Corrections and Additions to the work entitled "Geometrid Moths of the World", edited by M. J. Scoble (Lepidoptera) - V. Centr. ent. Stud., Misc. Pap. 136: 1-2. This paper deals with the corrections of the work entitled "Geometrid Moths of the World". Totally 11 scientific errors have been corrected. Phalaena amabilis Cramer,1777 is invalid, as it is junior primary homonym of Phalaena amabilis Drury,1773 [Noctuidae] (syn.n.); therefore, Opisthoxia amabilaria Hubner,[1825] is proposed as valid (sp.rev.). Polymixinia lidjangina ssp. muhabbet Kocak is proposed as replacement name (nom.nov.). Preliminary checklist of Loxostege Hbn., with some taxonomical and geographical notes (Lepidoptera, Pyralidae). Centr. ent. Stud., Misc. Pap. 136: 2-8, 3Tab. This paper deals with the 89 species of Loxostege Hbn in the World. A checklist of the valid species and subspecies with current synonyms are listed. Range of all species are given in Codes. Provincial distributions of the Loxostege species in Turkey are given. Two new species, Loxostege afghana Kocak & Kemal (sp.n.), and Loxostege halil Kemal & Kocak (sp.n.) are described from Afghanistan, and Turkey respectively. Foodplants of 7 species are mentioned and discussed. As faunal elements, all Loxostege species in Holarctic, Afrotropical, Orientalic and Neotropical Regions are evaluated and discussed briefly.