''Eumerus'' is a genus of

hoverflies Hover flies, also called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many species feed mainly on nectar and pollen, whi ...

(

family Family (from la, familia) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). The purpose of the family is to maintain the well-being of its ...

Syrphidae), within the

tribe The term tribe is used in many different contexts to refer to a category of human social group. The predominant worldwide usage of the term in English language, English is in the discipline of anthropology. This definition is contested, in p ...

Eumerini The Eumerini is a tribe of hoverflies. The breeding habits of this group varies: larvae of the genera ''Merodon'' and '' Eumerus'' tunnel into plant bulbs while larvae of '' Psilota'' have been found in sap runs. List of genera *'' Alipumilio' ...

. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow antennae. They have a flat hairy face and a reentrant upper crossvein on the wings. Some species are pests of ornamental flowers. The genus contains 281 known species, making it one of the largest genera of

flies Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insects of this order use only a single pair of wings to fly, the hindwings having evolved into advanced ...

Description

''Eumerus'' species are small to medium (5–12 mm), black hoverflies with a smooth wide, almost cylindrical body. The hind legs are remarkably powerful. They have

compound eyes A compound eye is a visual organ found in arthropods such as insects and crustaceans. It may consist of thousands of ommatidia, which are tiny independent photoreception units that consist of a cornea, lens, and photoreceptor cells which distin ...

with fine hairs that in the male cover most of the head, but in the female are parted over the forehead. The antennae are quite short, dark coloured or orange. The face is flat with downwardly directed hairs. The thorax has a few light longitudinal stripes on its back which are more visible in the front half. The legs are yellowish, or white and black, with the upper back legs usually greatly thickened (except ''

Eumerus flavitarsis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

''), the lower part being curved and sharp, with expanded feet. The abdomen is roughly cylindrical, and clearly constricted at the boundaries between the various parts. The second, third and fourth part has silvery white or yellow oblique spots. In some species, the entire abdomen is a reddish brown. The wings are covered with fine hairs ( microtrichia) on the entire surface. Otherwise they are clear except for a brown-black wing mark. The front cross-vein along the outer edge of the wing has a pronounced kink in the middle.

Gallery

Lesser Bulb-fly (Eumerus funeralis) male (39094691500).jpg, '' Eumerus funeralis'' Eumerus cf. latitarsus.jpg, ''

Eumerus latitarsus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Eumerus paulae 2021-02-21 11-56.jpg, ''

Eumerus paulae ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Eumerus strigatus, Deeside, North Wales, June 2015 2 (23257969082).jpg, ''

Eumerus strigatus ''Eumerus strigatus '', (Fallén, 1817), the Onion Bulb Fly , is a fairly common species of syrphid fly observed acoss Europe. Also found in north-central North America and other scattered locations as an introduced species from infested bulbs ...

Taxonomy

Species

* ''

Eumerus acuticornis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Sack, 1933 * ''

Eumerus ahmadii ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Barkalov-Gharali, 2005 * ''

Eumerus albifacies ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Keiser, 1971 * ''

Eumerus amoenus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Loew, 1848 * ''

Eumerus angustifrons ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Loew, 1848 * ''

Eumerus argyropsis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Bezzi, 1908 * ''

Eumerus argyropus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Loew, 1848 * '' Eumerus aristatus'' Peck, 1969 * '' Eumerus armenorum'' Stackelberg, 1960 * '' Eumerus armipes'' Bezzi, 1915 * '' Eumerus assimilis'' Doesburg, 1955 * '' Eumerus astropilops''

Hull Hull may refer to: Structures * Chassis, of an armored fighting vehicle * Fuselage, of an aircraft * Hull (botany), the outer covering of seeds * Hull (watercraft), the body or frame of a ship * Submarine hull Mathematics * Affine hull, in affi ...

, 1964 * ''

Eumerus astrovarius ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

Speiser Speiser is a German and Yiddish surname. Notable people with the surname include: * Ambros Speiser (1922–2003), Swiss engineer and scientist *Andreas Speiser (1885–1970), Swiss mathematician *Elisabeth Speiser (born 1940), Swiss operatic sopra ...

, 1913 * '' Eumerus aurifrons'' ( Wiedemann, 1824) * '' Eumerus axinecerus''

, 1910 * '' Eumerus barbarus'' ( Coquebert, 1804) * ''

Eumerus basalis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Loew, 1848 * '' Eumerus bayardi'' Séguy, 1961 * ''

Eumerus bernhardi ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

Lindner Lindner is a German surname, which may refer to: * Lindner family, American business family based in Cincinnati, Ohio * Lindner (agricultural machinery manufacturer), Austrian family company * Arlon Lindner (1935–2021), American businessman and p ...

, 1969 * '' Eumerus bequaerti'' Herve-Bazin, 1913 * '' Eumerus bidentatus'' Keiser, 1971 * '' Eumerus breijeri'' Doesburg, 1955 * '' Eumerus brincki''

, 1964 * ''

Eumerus caballeroi ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Gil Collado, 1929 * '' Eumerus canariensis'' Báez, 1982 * ''

Eumerus capensis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' ( Curran, 1938) * '' Eumerus claripennis'' Coe, 1957 * '' Eumerus clavatus''

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 ...

, 1923 * '' Eumerus coeruleus'' (

, 1913) * '' Eumerus compactus'' Doesburg, 1966 * '' Eumerus connexus''

, 1964 * ''

Eumerus consimilis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Simic & Vujic, 1996 * '' Eumerus discimanus'' Keiser, 1971 * '' Eumerus dolichocerus''

, 1915 * ''

Eumerus dubius ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Báez, 1982 * '' Eumerus dux'' Violovitsh, 1981 * '' Eumerus efflatouni'' ( Curran, 1938) * ''

Eumerus elaverensis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Séguy, 1961 * ''

Eumerus emarginatus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Loew, 1848 * '' Eumerus erythrocerus'' Loew, 1858 * '' Eumerus etnenstttis'' van der Goot, 1964 * '' Eumerus excisus'' van der Goot, 1968 * ''

Eumerus falsus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

, 1922 * ''

Eumerus feae ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Bezzi, 1912 * '' Eumerus figurans''

Walker Walker or The Walker may refer to: People *Walker (given name) *Walker (surname) *Walker (Brazilian footballer) (born 1982), Brazilian footballer Places In the United States *Walker, Arizona, in Yavapai County *Walker, Mono County, California * ...

, 1859 * ''

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 ...

, 1843 * ''

Eumerus fumipennis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

, 1964 * '' Eumerus funeralis'' Meigen, 1822 – Lesser Bulb Fly * '' Eumerus graecus''

, 1921 * '' Eumerus grandis'' Meigen, 1822 * '' Eumerus griseus''

, 1964 * '' Eumerus gussakovskii'' Stackelberg, 1949 * ''

Eumerus hispanicus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' van der Goot, 1966 * '' Eumerus hungaricus'' Szilády, 1940 * '' Eumerus hypopygialis'' Doesburg, 1966 * '' Eumerus imitatus'' Doesburg, 1955 * '' Eumerus integer'' Bezzi, 1921 * '' Eumerus jacobsoni''

, 1913 * ''

Eumerus japonicus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Matsumura, 1916 * '' Eumerus keizeri''

, 1964 * '' Eumerus kondarensis'' Stackelberg, 1952 * '' Eumerus lasiops'' Rondani, 1857 * ''

Eumerus latitarsis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Macquart in Webb & Berthelot, 1839 * '' Eumerus longicornis'' Loew, 1855 * ''

Eumerus lucidus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Loew, 1848 * '' Eumerus lugens'' Wiedemann, 1930 * '' Eumerus lunatus'' ( Fabricius, 1794) * '' Eumerus macropygus'' Keiser, 1971 * '' Eumerus maculipennis'' Bezzi, 1915 * ''

Eumerus malagasius ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Keiser, 1971 * '' Eumerus metatarsalis'' Doesburg, 1955 * ''

Eumerus minotaurus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Claussen & Lucas, 1988 * '' Eumerus muscidus'' Bezzi, 1921 * ''

Eumerus narcissi ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Smith, 1928 * ''

Eumerus nebrodensis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Rondani, 1868 * '' Eumerus niehuisi'' Doczkal, 1996 * '' Eumerus niger'' Doesburg, 1955 * '' Eumerus nigroapicalis'' Keiser, 1971 * '' Eumerus nigrocoeruleus''

, 1964 * '' Eumerus nivariae'' Báez, 1982 * '' Eumerus niveitibia''

, 1921 * '' Eumerus nodosus''

, 1964 * '' Eumerus nudus'' Loew, 1848 * ''

Eumerus obliquus ''Eumerus'' is a genus of hoverfly, hoverflies (Family (biology), family Syrphidae), within the Tribe (biology), tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the Scutellum (i ...

'' ( Fabricius, 1805) * ''

Eumerus obscurus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

, 1964 * '' Eumerus obtusiceps''

, 1964 * '' Eumerus okinawaensis'' Shiraki, 1930 * ''

Eumerus olivaceus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Loew, 1848 * ''

Eumerus ornatus ''Eumerus ornatus'' is a species of hoverfly Hover flies, also called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name suggests, they are often seen hovering or nectaring at flowers; the adults of many ...

'' Meigen, 1822 * '' Eumerus ovatus'' Loew, 1848 * ''

Eumerus parasiticus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' ( Séguy, 1955) * ''

'' Herve-Bazin, 1913 * ''

Eumerus pauper ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

, 1921 * '' Eumerus persarum'' Stackelberg, 1961 * '' Eumerus persicus'' Stackelberg, 1949 * '' Eumerus pipizoides''

, 1915 * '' Eumerus platycheiroides'' Keiser, 1971 * ''

Eumerus pulchellus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Loew, 1848 * '' Eumerus pumilio''

, 1964 * '' Eumerus purpureus'' Macquart in Webb & Berthelot, 1839 * '' Eumerus pusillus'' Loew, 1848 * '' Eumerus quadrimaculatus'' Macquart, 1855 * '' Eumerus ribidus''

, 1964 * '' Eumerus richteri'' Stackelberg, 1960 * '' Eumerus rubiginosus'' Herve-Bazin, 1913 * '' Eumerus rudebecki''

, 1964 * '' Eumerus ruficornis'' Meigen, 1822 * '' Eumerus rufipes'' Herve-Bazin, 1913 * '' Eumerus rusticus'' Sack, 1932 * '' Eumerus sabulonum'' ( Fallén, 1817) * '' Eumerus sakarahaensis'' Keiser, 1971 * '' Eumerus santosabreui'' Báez, 1982 * ''

Eumerus scaber ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Bezzi, 1915 * '' Eumerus serratus'' Bezzi, 1915 * ''

Eumerus sicilianus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' van der Goot, 1968 * ''

Eumerus signatus ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Keiser, 1971 * '' Eumerus sinuatus'' Loew, 1855 * ''

Eumerus sogdianus ''Eumerus sogdianus'' is a species of Hoverfly, from the family Syrphidae, in the order Diptera Flies are insects of the order Diptera, the name being derived from the Greek δι- ''di-'' "two", and πτερόν ''pteron'' "wing". Insect ...

'' Stackelberg, 1952 * '' Eumerus speiseri''

, 1964 * '' Eumerus spinifer'' Doesburg, 1955 * ''

'' ( Fallén, 1817) – Lesser Bulb Fly * '' Eumerus subcaeruleus'' Keiser, 1971 * '' Eumerus sudanus'' ( Curran, 1938) * '' Eumerus sulcitibius'' Rondani, 1868 * '' Eumerus tadzhicorum'' Stackelberg, 1949 * '' Eumerus tarsalis'' Loew, 1848 * '' Eumerus tauricus'' Stackelberg, 1952 * ''

Eumerus terminalis ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Santos Abréu, 1924 * '' Eumerus tessellatus''

, 1964 * '' Eumerus toamasinaensis'' Keiser, 1971 * '' Eumerus triangularis'' Herve-Bazin, 1913 * ''

Eumerus tricolor ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' ( Fabricius, 1798) * '' Eumerus tridentatus'' Keiser, 1971 * ''

Eumerus tumidipes ''Eumerus'' is a genus of hoverflies (family Syrphidae), within the tribe Eumerini. They are small with a distinctive smooth round abdomen, powerful back legs and yellow hairs around the scutellum. Others have a dark scutellum and yellow ante ...

'' Doesburg, 1966 * ''

Eumerus tuberculatus ''Eumerus tuberculatus'', the lesser bulb fly (a common name shared by several species of this genus) is a species of hoverfly Hover flies, also called flower flies or syrphid flies, make up the insect family Syrphidae. As their common name ...

'' Rondani, 1857 * '' Eumerus uncipes'' Rondani, 1850 * '' Eumerus unicolor'' Loew, 1858 * '' Eumerus vandenberghei'' Doczkal, 1996 * '' Eumerus vansoni'' Doesburg, 1955 * '' Eumerus varipennis'' ( Curran, 1938) * '' Eumerus vestitus'' Bezzi, 1912 * '' Eumerus villeneuvei'' Herve-Bazin, 1913 * '' Eumerus wainwrighti'' ( Curran, 1938)

References

External links

* Hoverfly genera Eristalinae Taxa named by Johann Wilhelm Meigen {{Syrphidae-stub