FIGURES 6–17 in Validation of Heterocerus heydeni Kuwert, 1890 based on morphology and DNA barcoding, with notes on the problems of classification of the Heteroceridae (Coleoptera)

FIGURES 6–17. Variability and sexual dimorphism of Heterocerus spp. 6–9—H. heydeni, males (South Kazakhstan); 10– 13—H. heydeni, females (South Kazakhstan); 14—H. heydeni, tubercles on clypeus of male, hairs removed; 15—H. heydeni, male abdomen; 16—H. heydeni, female abdomen; 17—H. flexuosus, female with extremely light elytra (Crimea). Scale bars = 1 mm (Figs. 6–13, 15–17) and 0.2 mm (Fig. 14).