Geometridae (Lepidoptera) of Penza Region

On the basis of long-term collections (1907–1909, 1964–1988, 1998–2007), museum materials and literary data Penza Region Geometridae check-list is presented including 227 species, 50 of which are listed for the Region for the first time. The list also includes 7 unnumbered species known only due to past collections and literary data. The data concerning species distribution and ecology are cite