S. Mahunka szerk.: Folia Entomologica Hungarica 61. (Budapest, 2000)

21 (22) Fore lobes of mesonotum densely punctured laterally; the middle parts adjoining the medial furrow and the front, very sporadically, nearly without punctures. Head with bluish metallic reflection. Sawsheath in Fig. 75, 4th-6th serrulae as in Fig. 19. 8.5-10.0 mm. - Sporadic. N. and C. Europe, N. America nitens Zaddach 22 (21) Middle parts of the fore mesonotal lobes more or less sporadically punctured. Body frquently shining but never with metallic reflection 23 (24) Mesosternum sporadically punctured. Abdominal tergites from the 2nd tergite with well-developed transverse sculpture. Body frequently shining but never with metallic reflection. Wings hyaline. Sawsheath in Fig. 77. 8.0-9.0 mm. Rare montaneous species. Known only from France altivolus Lacourt 24 (23) Mesosternum densely punctured 25 (26) Transverse sculpture of the abdominal tergites more or less obsolescent. OOL : POL : OCL 1.2-1.3 : 1.0 : 1.1-1.2. Sawsheath as in Fig. 78, 4th-6th serrulae in Fig. 20. 8.0-10.0 mm. - Sporadic in the mountains of Austria, Switzerland, France and Italy frigidus Benson 26 (25) Abdomen smooth and shining. OOL : POL : OCL 1.6-1.7 : 1.0 : 1.5. Sawsheath in Fig. 76. 10.5 mm. - Rare montaneous species. Known only from France chevini Lacourt 27 (16) None of the pubescence on the middle of the mesonotum longer than the diameter of an ocellus. Most of them about half as long as diameter of an ocellus. 28 (29) Pubescence on the middle of mesonotum (in profile) only about half as long as diameter of a lateral ocellus, and on mesopleuron all shorter than apical width of tibia. Tergites with normal transverse surface sculpture. Mesosternum with shallow punctures all over. Sawsheath in Fig. 78, 4th-6th serrulae in Fig. 21. 8.5-10.0 mm. - Rare. Britain, Ireland and Holland possilensis Cameron 29 (28) Mesosternum impunctate laterally. Pubescence on mesonotum in part as long as diameter of a lateral ocellus, and on mesopleura in part longer than apical width of front tibia. Tergites with transverse microsculpture more or less obsolescent. 8.0-10.0 mm. Sawsheath as in Fig. 78, 4th-6th serrulae in Fig. 22. Sporadic in the high mountains of Austria, Switzerland, France and Italy alpinus Benson 30 (3) Distance between the tips of the longest hairs of the sawsheath surpassing the width of the sawsheath in dorsal view. The mesonotum and the head (in profile) always densely clothed with curved and long hairs, much longer than the diameter of an ocellus (Figs 61, 79-81, 85) 31 (34) Longest setae of sawsheath straigth or broken, never curved apically (Figs 79-80) 32 (33) Smaller species, not longer than 9.0 mm. Only the first abdominal segment is smooth and shining, sometimes sporadically punctured. Hind margins of abdominal segments whitish. Fore lobes of mesonotum densely and deeply punctured. The central part of these lobes sporadically punctured, almost smooth. Side lobes of mesonotum smooth and shining. Scutellum deeply and