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Description:

Figure 8.a Bembix spp.: Bembix diversipennis, female, male b Bembix flavicincta, female c Bembix fraudulenta, female, male d Bembix fuscipennis, southern melanistic form, female, male e Bembix fuscipennis, northern yellow form, female f Bembix harenarum, female, male. (approximate lengths of females: a 27 mm; b 22.5 mm; c 12.5 mm; d 18.5 mm; e 18 mm; f 15.5 mm)