Aedes species, or perhaps some trippy Tripteroides. You will have to be there to find out! 3 2 Do tigers hunt during the day? Diel Activity of the Asian tiger mosquito, Aedes albopictus (Diptera: Culicidae), in Urban and Suburban Habitats of North America Isik Unlu, [email protected] Aedes (Stegomyia) albopictus (Skuse) impacts human outdoor activity because of its aggressive biting behavior. As a major vector of mosquito-borne diseases, it is also of public health importance. Although most mosquito species primarily feed at dawn and dusk, Ae. albopictus has been traditionally characterized as a day-biting mosquito. Human sweep netting and bottle rotator traps were used to evaluate the diel activity of Ae. albopictus in central New Jersey Mercer County, USA (temperate urban), while only human sweep netting was used in Florida, Volusia County, USA (subtropical suburban). For both locations, human sweep netting was performed to determine adult mosquito activity at sunrise, solar noon, sunset, and lunar midnight. Diel activity was observed at pre-determined early (3-19 July), peak (25 July-19 September), and late (22 September- 22 October) activity periods due to the temperate nature of New Jersey. Aedes albopictus showed the highest activity during peak and late periods at solar noon (P < 0.05) in New Jersey. The highest adult activity was observed at sunrise using human sweep netting but it was not significantly different from solar noon and sunset in Florida. Although peak activity was noticed during the daytime, there was never a time during the 24h period that Ae. albopictus showed no activity. 3 How Would Rambo Kill Mosquitoes? With 40mm Larvicide Grenades. Gregory Williams, [email protected] Ary promised me a prize in Orlando and didn’t deliver, so I’m back again. Last year we literally blew up the Mosquito Lightning Symposium with our giant pneumatic air cannon that launched mosquito mortars filled with various larvicides over 150 meters. While the cannon worked well, it wasn’t exactly portable. This year we return with a new and improved model. Marvel as we draw first blood from mosquitoes with a hand-held grenade launcher. We used an off the shelf 40mm airsoft grenade launcher to shoot 3D printed soluble projectiles filled with larvicides.
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