oa Journal of the Entomological Society of Southern Africa - A gynandromorph of Agrotis segetum (Denis & Schiff.) (Lepidoptera: Noctuidae): scientific note

Volume 39, Issue 1
  • ISSN : 0013-8789



During laboratory rearing of Agrolis segetum at a constant temperature of 30�C, a gynandromorph moth emerged from a male pupa that had been sexed using the morphological features on the terminal abdominal segments. The moth (fig. I) exhibited dimorphism in the antennae, compound eyes, and wings; the left side being female and the right side male. The abdomen did not show any dimorphism and both the external and internal genitalia were typically those of a male. The head and thorax were the only two regions where dimorphism was manifested in a lateral plane.

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