The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
The perception of dragonflies is different than that of most insects because it does not rely on odour reception. The most important is their sense of sight. Well-developed structure of the brain responsible for vision and motor coordination allows dragonflies being quick and proactive hunters. Analyzing the anatomy of the dragonflies’ brain we can find some evidences of their evolutionary heritage...
The new site of Cordulegaster bidentata in Kiebło Brzezińskie near Bochnia (49º56’N, 20º30’E, UTM: DA63) is given. In the years 2011-2012 numerous larvae were found and imagines were observed. The site has a disjunctive character and is one of the lowest located autochthonic occurrence sites in Poland (260-270 m a.s.l.).
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.