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Evaluating Attractants in SIT Programs: Insights from Rui Pereira's Jackson Trap Studies

This study explores the effectiveness of various attractants in the Sterile Insect Technique (SIT) programs, focusing on results from Rui Pereira's Jackson trap with trimmed lure. Key findings include the distribution of fly populations, the ratio of sterile to wild males, and the detection levels of wild populations. The analysis also highlights significant faults such as the impact of fluorescent dye on fly production and cost challenges associated with male separation. Recent developments in female attractants and traps demonstrate potential improvements in control programs.

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Evaluating Attractants in SIT Programs: Insights from Rui Pereira's Jackson Trap Studies

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  1. Evaluate new attractants in SIT programms Rui Pereira

  2. Jackson trap with trimedlure Standard Extensiveadultmasstrapping

  3. Results • Distribution of the flies • Ratio Sterile:Wild • Wild population levels • Wild population detection

  4. Marked Unmarked Wild Sterile Males

  5. Major faults • Use of florescent dye causes reduced fly • Cost of separating the males

  6. Recent developments • Availability of GSS • Control Programs • Female attractants

  7. Dry traps with female attractants Tephri Traps Traps

  8. Female attractants TCL • Putrescine • Ammonium acetate • Trimetylamine

  9. Females catch are wild If GSS is used

  10. Madeira-Med (1999) • Females released (1.8%) • Traps serviced (5,508) • Females catch (154,035) • Percentage of sterile females (0.66%)

  11. Wild flies

  12. Madeira-Med (Data from 1999)

  13. (wild + sterile) (all wild) Total flies (250) (192) (58) wild= 0.72  (0.72 x 58) = 42 sterile= total – wild  (192 – 42) = 150

  14. Ratio Sterile:Wild

  15. Conclusion:(Advantages of unmarked pupae) • Increase the quality of the flies • Cost reduction • Increase the quality of the work (reduce the risk of allergies)

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