“Estimation of the Different Forms of Morphological Variability of Species Linden Bug (Pyrrhocoris Apterus L.) in Different Populations of Belgorod Region for Summer 2012”. Eurasian Journal of Ecology 41, no. 2 (January 14, 2016). Accessed July 19, 2026. https://bulletin-ecology.kaznu.kz/index.php/1-eco/article/view/216.