S. Mahunka szerk.: Folia Entomologica Hungarica 61. (Budapest, 2000)
6(1) At least abdomen more or less red 7 (12) Abdomen mainly red, only the first tergite and the genitalia more or less black 8 (9) Last abdominal tergite with a large triangular projection covering the major part of the sawsheath. Head black, behind the eyes slightly dilated and then contracted. Pronotum, tegulae, fore lobes of mesonotum red. Anterior margin of mesonotum with a little black spot, scutellum with large black spot and lateral lobes of mesonotum with curved black band. Metanotum and postscutellum black. Mesopleuron mainly red. First tibiae red, second brownish-red, third black with red strip on the outer side. First femora on their apical third, the second and third knees red. First abdominal segment black, the other part of the abdomen red. Mesonotum shining, densely punctured. Wings subhyaline. Head and thorax with dense, whitish pubescence as long as diameter of an ocellus. Sawsheath in Fig. 90. 10.0 mm. - Very rare. Known only from Kamchatka, Russia klutchianus Malaise 9 (8) Last abdominal tergite without any projection 10 (11) Head entirely black, behind the eyes parallel. Prothorax, tegulae, mesonotum, upper part of mesopleuron, two lateral spots on the scutellum red. First abdominal segment and sawsheath black, the other parts of the abdomen red. Legs black, fore tibiae and middle knees red. Mesonotum sporadically, scutellum roughly punctured with shining interspaces. Wings slightly infuscate. Sawsheath in Fig. 91, 4th-6th serrulae in Fig. 35. 9.0-10.0 mm. - Sporadic. East Siberia, Mongolia variegatus Jakovlev 11 (10) Head black, thorax red but lateral lobes of mesonotum except their hind corner, meso- and metascutellum, mesepisternum, mesepimeron, metapleuron, mesoand metasternum black. Legs black, first femora and coxae with small red spots, abdomen entirely red, only the first tergum with two minute black longitudinal strips. Basal one-fifth of costa red, venation black. Wings hyaline. Sawsheath in Fig. 92. 11.5 mm. - Rare species. Known only from Afghanistan afghanicus Haris 12 (7) Often abdomen more or less red-banded, first and at least 7th-9th segments are always black. Fore legs marked with red (except in a rare form of D. pratensis (Linné)). Middle parts of mesonotal lobes and scutellum densely or sparsely punctured, but never with shining interspaces larger than 2 or 3 diameters of a puncture 13 (14) Scutellum very densely, irregulary and coarsely punctured, the coarser punctures much larger than those in the middle of the lateral lobes of mesonotum; these punctures are very irregular, often confluent at the sides and coarser in the middle, where they are widely separated. Abdomen red-girdled and tegulae also red. Abdomen with dense transverse sculpture. Sawsheath acute in lateral aspect and dorsally with the lateral hairs slightly curved (Fig. 93). 4th-6th serrulae in Fig. 31. 8.5-10.0 mm. - Sporadic European species bimaculatus (Geoffroy) 14 (13) Scutellum with regular punctures thinning out in front where there are shining interspaces. In size, the punctures are scacerly larger than those in the middle