S. Mahunka szerk.: Folia Entomologica Hungarica 48. (Budapest, 1987)

Figs 13-16. Genitalia: 13 - Ch. similis, valve and tegumen-uncus; 14 - Ch. similis, female; 14 a - Ch. annellata, distal part of antrum; 15 - Ch. colpiformis, valve and tegumen-uncus; 16 - Ch. colpiformis, valve and female.