Figs 2–3 in Study of stridulatory organs in the family Heteroceridae (Insecta: Coleoptera)

Figs 2–3. The abdominal cuticular ridge with the stridulatory file: 2 — complete abdominal ridge of female Augyles interspidulus (postmetacoxal lines of first abdominal segment present); 3 — incomplete abdominal ridge of female Heterocerus heydeni (post-metacoxal lines of first abdominal segment absent). Рис. 2–3. БрюШной кутикулЯрный гребень со стридулЯционным полем: 2 — полнаЯ бедреннаЯ линиЯ самки Augyles interspidulus; 3 — неполнаЯ бедреннаЯ линиЯ самки Heterocerus heydeni.