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Egyptian Journal of Biological Pest Control
Fig. 4 | Egyptian Journal of Biological Pest Control

Fig. 4

From: Ingestion of bacteria expressing dsRNA to maggots produces severe mortality and deformities in fruit fly, Bactrocera dorsalis (Hendel) (Diptera: Tephritidae)

Fig. 4

Retarded development and abnormal phenotypes observed in pupal (a) and adult (b, c) fruit fly developmental stages upon feeding bacteria expressing dsRNA of ECR and RPL19 genes to maggots. Different abnormal phenotypes such as change in melanization (gradual blackening on whole surface) and reduction in size of pupae (a) were observed in comparison to control. The pupae which survived were converted into adult fruit flies but majority of them showed shrunk appearance and having underdeveloped body parts such as absence of wings, underdeveloped abdomen (indicated by arrow head) and absence of legs (2), and in some cases complete abdomen was absent (1), adults with severely curled wings and/or shrinked abdomen (indicated by *), malformed legs and even malformed adults and incomplete eclosion (b, c) were observed

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