Effect of temperature on pasasitism, development, and diapause of the filth fly parasite, Urolepis rufipes (Hymenoptera: Pteromalidae)
1989
Matthews, J.R. | Petersen, J.J.
The solitary pupal parasite Urolepis rufipes (Ashmead), a recent isolate from house fly and stable fly puparia in eastern Nebraska, was studied to evaluate its potential as a biological control agent for these fly species. Parasitism was highest at 25 degrees C for two age classes of host pupae. Parasite-induced mortality attributed to host stinging, excluding emerged parasites, increased with temperature, and generally was significantly higher than parasitism. The number of emerging 1 d before females. Development was more rapid than for most other pteromalid parasites of fifth flies requiring 10-15 d for first male emergence at 25 degrees C. Apparent diapause was evident with this species and was activated by the temperature at which the developing progeny were subjected.
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