Female papillae anales in ventral aspect showing sclerites that characterize Thereus (arrow). Posterior of insect to the right. 23 T. lomalarga 24 T. brocki. Scale bars: 0.5 mm.

 
 
  Part of: Robbins RK, Heredia AD, Busby RC (2015) Male secondary sexual structures and the systematics of the Thereus oppia species group (Lepidoptera, Lycaenidae, Eumaeini). ZooKeys 520: 109-130. https://doi.org/10.3897/zookeys.520.10134