''Andricus'' is a
genus
Genus ( plural genera ) is a taxonomic rank used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In the hierarchy of biological classification, genus com ...
of oak
gall wasp
Gall wasps, also incorrectly called gallflies, are hymenopterans of the family Cynipidae in the wasp superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1,300 species of this generall ...
s in the
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 ...
Cynipidae
Gall wasps, also incorrectly called gallflies, are hymenopterans of the family Cynipidae in the wasp superfamily Cynipoidea. Their common name comes from the galls they induce on plants for larval development. About 1,300 species of this genera ...
.
Life cycle
As in all
Hymenoptera
Hymenoptera is a large order (biology), order of insects, comprising the sawfly, sawflies, wasps, bees, and ants. Over 150,000 living species of Hymenoptera have been described, in addition to over 2,000 extinct ones. Many of the species are Par ...
,
sex-determination in species of the genus ''Andricus'' is governed by
haplodiploidy
Haplodiploidy is a sex-determination system in which males develop from unfertilized eggs and are haploid, and females develop from fertilized eggs and are diploid. Haplodiploidy is sometimes called arrhenotoky.
Haplodiploidy determines the sex ...
: males develop from unfertilized eggs and are
haploid
Ploidy () is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes. Sets of chromosomes refer to the number of maternal and paternal chromosome copies, respectively ...
, and females develop from fertilized eggs and are
diploid
Ploidy () is the number of complete sets of chromosomes in a cell, and hence the number of possible alleles for autosomal and pseudoautosomal genes. Sets of chromosomes refer to the number of maternal and paternal chromosome copies, respectively ...
.
Many
species
In biology, a species is the basic unit of classification and a taxonomic rank of an organism, as well as a unit of biodiversity. A species is often defined as the largest group of organisms in which any two individuals of the appropriate s ...
in the genus alternate between an
asexual generation and a
sexual
Sex is the biological distinction of an organism between male and female.
Sex or SEX may also refer to:
Biology and behaviour
*Animal sexual behaviour
**Copulation (zoology)
**Human sexual activity
**Non-penetrative sex, or sexual outercourse
** ...
generation.
Species
The taxonomy of the genus ''Andricus'' is uncertain, with many of the approximately 375 species considered dubious. The following species are currently recognised in the genus ''Andricus'':
* ''
Andricus aciculatus''
Beutenmuller, 1909
* ''
Andricus ahmeti''
Melika, Mutun & Dinç, 2014
* ''
Andricus albicomus
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
Weld, 1952
* ''
Andricus albipes
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, and ...
''
Hartig, 1840
* ''
Andricus albobalani''
Weld, 1926
* ''
Andricus alniensis
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
Folliot, 1964
* ''
Andricus amblycerus
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
(Giraud, 1859)
* ''
Andricus amenti
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
Giraud, 1859
* ''
Andricus amphorus
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, and ...
''
(Weld, 1926)
* ''
Andricus analis
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
(Fonscolombe, 1832)
* ''
Andricus anatolicus
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
Melika, Mutun & Dinç, 2014
* ''
Andricus apiarium
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
(Weld, 1944)
* ''
Andricus archiboldi
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
Melika & Abrahamson, 2021
* ''
Andricus aries
''Andricus aries'' is a species of gall-forming wasps, in the genus '' Andricus''. The species was named by the French entomologist Joseph-Étienne Giraud, in 1859. It is commonly found in eastern Europe and during the 21st century has spread ...
''
(Girauld, 1859)
* ''
Andricus arslani
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
Azmaz & Katılmış, 2022
* ''
Andricus assarehi
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, and ...
''
Melika & Sadeghi, 2008
* ''
Andricus atkinsonae''
Melika, Stone, Sadeghi & Zargaran, 2008
* ''
Andricus atrimentus''
Kinsey, 1922) — striped volcano gall wasp
* ''
Andricus bakkeri
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
(Lyon, 1984)
* ''
Andricus bakrachus''
Melika, Mutun & Dinç, 2014
* ''
Andricus balanaspis''
(Weld, 1922)
* ''
Andricus balanella''
(Weld, 1957)
* ''
Andricus barriosi
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, and ...
''
Medianero & Nieves-Aldrey, 2019
* ''
Andricus biconicus''
Weld, 1959
* ''
Andricus bimaculatus
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, and ...
''
(Schenck, 1863)
* ''
Andricus brachycentrus''
(Thomson, 1877)
* ''
Andricus breviramuli''
Pujade-Villar, 2014
* ''
Andricus brunneus''
Fullaway, 1911 — clustered gall wasp
* ''
Andricus bulgaricus''
Vasileva-Symnalieva, 1978
* ''
Andricus burgundus''
Giraud, 1859
* ''
Andricus burnetti''
Dailey & Sprenger, 1983
* ''
Andricus caepula
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, and ...
''
(Weld, 1926)
* ''
Andricus caliciformis''
(Giraud, 1859)
* ''
Andricus californicum''
(Beutenmueller, 1892)
* ''
Andricus californicus''
Ashmead, 1885
* ''
Andricus callidoma''
(Hartig, 1841)
* ''
Andricus capillatus
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, and ...
''
(Weld, 1927)
* ''
Andricus caputmedusae''
(Hartig, 1843)
* ''
Andricus catalinensis''
Melika, Nicholls & Stone, 2021
* ''
Andricus catilla''
(Darboux & Houard, 1907)
* ''
Andricus cecconii
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, and ...
''
Kieffer, 1901
* ''
Andricus chapmanii''
Melika & Abrahamson, 2021
* ''
Andricus chico''
Weld, 1957
* ''
Andricus chinquapin
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, and ...
''
(Fitch, 1859) — small oak spindle gall wasp
* ''
Andricus chiricahuensis''
Melika, Nicholls & Stone, 2021
* ''
Andricus chodjaii
''Andricus'' is a genus of oak gall wasps in the family Cynipidae.
Life cycle
As in all Hymenoptera, sex-determination in species of the genus ''Andricus'' is governed by haplodiploidy: males develop from unfertilized eggs and are haploid, an ...
''
Melika, 2008
* ''
Andricus chrysolepidicola''
Ashmead, 1896 — irregular spindle gall wasp
* ''
Andricus cinnamomeus''
Ashmead, 1887
* ''
Andricus clarkei''
(Bassett, 1890)
* ''
Andricus clementinae''
(Giraud, 1859)
* ''
Andricus coconinoensis''