Of the total Chrysomya catch, only 0.04% were C. bezziana. Of the 108 C. bezziana trapped only one was male, compared with 17-26% males in the other species. This demonstrated that the male screw-worm fly is relatively unresponsive to sources of protein. Nulliparous females accounted for 9% of the total C. bezziana catch, compared with 53-76% for the blowfly species. This is related to the autogenous nature of the screw-worm fly, which does not require protein during the first ovarian cycle. Gravid females accounted for 12% of the C. bezziana catch compared with 21 -50% in the other Chrysomya species, 14% in L. cuprina and 5% in C. hominivorax. Of the second ovarian cycle flies trapped, 98% of the C. bezziana were in the early stages of egg development compared with 43-62% in the blowfly species and C. hominivorax.
Of the total Chrysomya catch, only 0.04% were C. bezziana. Of the 108 C. bezziana trapped only one was male, compared with 17-26% males in the other species. This demonstrated that the male screw-worm fly is relatively unresponsive to sources of protein. Nulliparous females accounted for 9% of the total C. bezziana catch, compared with 53-76% for the blowfly species. This is related to the autogenous nature of the screw-worm fly, which does not require protein during the first ovarian cycle. Gravid females accounted for 12% of the C. bezziana catch compared with 21 -50% in the other Chrysomya species, 14% in L. cuprina and 5% in C. hominivorax. Of the second ovarian cycle flies trapped, 98% of the C. bezziana were in the early stages of egg development compared with 43-62% in the blowfly species and C. hominivorax.
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