Photosensitizing Effects of Hematoporphyrin Dihydrochloride against the Flesh FlyParasarcophaga argyrostoma(Diptera: Sarcophagidae)

Abstract

Abstract There is an urgent need to use environmentally safe pesticides, which do not sneak into human food or animals and then back at him and damage the environment. The photosensitizers, such like hematoporphyrin dihydrochloride (HpD), a nontoxic chemical has an ability to harm the target pest when mixed with suitable baits. When exposed to light, the ingested HpD triggers the destruction of the midgut and inhibits the defensive enzymes, viz acetylcholine esterase (AchE), superoxide dismutase (SOD), catalase (CAT) and glutathione- S-transferase (GST). In the current study, HpD was investigated as photoinsecticide against 3rd larval instar and adults of a myiatic fly, Parasarcophaga argyrostoma (Robineau- Desvoidy) (Sarcophagidae: Diptera). Third instar larvae and adults were fed baits containing 5×10-2, 5× 103, 5× 10-4, 5× 10-5, and 5× 10-6 ppm of HpD. Mortality ratios were recorded at different post treatment sunlight exposure periods. The biochemical study of the impact of one median concentration, 5...