WThe whirligig beetles are a family (Gyrinidae) of water beetles that usually swim on the surface of the water if undisturbed, though they swim underwater when threatened. They get their common name from their habit of swimming rapidly in circles when alarmed, and are also notable for their divided eyes which are believed to enable them to see both above and below water. The family includes some 700 extant species worldwide, in 15 genera, plus a few fossil species. Most species are very similar in general appearance, though they vary in size from perhaps 3 mm to 18 mm in length. They tend to be flattened and rounded in cross section, in plain view as seen from above, and in longitudinal section. In fact their shape is a good first approximation to an ellipsoid, with legs and other appendages fitting closely into a streamlined surface.
WAulonogyrus is a genus of beetles in the family Gyrinidae, containing the following species:Aulonogyrus abdominalis (Aubé, 1838) Aulonogyrus abyssinicus Régimbart, 1883 Aulonogyrus aculeatulus Ochs, 1933 Aulonogyrus acutus Brinck, 1955 Aulonogyrus algoensis Régimbart, 1883 Aulonogyrus alternatus Régimbart, 1892 Aulonogyrus amoenulus (Boheman, 1848) Aulonogyrus angustatus (Dahl, 1823) Aulonogyrus antipodum Fauvel, 1903 Aulonogyrus arrowi Régimbart, 1907 Aulonogyrus ater Brinck, 1955 Aulonogyrus aureus Brinck, 1955 Aulonogyrus bachmanni Ochs, 1937 Aulonogyrus bedeli Régimbart, 1883 Aulonogyrus caffer (Aubé, 1838) Aulonogyrus camerunensis Ochs, 1933 Aulonogyrus capensis (Thunberg, 1781) Aulonogyrus capensis Bjerken, 1787 Aulonogyrus carinipennis Régimbart, 1895 Aulonogyrus centralis Ochs, 1928 Aulonogyrus clementi Legros, 1946 Aulonogyrus concinnus (Klug in Ehrenberg, 1834) Aulonogyrus conspicuus Ochs, 1929 Aulonogyrus convena Guignot, 1955 Aulonogyrus cristatus Régimbart, 1903 Aulonogyrus denti Ochs, 1937 Aulonogyrus depressus Brinck, 1955 Aulonogyrus elegantissimus Régimbart, 1883 Aulonogyrus epipleuricus Régimbart, 1906 Aulonogyrus flavipes (Boheman, 1848) Aulonogyrus flaviventris Régimbart, 1906 Aulonogyrus formosus (Modeer, 1776) Aulonogyrus graueri Ochs, 1937 Aulonogyrus hypoxanthus Régimbart, 1906 Aulonogyrus inyanganensis Mazzoldi, 1996 Aulonogyrus kasikiensis Ochs, 1937 Aulonogyrus knysnanus Brinck, 1955 Aulonogyrus latens Brinck, 1955 Aulonogyrus luimbalus Brinck, 1955 Aulonogyrus malkini Brinck, 1955 Aulonogyrus manoviensis Ochs, 1937 Aulonogyrus marginatus (Aubé, 1838) Aulonogyrus monticola Brinck, 1951 Aulonogyrus naviculus Brinck, 1955 Aulonogyrus obliquus (Walker, 1858) Aulonogyrus rhodesianus Brinck, 1955 Aulonogyrus sesotho Brinck, 1966 Aulonogyrus seydeli Ochs, 1954 Aulonogyrus sharpi Régimbart, 1883 Aulonogyrus splendidulus (Dupont in Aubé, 1838) Aulonogyrus striatus (Fabricius, 1792) Aulonogyrus strigosus (Fabricius, 1801) Aulonogyrus varians Brinck, 1955 Aulonogyrus vethi Régimbart, 1886 Aulonogyrus wehnckei Régimbart, 1883
WDineutus is a genus of beetles in the family Gyrinidae, the whirligig beetles. They are 9 to 15 millimeters long. Their elytra are smooth, shallowly lined, or grooved.
WDineutus angustus is a species of whirligig beetles in the family Gyrinidae. It is found in North America.
WDineutus assimilis is a species of whirligig beetle in the family Gyrinidae. It is found in North America.
WDineutus carolinus is a species of whirligig beetle in the family Gyrinidae. It is found in the Caribbean Sea, Central America, and North America.
WDineutus ciliatus is a species of whirligig beetle in the family Gyrinidae. It is found in North America.
WDineutus discolor, the large whirligig beetle, is a species of whirligig beetle in the family Gyrinidae. It is found in Central America and North America.
WDineutus emarginatus is a species of whirligig beetle in the family Gyrinidae. It is found in North America.
WDineutus hornii is a species of whirligig beetle in the family Gyrinidae. It is found in North America.
WDineutus loriae is a species of beetle within the family of whirligig beetles, or Gyrinidae. The species name loriae honors the Italian explorer Lamberto Loria (1855–1913). This beetle can reach a length of about 20 mm.
WDineutus nigrior is a species of whirligig beetle in the family Gyrinidae. It is found in North America.
WDineutus productus is a species of whirligig beetle in the family Gyrinidae. It is found in North America.
WDineutus sublineatus is a species of whirligig beetle in the family Gyrinidae. It is found in Central America and the Southwestern United States.
WGyrininae is a subfamily of ground and water beetles in the family Gyrinidae. There are at least 60 described species in Gyrininae.
WGyrinus is a genus of small aquatic whirligig beetles in the family Gyrinidae native to the Palearctic, the Near East, the Nearctic and North Africa.
WGyrinus marinus is a species of beetle native to the Palearctic, including Europe. In Europe, it is only found in Austria, Belarus, Belgium, Bosnia and Herzegovina, Croatia, the Czech Republic, mainland Denmark, Estonia, Finland, mainland France, Germany, mainland Italy, Latvia, mainland Norway, Poland, Russia, Slovakia, Sweden, Switzerland, the Netherlands, Ukraine and Yugoslavia.
WGyrinus minutus is a species of whirligig beetle in the family Gyrinidae. It is found in North America and Europe.
WGyrinus natator, the common whirligig beetle, is a species of beetle native to the Palearctic realm, including much of Europe. Its range extends northwards as far as Norway, Finland, and the Saint Petersburg area of Russia. It is an aquatic beetle and moves rapidly around on the surface or swims underwater in still or slow-moving fresh water.
WGyrinus substriatus is a species of beetle native to Europe, the Near East, and North Africa. In Europe, it is only found in Austria, Belarus, Belgium, Bosnia and Herzegovina, Great Britain (incl. Isle of Man, Bulgaria, Croatia, the Czech Republic, mainland Denmark, Estonia, Finland, mainland France, Germany, mainland Greece, Hungary, Ireland, mainland Italy, Liechtenstein, North Macedonia, mainland Norway, Poland, mainland Portugal, Russia, Slovakia, Slovenia, mainland Spain, Sweden, Switzerland, the Netherlands, Ukraine and Yugoslavia. This is one of the most common species of whirligig beetle.
WGyrinus woodruffi is a species of whirligig beetle in the family Gyrinidae. It is found in North America.
WOrectochilus is a genus of beetle native to the Palearctic, the Near East and North Africa. It contains the following species:Orectochilus acuductus Régimbart, 1907 Orectochilus acutilobus Régimbart, 1907 Orectochilus aeneipennis Régimbart, 1907 Orectochilus afghanus Ochs, 1955 Orectochilus africanus Ochs, 1923 Orectochilus agilis Sharp, 1884 Orectochilus agnatus Ochs, 1937 Orectochilus ahlwarthi Ochs, 1957 Orectochilus alienus Ochs, 1933 Orectochilus andamanicus Régimbart, 1884 Orectochilus angulatus Régimbart, 1882 Orectochilus angusticinctus Régimbart, 1907 Orectochilus annandalei Ochs, 1925 Orectochilus apicalis Régimbart, 1891 Orectochilus archipelagensis Ochs, 1953 Orectochilus argenteolimbatus Peschet, 1923 Orectochilus assequens Ochs, 1936 Orectochilus assimilis Ochs, 1957 Orectochilus baeri Régimbart, 1886 Orectochilus bakeri Ochs, 1924 Orectochilus bataviensis Régimbart, 1907 Orectochilus bicolor Ochs, 1957 Orectochilus biformis Ochs, 1937 Orectochilus bipartitus Régimbart, 1882 Orectochilus birmanicus Régimbart, 1891 Orectochilus boettcheri Ochs, 1937 Orectochilus brevidens Ochs, 1940 Orectochilus brevitarsis Falkenström, 1934 Orectochilus brincki Ochs, 1948 Orectochilus caliginosus Régimbart, 1907 Orectochilus cameroni Ochs, 1925 Orectochilus cardiophorus Régimbart, 1888 Orectochilus cardoni Régimbart, 1892 Orectochilus castaneus Régimbart, 1907 Orectochilus castetsi Régimbart, 1892 Orectochilus cavernicola Ochs, 1925 Orectochilus celebensis Régimbart, 1907 Orectochilus chalceus Ochs, 1936 Orectochilus chinensis Régimbart, 1892 Orectochilus choprai Ochs, 1925 Orectochilus coimbatorensis Ochs, 1925 Orectochilus compressus Sturm, 1826 Orectochilus conspicuus Régimbart, 1882 Orectochilus coomani Peschet, 1925 Orectochilus cordatus Régimbart, 1888 Orectochilus corniger Zaitzev, 1910 Orectochilus corporaali Peschet, 1922 Orectochilus corpulentus Régimbart, 1884 Orectochilus crassipes Régimbart, 1884 Orectochilus cribratellus Régimbart, 1891 Orectochilus cuneatus Régimbart, 1892 Orectochilus cupreolus Régimbart, 1907 Orectochilus cylindricus Régimbart, 1892 Orectochilus dehiscens Régimbart, 1907 Orectochilus depressiusculus Ochs, 1940 Orectochilus desgodinsi Régimbart, 1886 Orectochilus dilatatus Redtenbacher, 1868 Orectochilus discifer Walker, 1859 Orectochilus discus Aubé, 1838 Orectochilus dispar Régimbart, 1907 Orectochilus distinguendus Ochs, 1942 Orectochilus divergens Régimbart, 1907 Orectochilus drescheri Ochs, 1937 Orectochilus dulitensis Ochs, 1928 Orectochilus dulitensis Ochs, 1932 Orectochilus eberti Ochs, 1966 Orectochilus emmerichi Falkenström, 1936 Orectochilus fairmairei Régimbart, 1884 Orectochilus fallax Peschet, 1923 Orectochilus feae Régimbart, 1888 Orectochilus ferruginicollis Régimbart, 1907 Orectochilus figuratus Régimbart, 1892 Orectochilus fletcheri Ochs, 1925 Orectochilus florensis Régimbart, 1892 Orectochilus foersteri Ochs, 1957 Orectochilus formosanus Takizawa, 1931 Orectochilus fraternus Régimbart, 1884 Orectochilus fruhstorferi Régimbart, 1907 Orectochilus fusiformis Régimbart, 1892 Orectochilus gangeticus Wiedemann, 1821 Orectochilus gestroi Régimbart, 1882 Orectochilus grandipes Ochs, 1936 Orectochilus haemorrhous Régimbart, 1892 Orectochilus helferi Ochs, 1940 Orectochilus himalayensis Vazirani, 1984 Orectochilus hirtellus Ochs, 1940 Orectochilus horni Ochs, 1933 Orectochilus indicus Régimbart, 1884 Orectochilus indulans Severin, 1892 Orectochilus jaechi Mazzoldi, 1998 Orectochilus javanus Aubé, 1838 Orectochilus jilanzhui Mazzoldi, 1998 Orectochilus kempi Ochs, 1925 Orectochilus kinabaluensis Ochs, 1937 Orectochilus klapperichi Ochs, 1942 Orectochilus klynstrai Ochs, 1927 Orectochilus landaisi Régimbart, 1892 Orectochilus laticinctus Régimbart, 1907 Orectochilus latimanus Régimbart, 1907 Orectochilus leucophthalmus Fröhlich Orectochilus limbatus Régimbart, 1884 Orectochilus longulus Régimbart, 1907 Orectochilus lucidus Régimbart, 1882 Orectochilus lumbaris Ochs, 1940 Orectochilus malaisei Ochs, 1940 Orectochilus marginepennis Aubé, 1838 Orectochilus matruelis Régimbart, 1907 Orectochilus melli Ochs, 1925 Orectochilus metallicus Régimbart, 1884 Orectochilus mimicus Ochs, 1936 Orectochilus minusculus Ochs, 1936 Orectochilus mjobergi Ochs, 1928 Orectochilus mjobergianus Falkenström, 1934 Orectochilus murinus Régimbart, 1892 Orectochilus murudensis Ochs, 1928 Orectochilus musculus Ochs, 1940 Orectochilus nathani Ochs, 1966 Orectochilus neglectus Ochs, 1925 Orectochilus nigricans Régimbart, 1892 Orectochilus nigroaeneus Régimbart, 1907 Orectochilus nipponensis Zaitzev, 1910 Orectochilus nitens Peschet, 1923 Orectochilus nuristanicus Ochs, 1955 Orectochilus oberthueri Régimbart, 1884 Orectochilus oblongiusculus Régimbart, 1886 Orectochilus obscuriceps Régimbart, 1907 Orectochilus obtusangulus Régimbart, 1907 Orectochilus obtusipennis Régimbart, 1892 Orectochilus orbisonorum Orectochilus orissaensis Vazirani, 1958 Orectochilus ornaticollis (Dejean, 1866) Orectochilus oxygonus Régimbart, 1907 Orectochilus palawanensis Régimbart, 1907 Orectochilus palliatus Dejean, 1833 Orectochilus panoembanganus Ochs, 1940 Orectochilus patellimanus Régimbart, 1907 Orectochilus pendleburyi Ochs, 1932 Orectochilus pescheti Ochs, 1957 Orectochilus pfisteri Ochs, 1927 Orectochilus philippinarum White, 1847 Orectochilus pilosellus Ochs, 1940 Orectochilus planatus Ochs, 1937 Orectochilus planiusculus Ochs, 1937 Orectochilus procerus Régimbart, 1884 Orectochilus productus Régimbart, 1884 Orectochilus pubescens Régimbart, 1882 Orectochilus pulchellus Régimbart, 1884 Orectochilus punctilabris Régimbart, 1907 Orectochilus punctipennis Sharp, 1884 Orectochilus punctulatus Régimbart, 1886 Orectochilus pusillus Régimbart, 1882 Orectochilus regimbarti Sharp, 1884 Orectochilus ribeiroi Vazirani, 1958 Orectochilus ritsemae Régimbart, 1882 Orectochilus rivularis Régimbart, 1884 Orectochilus ruficaudatus Ochs, 1940 Orectochilus samarensis Ochs, 1929 Orectochilus scalaris Régimbart, 1880 Orectochilus schillhammeri Mazzoldi, 1998 Orectochilus schultzei Ochs, 1924 Orectochilus sculpturatus Régimbart, 1884 Orectochilus seminitens Ochs, 1937 Orectochilus semivestitus Guérin-Meneville, 1840 Orectochilus severini Régimbart, 1892 Orectochilus similis Ochs, 1929 Orectochilus sinhalensis Ochs, 1937 Orectochilus spiniger Régimbart, 1880 Orectochilus spinosus Zimmermann, 1917 Orectochilus staudingeri Régimbart, 1907 Orectochilus strandi Ochs, 1936 Orectochilus striolifer Régimbart, 1907 Orectochilus sublineatus Régimbart, 1892 Orectochilus subsinuatus Ochs, 1928 Orectochilus sulcipennis Régimbart, 1892 Orectochilus sutteri Ochs, 1953 Orectochilus teranishii Kamiya, 1933 Orectochilus tibialis Ochs, 1940 Orectochilus timorensis Régimbart, 1907 Orectochilus tomentosus Régimbart, 1891 Orectochilus tonkinensis Régimbart, 1892 Orectochilus trianguliger Régimbart, 1888 Orectochilus undulans Régimbart, 1892 Orectochilus validus Régimbart, 1882 Orectochilus velatus Ochs, 1940 Orectochilus vestitus Sturm, 1843 Orectochilus villosovittatus Régimbart, 1891 Orectochilus villosus (Müller, 1776) Orectochilus vitalisi Peschet, 1923 Orectochilus volubilis Ochs, 1929 Orectochilus wangi Mazzoldi, 1998 Orectochilus waterstradti Ochs, 1940 Orectochilus wehnckei Régimbart, 1884 Orectochilus wui Ochs, 1932 Orectochilus yayeyamensis Satô, 1971 Orectochilus zeravschanicus Glasunow, 1893
WSpanglerogyrus albiventris is a species of beetle in the family Gyrinidae, the only species in the genus Spanglerogyrus.