Figure 1

Reproductive system of adult males and females. (A) F1-hybrid adult male of An. sinensis x An. kleini showing atrophy of testes and accessory glands. (B) Backcross adult male of (An. kleini x An. sinensis)F1 x An. kleini showing normal development of testes and accessory glands. (C) F1-hybrid adult female of An. sinensis x An. kleini showing normal development of ovarian follicles. (D) F1-hybrid adult female of An. kleini x An. sinensis showing normal development of ovarian follicles.