thumbnail, Female '' Chrysotoxum bicinctum'' The genus ''Chrysotoxum'' (Meigen, 1803) consists of large, wasp-mimicking species. The adults are distinguished by very long antennae, oval abdomen with yellow stripes, and yellow patterns on the thoracic pleurae (sides of the

thorax The thorax or chest is a part of the anatomy of humans, mammals, and other tetrapod animals located between the neck and the abdomen. In insects, crustaceans, and the extinct trilobites, the thorax is one of the three main divisions of the cre ...

). The species of ''Chrysotoxum'' are chiefly

Holarctic The Holarctic realm is a biogeographic realm that comprises the majority of habitats found throughout the continents in the Northern Hemisphere. It corresponds to the floristic Boreal Kingdom. It includes both the Nearctic zoogeographical region ...

in distribution. . The species in this genus, , are mostly very uniform in structure and colour and are separated with difficulty. Larvae are specialized in preying upon root aphids associated with ant nests .

Species

*'' C. amurense'' Violovitsh, 1973 *'' C. arcuatum'' ( Linnaeus,

1758 Events January–March * January 1 – Swedish biologist Carl Linnaeus (Carl von Linné) publishes in Stockholm the first volume (''Animalia'') of the 10th edition of Systema Naturae, 10th edition of ''Systema Naturae'', the sta ...

) *'' C. asiaticum''

Becker Becker () is one of the German-language surnames, along with Bäcker and Baecker, that derive from the root, which refers to baking. The surname began as a name for a baker (and thus his family). In northern Germany it can also derive from the ...

, 1921 *'' C. bactrianum'' Violovitsh, 1973 *'' C. bajkalicum'' Violovitsh, 1973 *'' C. bicinctum'' ( Linnaeus,

) *'' C. caucasicum'' Sack, 1930 *'' C. cautum'' ( Harris, 1776) *'' C. chakassicum'' Violovitsh, 1975 *'' C. chinook'' Shannon, 1926 *'' C. cisalpinum'' Rondani, 1845 *'' C. coreanum'' Shiraki, 1930 *'' C. derivatum'' Walker, 1849 *''

C. elegans ''Caenorhabditis elegans'' () is a free-living transparent nematode about 1 mm in length that lives in temperate soil environments. It is the type species of its genus. The name is a blend of the Greek ''caeno-'' (recent), ''rhabditis'' (r ...

'' Loew, 1841 *'' C. fasciatum'' (

Müller Müller may refer to: * ''Die schöne Müllerin'' (1823) (sometimes referred to as ''Müllerlieder''; ''Müllerin'' is a female miller) is a song cycle with words by Wilhelm Müller and music by Franz Schubert * Doctor Müller, fictional character ...

, 1764) *'' C. fasciolatum'' (

De Geer The De Geer family (also: De Geer van Jutphaas and De Geer van Oudegein) is a prominent industrial family of Walloon origin that belongs to the Swedish and Dutch nobility. History The name derives from the town of Geer near Liège (in present ...

, 1776) *'' C. festivum'' ( Linnaeus,

) *'' C. flaveolum'' Violovitsh, 1973 *'' C. flavifrons'' Macquart, 1842 *'' C. fratellum'' Shannon, 1926 *'' C. gracile''

, 1921 *'' C. graciosum'' Violovitsh, 1975 *'' C. grande'' Matsumura, 1911 *'' C. hameleon'' Violovitsh, 1973 *'' C. impressum''

, 1921 *'' C. intermedium'' Meigen, 1822 *'' C. kozhevnikovi'' Smirnov, 1925 *'' C. kozlovi'' Violovitsh, 1973 *'' C. lanulosum'' Violovitsh, 1973 *'' C. laterale'' Loew, 1864 *'' C. latifasciatum''

, 1921 *'' C. lessonae'' Giglio-Tos, 1890 *'' C. lineare'' (

Zetterstedt Johan Wilhelm Zetterstedt (20 May 1785 – 23 December 1874) was a Sweden, Swedish Naturalism (philosophy) , naturalist who worked mainly on Diptera and Hymenoptera. Biography Zetterstedt studied at the Lund University, University of Lund, where ...

, 1819) *'' C. lydiae'' Violovitsh, 1964 *'' C. montivagum'' Violovitsh, 1973 *'' C. octomaculatum'' Curtis, 1837 *'' C. parmense'' Rondani, 1845 *'' C. parvulum'' Violovitsh, 1973 *'' C. perplexum''

Johnson Johnson is a surname of Anglo-Norman origin meaning "Son of John". It is the second most common in the United States and 154th most common in the world. As a common family name in Scotland, Johnson is occasionally a variation of ''Johnston'', a ...

, 1924 *'' C. przewalskyi'' Portschinsky, 1887 *'' C. pubescens'' Loew, 1864 *'' C. radha'' Violovitsh, 1971 *'' C. radiosum'' Shannon, 1926 *'' C. rhodopense'' Drensky, 1934 *'' C. robustum'' Portschinsky, 1887 *'' C. rossicum''

, 1921 *'' C. rubzovi'' Violovitsh, 1973 *'' C. sackeni'' Giglio-Tos, 1890 *'' C. sapporense'' Matsumura, 1916 *'' C. sibiricum'' Loew, 1856 *'' C. skufjini'' Violovitsh, 1973 *'' C. stackelbergi'' Violovitsh, 1953 *'' C. stenolomum'' Violovitsh, 1973 *'' C. subbicinctum'' Violovitsh, 1956 *'' C. testaceum'' Sack, 1913 *'' C. triarcuatum'' Macquart in Webb & Berthelot, 1839 *'' C. verae'' Violovitsh, 1973 *'' C. vernale'' Loew, 1841 *'' C. verralli'' Collin, 1940 *'' C. villosulum'' Bigot, 1883 *'' C. willistoni'' Curran, 1924 *'' C. ypsilon'' Williston, 1887

References

{{Taxonbar, from=Q1767522 Hoverfly genera Syrphinae Taxa named by Johann Wilhelm Meigen