
''Asphondylia'' is a
cosmopolitan
Cosmopolitan may refer to:
Food and drink
* Cosmopolitan (cocktail), also known as a "Cosmo"
History
* Rootless cosmopolitan, a Soviet derogatory epithet during Joseph Stalin's anti-Semitic campaign of 1949–1953
Hotels and resorts
* Cosmopoli ...
genus of
gall midges
Cecidomyiidae is a family of flies known as gall midges or gall gnats. As the name implies, the larvae of most gall midges feed within plant tissue, creating abnormal plant growths called galls. Cecidomyiidae are very fragile small insects ...
in the family
Cecidomyiidae. All
species in this genus induce
galls
Galls (from the Latin , 'oak-apple') or ''cecidia'' (from the Greek , anything gushing out) are a kind of swelling growth on the external tissues of plants, fungi, or animals. Plant galls are abnormal outgrowths of plant tissues, similar to be ...
on plants, especially on
flowers and flower
buds.
There are over 300 described species in ''Asphondylia'', with many more likely to be discovered and described, especially in the southern hemisphere.
Within the genus, characteristics of the
larvae
A larva (; plural larvae ) is a distinct juvenile form many animals undergo before metamorphosis into adults. Animals with indirect development such as insects, amphibians, or cnidarians typically have a larval phase of their life cycle.
The ...
and
pupae are often most useful for distinguishing between species since adults of most species look very similar to one another.
The species inducing a given gall can sometimes be identified based on the shape and placement of the gall in combination with the identity of the
host
A host is a person responsible for guests at an event or for providing hospitality during it.
Host may also refer to:
Places
* Host, Pennsylvania, a village in Berks County
People
*Jim Host (born 1937), American businessman
* Michel Host ...
plant.
Species
References
Further reading
*
External links
*
Cecidomyiinae
Cecidomyiidae genera
Gall-inducing insects
{{Bibionomorpha-stub
Taxa named by Hermann Loew
Insects described in 1850