# Callirhytis

Callirhytis is a genus of gall wasps in the family Cynipidae. There are more than 90 described species in Callirhytis. Wasps in this genus primarily induce wasps on oak trees in North America.

## Species

The following species are recognised in the genus Callirhytis:
* Callirhytis afion Melika et al., 2020
* Callirhytis apicalis (Ashmead, 1896)
* Callirhytis aquaticae (Ashmead, 1887)
* Callirhytis attigua Weld, 1959
* Callirhytis balanacea Weld, 1928
* Callirhytis balanaspis Weld, 1922
* Callirhytis balanoides Weld, 1922
* Callirhytis balanopsis Weld, 1922
* Callirhytis balanosa Weld, 1922
* Callirhytis bipapillata Weld, 1959
* Callirhytis blastophaga (Ashmead, 1887)
* Callirhytis cameroni Medianero & Nieves-Aldrey, 2014
* Callirhytis carmelensis Weld, 1922
* Callirhytis cedros Dailey & Sprenger, 1977
* Callirhytis cedrosensis Dailey & Sprenger, 1977
* Callirhytis cistella Weld, 1952
* Callirhytis clarkei (Bassett, 1890)
* Callirhytis clavula (Osten Sacken, 1861) - White oak club gall wasp
* Callirhytis confusa (Ashmead, 1881)
* Callirhytis congregata (Ashmead, 1896) - Sausage flower gall wasp
* Callirhytis cressoni (Beutenmuller, 1913)
* Callirhytis crypta (Ashmead, 1887)
* Callirhytis eldoradensis (Beutenmuller 1913)
* Callirhytis electrea Weld, 1944
* Callirhytis ellipsoida Weld, 1921
* Callirhytis elliptica Weld, 1921
* Callirhytis elongata (Kinsey, 1922)
* Callirhytis erythrocephala (Giraud, 1859)
* Callirhytis excavata (Ashmead, 1896)
* Callirhytis exigua (Bassett, 1900)
* Callirhytis favosa (Bassett, 1890) - Honeycomb leaf gall wasp
* Callirhytis flavipes (Gillette, 1890)
* Callirhytis florensis Weld, 1944
* Callirhytis floridana (Ashmead, 1887)
* Callirhytis floripara Weld, 1959
* Callirhytis frequens (Gillette, 1890)
* Callirhytis fulva Weld, 1921
* Callirhytis furva Weld, 1952
* Callirhytis gallaestriatae Weld, 1927
* Callirhytis gemmiformis (Beutenmüller, 1917)
* Callirhytis glandium (Giraud, 1859)
* Callirhytis glandulus (Beutenmüller, 1913)
* Callirhytis glomerosa Weld, 1957
* Callirhytis hartigi Forster, 1869
* Callirhytis hopkinsi Weld, 1952
* Callirhytis infuscata (Ashmead, 1887)
* Callirhytis intersita Weld, 1957
* Callirhytis juvenca Weld, 1944
* Callirhytis lanata (Gillette, 1891)
* Callirhytis lapillula Weld, 1922
* Callirhytis lentiformis Lyon, 1984
* Callirhytis marginata Weld, 1921
* Callirhytis medularis Weld, 1959
* Callirhytis meunieri Kieffer, 1902
* Callirhytis middletoni Weld, 1959
* Callirhytis myrtifoliae (Beutenmüller, 1917)
* Callirhytis nigrae (Ashmead, 1861)
* Callirhytis ovata Weld, 1921
* Callirhytis parva Weld, 1922
* Callirhytis pedunculata (Bassett, 1890)
* Callirhytis perdens (Kinsey, 1922) - Ruptured twig gall wasp
* Callirhytis perditor (Bassett, 1900)
* Callirhytis perfoveata (Kinsey, 1922) - Ball gall wasp
* Callirhytis perobscura Weld, 1957
* Callirhytis perrugosa Weld, 1944
* Callirhytis petrina Weld, 1922
* Callirhytis pigra (Bassett, 1881)
* Callirhytis piperoides (Bassett, 1900)
* Callirhytis protobalanus Dailey & Sprenger, 1977
* Callirhytis pulchra (Bassett, 1890) - Oak flower gall wasp
* Callirhytis quercifoliae (Ashmead, 1885)
* Callirhytis quercusagrifoliae (Ashmead, 1881) - Live oak bud gall wasp
* Callirhytis quercusbatatoides (Ashmead, 1881) - Southern live oak stem gall wasp
* Callirhytis quercusclavigera (Ashmead, 1881)
* Callirhytis quercuscornigera (Osten Sacken, 1865)
* Callirhytis quercusfutilis (Osten Sacken, 1861)
* Callirhytis quercusgemmaria (Ashmead, 1885)
* Callirhytis quercusoperator (Osten Sacken, 1862) - Woolly catkin gall wasp
* Callirhytis quercuspunctata (Bassett, 1863) - Gouty oak gall wasp
* Callirhytis quercussuttoni (Ashmead, 1885) - Gouty stem gall wasp
* Callirhytis quercusventricosa Bassett, 1864
* Callirhytis quinqueseptum (Ashmead, 1885)
* Callirhytis rubida Weld, 1921
* Callirhytis rufescens (Mayr, 1882)
* Callirhytis rugulosa (Beutenmüller, 1911)
* Callirhytis scitula (Bassett, 1864)
* Callirhytis seminator Harris, 1841 - Wool sower
* Callirhytis seminosa (Bassett, 1890)
* Callirhytis serricornis (Weld, 1952) - Kernel flower gall wasp
* Callirhytis subcostata Weld, 1952
* Callirhytis tobiiro Ashmead, 1904
* Callirhytis tubicola (Osten Sacken, 1861)
* Callirhytis turnerii (Ashmead, 1887)