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The Dytiscidae – based on the Greek dytikos (δυτικός), "able to dive" – are the predaceous diving beetles, a family of water beetles. They occur in virtually any freshwater habitat around the world, but a few species live among leaf litter. The adults of most are between 1 and 2.5 cm (0.4–1.0 in) long, though much variation is seen between species. The European Dytiscus latissimus and Brazilian Megadytes ducalis are the largest, reaching up to 4.5 and 4.75 cm respectively. In contrast, the smallest is likely the Australian Limbodessus atypicali of subterranean waters, which only is about 0.9 mm (0.035 in) long. Most are dark brown, blackish, or dark olive in color with golden highlights in some subfamilies. The larvae are commonly known as water tigers due to their voracious appetite. They have short, but sharp mandibles and immediately upon biting, they deliver digestive enzymes into prey to suck their liquefied remains. The family includes more than 4,000 described species in numerous genera.
Hydaticus is a genus of predatory water beetle belonging to the family Dytiscidae. Hydaticus can be found throughout most of the world. There are 150 described species and 12 subspecies in two subgenera in the genus Hydaticus.
Sandracottus is a genus of beetles in the family Dytiscidae. These aquatic beetles are found in ponds and slow streams from South Asia east to southern Japan, and south to Australia. They are generally about 1–1.5 cm (0.4–0.6 in) long and often have distinctive markings.
Prodaticus is a subgenus of beetles of the genus Hydaticus in the family Dytiscidae. These 143 species are in the subgenus Prodaticus:
Copelatus taprobanicus is a species of diving beetle endemic to Sri Lanka. It is part of the genus Copelatus in the subfamily Copelatinae of the family Dytiscidae. It was described by Wewalka & Vazirani in 1985.
Bidessini is a tribe of predaceous diving beetles in the family Dytiscidae. There are at least 40 genera and at least 630 described species in Bidessini.
Hyphydrini is a tribe of predaceous diving beetles in the family Dytiscidae. There are about 16 genera and more than 390 described species in Hyphydrini.
Madaglymbus is a genus of predaceous diving beetles in the family Dytiscidae. There are about 15 described species in Madaglymbus. They are found in Africa.
Cybister tripunctatus, is a species of predaceous diving beetle found in India, Andaman & Nicobar Islands, Sri Lanka, Afghanistan, Bangladesh, Myanmar, Nepal, Pakistan, Bhutan, China, Cyprus, Iran, Iraq, Japan, Kyrgyzstan, Mongolia, Russia, Syria, Tajikistan, Turkmenistan, Italy, Turkey, Uzbekistan and Europe.
Hydaticus ricinus, is a species of predaceous diving beetle found in India, Afghanistan, Bhutan, Myanmar, Nepal, Pakistan, Sri Lanka, China, Laos, Thailand, and Vietnam.
Hydaticus satoi, is a species of predaceous diving beetle found in India, Bhutan, Myanmar, Nepal, Sri Lanka, China, Indonesia, Japan, Philippines, Saudi Arabia, Taiwan and Thailand.
Laccophilus inefficiens, is a species of predaceous diving beetle found in India, Bangladesh, Bhutan, Myanmar, Nepal, Pakistan, Sri Lanka, China, Hong Kong, Japan, Taiwan, Vietnam, Laos, Thailand, Indonesia, Iran and Malaysia.
Laccophilus sharpi, is a species of predaceous diving beetle found in Asia, Africa and Australian region.
Laccophilus flexuosus, is a species of predaceous diving beetle found in India, Bangladesh, Myanmar, Nepal, Pakistan, Sri Lanka, Cambodia, China, Hong Kong, Indonesia, Iran, Iraq, Japan, Taiwan, Cambodia, Laos and Vietnam.
Hydaticus fabricii, is a species of predaceous diving beetle found in India, Afghanistan, Myanmar, Nepal, Pakistan, Sri Lanka, China, Indonesia, Iran, Japan, Philippines, Taiwan, Thailand, Vietnam and Australia.
Hydroglyphus inconstans, is a species of predaceous diving beetle found in India, Bangladesh, Bhutan, Myanmar, Nepal, Sri Lanka, China, Indonesia, Japan, Malaysia, and Taiwan. It is an alkaliphilous beetle species.
Hydrovatus picipennis, is a species of predaceous diving beetle found in India, Sri Lanka, Indonesia, Philippines, China and Thailand.
Hydrovatus subrotundatus, is a species of predaceous diving beetle found in India, Bangladesh, Myanmar, Nepal, Sri Lanka, China, Indonesia, Laos, Philippines, Singapore, Thailand, Vietnam and Australian region.
Hydrovatus lyratus, is a species of predaceous diving beetle widespread in South Asia, South East Asia and Australian region.
Sandracottus jaechi is a species of predaceous diving beetle found in Sri Lanka.
References
- ↑ "Catalogue of the diving beetles of India and adjacent countries (Coleoptera: Dytiscidae)". Skörvnöpparn, Umeå Supplement 3, 2012: 1-77. Retrieved 2021-08-07.
- ↑ Anders N. Nilsson; Günther Wewalka; Liang-Jong Wang; Masataka Satô (1995). "An annotated list of Dytiscidae (Coleóptera) recorded from Taiwan" (PDF). Beiträge zur Entomologie = Contributions to Entomology. 45: 357–374. doi:10.21248/contrib.entomoL45.2.357-374 (inactive 1 November 2024). ISSN 0005-805X.
{{cite journal}}: CS1 maint: DOI inactive as of November 2024 (link) - ↑ Bilardo, Armando; Rocchi, Saverio (2013-09-01). "Haliplidae, Noteridae, Dytiscidae (Coleoptera) du Gabon (9ème partie). Parc National des Plateaux Batéké (missions 2010 et 2012)". Natural History Sciences. 154 (2): 131–155. doi: 10.4081/nhs.2013.131 . Retrieved 2021-08-11.
- ↑ Freitag, Hendrik; Jäch, Manfred A.; Wewalka, Günther (2016-07-02). "Diversity of aquatic and riparian Coleoptera of the Philippines: checklist, state of knowledge, priorities for future research and conservation". Aquatic Insects. 37 (3): 177–213. Bibcode:2016AqIns..37..177F. doi:10.1080/01650424.2016.1210814. S2CID 88832813 . Retrieved 2021-08-11.
- ↑ "Pseuduvarus vitticollis (Boheman, 1848)". www.gbif.org. Retrieved 2021-08-11.
- ↑ "PSEUDUVARUS VITTICOLLIS (BOHEMAN): AN EMIGRANT FROM THE AFROTROPICAL REGION TO THE PALEARTIC REGION?" (PDF). Quad. Studi Nat. Romagna, 24: 65-67, giugno 2007. Retrieved 2021-08-08.
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