FIGURE 4 in Redescription of two species and proposal of a new synonym in the genus Mycotretus Lacordaire, 1842 (Coleoptera: Erotylidae: Tritomini)

FIGURE 4. (A–D) Parts of thorax of Mycotretus chilensis Crotch, 1876 from different localities, (A) female, pronotum showing punctation; (B) male, longitudinal elytral striae; (C) pair of secretory pores on prosternal process; (D) metendosternite, red arrow showing central sclerotization of the anterior processes, big black arrow showing central sclerotization of the stalk, small black arrows showing inner outline of laminae. (E–I) parts of thorax of M. trifasciatus from different localities, (E) male, pronotum showing punctation; (F) longitudinal elytral striae in two specimens; (G) pair of secretory pores on prosternal process; (H) and (I) metendosternites of two specimens, red arrow showing central sclerotization of the anterior processes, big black arrow showing central sclerotization of the stalk, small black arrows showing inner outline of laminae. Scale bars: A–B and F = 0.5 mm, C–D and G–I = 0.1 mm, E = 1 mm.