Cernuella (Xerocincta) neglecta (Draparnaud, 1805), een nieuwe soort voor Nederland

Cernuella (Xerocincta) neglecta (Draparnaud) has been found for the first time in the Netherlands, at Hook of Holland in the province of Zuid-Holland. Differences are given between Helicella itala and Cernuella neglecta. Biometrical data are given from three populations of the latter, referred to as „Zonnewende, April 1962 (I)”, „Zonnewende, September/October 1965 (II)” and „Pastoor Onderwaterstraat, October 1965 (III)” (see table I). The populations I and II were sampled at exactly the same locality, but at different times. The measurements are given in 0,1 mm; aantal ex. = number of specimens, breedte = breadth, hoogte = height, gem. = mean, s. = standard deviation, gebandeerd = banded.