File:Водолюб большой чёрный - Hydrophilus piceus - Great Silver Water Beetle - Großer Kolbenwasserkäfer (30204198705).jpg
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English: This beetle is among the largest aquatic insects. It can exceed 5 centimeters in length and 2 centimeters in width; the head alone can be a centimeter long. Is omnivorous but favors plant material. It can live for up to 3 years. Swim reluctantly, making asynchronous movement of middle and hind limbs. They prefer to crawl on aquatic plants. In the spring, the adult female spins a cocoon, fills it with eggs (up to 140), and sets it afloat.
Distribution -Europe from southern Scandinavia to the Mediterranean, North Africa (known only in Egypt), the Caucasus, Central and Central Asia, Russia (South Siberia, Primorye), China, India. Hydrophilus piceus is considered to be extinct (EX) in Luxemburg and Norway, critically endangered (CR) in the Czech Republic, vulnerable (VU) in Slovakia and near threatened (NT) in Poland, Sweden and the UK.
Русский: Водолюб большой чёрный является одним из крупнейших водных насекомых. Он может превышать 5 сантиметров в длину и 2 см в ширину; одна лишь голова может быть длиной в сантиметр. В европейской части России - крупнейший жук, после жука-оленя. Всеяден, но предпочитает растительую пищу, живет до 3-х лет. Плавает неохотно, совершая асинхронные движения средними и задними конечностями, предпочитает ползать по водным растениям. Брокгауз и Ефрон: «плавают плохо, не гребут, а только поочередно перебирают ногами (как собаки)». Весной взрослая самка плетет кокон, заполняет его яйцами (до 140 шт) и устанавливает его на плаву.
Ареал -Европа от Южной Скандинавии до Средиземноморья, Северная Африка (известен только в Египте), Кавказ, Средняя и Центральная Азия, Россия(Южная Сибирь, Приморье), Китай, Индия. Hydrophilus piceus считается вымершим (EX) в Люксембурге и Норвегии, находящимся под угрозой исчезновения (CR) в Чешской Республике, уязвимым (VU) в Словакии и близким к исчезновению (NT) в Польше, Швеции и Великобритании. |
| Date | |
| Source | Водолюб большой чёрный / Hydrophilus piceus / Great Silver Water Beetle / Großer Kolbenwasserkäfer |
| Author | Katya from Moscow, Russia |
| Camera location |  | View this and other nearby images on: OpenStreetMap |  |
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This image was originally posted to Flickr by katunchik at https://flickr.com/photos/12090392@N02/30204198705. It was reviewed on 18 March 2017 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-sa-2.0. |
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| current | 21:15, 18 March 2017 | | 2,950 × 2,208 (6.32 MB) | Спасимир (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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