Fate of Bacteria in the Developmental Stages of the House Fly, Musca Domestica Vicina
نویسنده
چکیده
Bacterial distribution in different developmental stages of house fly Muscadomesticavicina revealed that in the majority of maggots and prepupae, the hemolymph is sterile. Fat cells and trachea are like-wise sterile. Bacteria was distributed through the digestive tract of immature stages of the fly. In larvae/ the largest bacterial count was found in the fore gut then the hind gut and lastly the anterior portion of the mid-gut. The normal flora was diminished slightly as it passed down the mid-gut. The hind-gut of the prepupa harbors more bacteria than the mid gut. In the pupa rearrangement of the intestinal flora of the prepupa to the inner surface of the puparium, the molting membrane, and the surface of the pupa takes place whereas the pupal gut retained very fewnumber of bacteria. During adult emergence, most bacteria are retained in the puparium and the adult emerged with relatively few number of bacteria. External bacterial contamination was studied in four sites of the house fly. Bacterial contamination was found in all sites. However, according to the comparative bacterial density of these sites, the body (thorax and abdomen) was the site which demonstrated the highest density, followed by the legs, head and then the wings. [Najat A. Fate of Bacteria in the Developmental Stages of the House Fly, Musca Domestica Vicina. Life Sci J 2013;10(2):2798-2803] (ISSN:1097-8135). http://www.lifesciencesite.com. 388
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