''Callicera'' is a
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 reg ...
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial nom ...
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, while ...
Medium-sized to rather large (wing length 9·75–15 mm.)
bumblebee
A bumblebee (or bumble bee, bumble-bee, or humble-bee) is any of over 250 species in the genus ''Bombus'', part of Apidae, one of the bee families. This genus is the only extant group in the tribe Bombini, though a few extinct related genera ...
mimics. They are beautiful metallic flies, with strikingly long antennae. All the species are considered rare. ''Callicera'' larvae live in water rot-holes of overmature trees as saprophages. They occur mainly in ancient forests where they are arboreal.
[Peck, L.V. (1988) Syrphidae. In: Soos, A. & Papp, L. (eds.) ''Catalogue of Palaearctic Diptera'', 8: 11–230. Akad.Kiado, Budapest.]
''Callicera'' have been used as
bioindicators
A bioindicator is any species (an indicator species) or group of species whose function, population, or status can reveal the qualitative status of the environment. The most common indicator species are animals. For example, copepods and other sma ...
.
Species
*''
C. aenea''
( Fabricius, 1781)
*''
C. aurata''
( Rossi, 1790)
* ''
C.christiani''
(Ghorpade, 1982)
* ''
C.doleschalli''
( Verrall, 1913)
*''
C. duncani''
Curran, 1935
*''
C. erratica''
(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 ...
, 1849)
*''
C. exigua''
Smit, 2014
*''
C. fagesii''
Guérin-Menéville, 1844
*''
C. macquarti''
Rondani, 1844
*''
C. montensis''
Snow, 1892
* ''
C. nitens''
(Coe, 1964)
* ''
C.poultoni''
( Verrall, 1913)
* ''
C.robusta''
(Coe, 1964)
*''
C. rohdendorfi''
Zimina, 1982
*''
C. rufa''
Schummel, 1842
* ''
C.sackeni''
( Verrall, 1913)
*''
C. scintilla''
Smit, 2014
*''
C. spinolae''
Rondani, 1844
*''
C. sumatrensis''
(Meijere, 1919)
References
External imagesImages representing ''Callicera''
Hoverfly genera
Eristalinae
Taxa named by Georg Wolfgang Franz Panzer
{{Syrphidae-stub