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- Trailing the life-blood of a cemetery -
Chasing Arboviruses in Vector Mosquitoes at Glenwood Cemetery, Houston, Texas - Trailing the life-blood of a cemetery - By Benedict Khoo, Jenny Martinez, Dr. Jeffrey Flosi University of Houston - Downtown Scholars Academy SURP 2007
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Introduction Species of interest Arthropod-borne Virus
Culex quinquefasciatus (Southern House Mosquito) Aedes albopictus (Asian Tiger Mosquito) Arthropod-borne Virus West Nile Virus (WNV); St. Louis Encephalitis (SLE) Transmission: Cold-Chain of Evidence Why are we interested? Purpose 1: Site 1 vs. Site 2 Purpose 2: CDC vs. GRV Purpose 3: Presence of Arboviruses
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Materials Mosquito Traps Other equipment and materials
2 Gravitraps (GRV) baited with grass-and-yeast-infused water 2 CDC miniature light traps baited with dry ice (CO2) Other equipment and materials Monday Tuesday Wednesday Thursday Friday Set Traps (1pm – 3pm) (7am – 11am) Pick-Up; Process VECTEST (7am – 11am) Carrying Out VECTEST Procedures Set-Up of Site Pick-Up of Traps Processing
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Results Purpose 1: Site 1 vs. Site 2 Purpose 2: CDC vs. GRV
Total number of mosquitoes 476 mosquitoes in 4 trap nights 7 species, 4 genera represented Predominant species Purpose 1: Site 1 vs. Site 2 Purpose 2: CDC vs. GRV Purpose 3: Arboviruses (negative) Conclusions Regarding Hypothesis n = 169 n = 307 n = 58 n = 418
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Discussion Climatological events affecting capture of adult mosquitoes
Flooding and loss of breeding sites near assigned trap locations ~ Future Work
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