Fig 4. Expression levels of the seminal fluid encoding gene (AcPC01) in the accessory glands of male beetles collected from the reference and polluted sites.

Data are represented as mean ± SE, p<0.05. a&b: Frequency of micronuclus formation (MN) in the testicular cells of P. latreillei collected from reference and polluted sites. Data are represented as mean ± SE, p<0.05. c: Photograph of the male reproductive system of P. latreillei. Testis (Tes), germinal cyst (GC), accessory gland (AG), ejaculatory duct (EjD), aedeagus (Aed).