Fig. 8
Internal genitalia of male adults of B. lineolata attacking ash trees. (A) Dorsal surface of tegmen; (B) ventral surface of tegmen; (C) penis and endophallus. 1, paramere; 2, phallobase; 3, penis lobe; 4, penis struts; 5, penis; 6, endophallus.

Internal genitalia of male adults of B. lineolata attacking ash trees. (A) Dorsal surface of tegmen; (B) ventral surface of tegmen; (C) penis and endophallus. 1, paramere; 2, phallobase; 3, penis lobe; 4, penis struts; 5, penis; 6, endophallus.

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