Holoparasitus annulus, Juvara-Bals & Witalinski, 2006

Witaliński, Wojciech, 2017, Key to the world species of Holoparasitus Oudemans, 1936 (Acari: Parasitiformes: Parasitidae), Zootaxa 4277 (3), pp. 301-351 : 303-304

Holoparasitus annulus species-group ( Juvara-Bals & Witaliński, 2006)

Diagnosis. Both sexes. Gnathotectum trispinate; pores gv 2 in unmodified cuticle.

Female. Sternum with a prominently sclerotised margin between the st1 setae, overlapping the presternal plate; lateral presternal platelets free; epigynial subapical structure weakly sclerotised forming the two hyaline, membranous protrusions extending beyond the epigynial margin; endogynium visible as an arcuate cuticular plate laterally connected to the metagynial sclerites, with a ventrally visible ring-like opening.

Male. Excipulum on the sternum absent; central part of hypostome regularly triangular and moderately sclerotised; hypostomatic setae on a separate piece of cuticle; corniculi with proximal protuberance; setae v1 on the palptrochanter stout; fixed digit of chelicera straight and obliquely truncate, pilus dentilis dislocated towards the middle of an inner margin; genital lamina with a strongly sclerotised circular central structure, flanked by the sclerotised semicircular elements; anterior margin of genital lamina with an incision, lateral prongs absent; tritosternum on a large microsclerite; coxa II with 6+1 denticles in a fan arrangement; femur II with the main spur thumb-like and rounded apically, axillary process straight, with an apex at the same level as that of main spur.

Included species:

1. H. annulus Juvara-Bals & Witaliński, 2006 2. H. sardensis Juvara-Bals & Witaliński, 2006