PMID: 11931246Apr 5, 2002Paper

Responses of fertile and sterile screwworm (Diptera: Calliphoridae) flies to bovine blood inoculated with bacteria originating from screwworm-infested animal wounds

Journal of Medical Entomology
M F ChaudhuryL Alfredo Alvarez

Abstract

ABSTRACT A simple bioassay system was developed to study locomotory and ovipositional responses of screwworm, Cochliomyia hominivorax (Coquerel), flies to bovine blood inoculated with eight species of coliform bacteria that were isolated from screwworm-infested animal wounds. When exposed to odors from bacteria-inoculated blood which was incubated for 72 h at 37 degrees C, approximately 50% of 7- and 10-d-old gravid females landed on the blood by the end of 15 min test exposure. Only 17% of 7-d-old reproductively sterile females (from irradiated pupae) with previtellogenic ovaries and 2% of 4-d-old vitellogenic females responded to the same treatment. Females generally reacted in greatest numbers to bacteria-inoculated blood incubated for 72 h, followed by 48 h, then 24 and 96 h. Males of all ages tested were unresponsive. Although oviposition occurred in tests with gravid females lasting for 1 h, with both inoculated blood and an uninoculated control, the inoculated sample was significantly better than the control at 48, 72, and 96 h incubation duration. Our results are consistent with the conclusion that the inoculated blood, when incubated for 48-72 h, gives off volatile chemicals which attract gravid females and contains an...Continue Reading

References

Sep 14, 2000·Journal of Economic Entomology·M F ChaudhuryL Lopez Velazquez

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Citations

Nov 21, 2007·Parasitology Research·Nophawan BunchuKom Sukontason
Aug 28, 2013·Parasitology Research·Kittikhun MoophayakKom Sukontason
Jan 13, 2012·The ISME Journal·Qun MaThomas K Wood
Jan 24, 2003·Journal of Economic Entomology·M F ChaudhuryL Lopez Velazquez
Jan 11, 2016·Journal of Economic Entomology·M F ChaudhuryS R Skoda
Apr 13, 2006·Medical and Veterinary Entomology·A RomeroL Zurek
Jan 27, 2012·Evolution; International Journal of Organic Evolution·Robert M Brucker, Seth R Bordenstein
Oct 5, 2006·Journal of Medical Entomology·Aaron M Tarone, David R Foran

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