FIGURE 4. Opilioacarus brignolii n in A new species of Opilioacarus With, 1902 (Acari: Opilioacaridae) from Italy, and a new diagnosis of the genus

FIGURE 4. Opilioacarus brignolii n. sp. Phase contrast microscopy: ventral view of male palptarsi, with detail of (A) foliate d setae (d1) and (B) pectinate d setae (d2), and their semi-schematic drawing (C, D). SEM: (E) anal valve and (F) prodorsal shield stout ribbed setae.