Etymology: This species is named after Mrs. Priscilla M. J. van Andel, a Dutch wildlife enthusiast, who, along with her husband Mr. J. H. (Hans) Raaijmakers, first found and provided specimens from the UAE for this study.
Original Type Locality: Oman, Dhofar, Salalah, Wadi Darbat, near Tawi Atayr
Spider material collected from Oman and Iran revealed a new species of the genus
Ischnocolus Ausserer, 1871, which is described as I. vanandelae sp. n. New records of
I. jickelii L. Koch, 1875 from Saudi Arabia, Yemen and United Arab Emirates show a
larger distribution of this species than previously known. The natural history of I.
vanandelae sp. n. and I. jickelii is described and the rather unusual colour polymorphism
of the latter is discussed. The genus now includes eight species, whose distribution