Sting microsculpture in the digger wasp Bembix rostrata (Hymenoptera, Crabronidae)

Figure 2 - SEM micrographs of the sting basis, ventral view: A general aspects B basal region of the rami of both valves and of the second valvifera C field of campaniform sensilla on basis of the second valve D detail of the field of campaniform sensilla on basis of the second valve (one campaniform sensillum enlarged in inset) E distally directed microspination on membraneous regions of the first valves. Arrowhead in A shows position of the field of styloconic sensilla on the second valvifer nearby its articulation with the first valvifer (enlarged in Fig. 3B). Scale bars: 100 μm in A and B; 20 μm in C and E; 10 μm in D