The oak gall wasps of Israel (Hymenoptera, Cynipidae, Cynipini) - diversity, distribution and life history Author Shachar, Einat Author Melika, George Author Inbar, Moshe Author Dorchin, Netta text Zootaxa 2018 2018-11-16 4521 4 451 498 journal article 27950 10.11646/zootaxa.4521.4.1 832ac35c-8871-4041-9321-ea7f2ae5eb41 1175-5326 2610021 A4FD6137-25B0-43D5-845B-B4FDF4E9F5D7 Biorhiza Westwood, 1840 A Holarctic genus with six species, four of which in the Nearctic Region ( Melika & Abrahamson 2002 ), one - B . nawai (Ashmead) in the Eastern Palaearctic, and another - B. pallida in the Western Palaearctic. All species are associated with oaks of section Quercus , on which the asexual generation develops in root galls and the sexual generation in bud galls ( Melika 2006b ).