Fig. 3. The maximally inflated endophallus
P. (Petrophilus) sachalinensis Kirschenhofer
Metatrochanter without a setiferous pore. Metacoxa with 2 setiferous pores.
Mesofemur with 2 setae along hind margin. Last tarsal segment setose underneath.
Metepisternum short. Proepisternum smooth.
Head smooth. Pronotum with rounded hind angles.
Elytra without humeral tooth. Scutellar stria with or without a pore.
Intervals weakly convex.
Third interval with 4-5 setiferous pores: first pore nearer to third stria,
remainder pores nearer to second stria or sinuated in middle of interval.
Endophallus (Fig. 3). Total length 11,3 - 12,5 mm.
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Fig. 3. The maximally inflated endophallus
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