Light photomicrographs of Rhabdolachosus araguaiaensis comb. n. (CHIOC 37327) A – Reproductive organs: male copulatory organ (MCO), prostatic reservoir (PR); vagina (VG); vagina canal (VGC). B – MCO: accessory piece (AP); base of the MCO (BMCO); prostatic glands (PG). C – MCO: asterisk indicates the same topographical region in D. D – PG. E – distal part of VGC opening into the seminal receptacle (SR). F – ootype (OTP) surrounded by the Mehlis’ gland (MG). Scale bar = 40 µm (A), 20 µm (B–C), 10 µm (D–F).