Delta is an Old World genus of potter wasps with species predominantly distributed through tropical Africa and Asia. Some species are present in the Palearctic region, and a few have been introduced in the Nearctic and Neotropical regions. The members of this genus have a long metasomal petiole, like members of the genera Eumenes and Zeta.
Species
The following are species of the genus Delta:
- Delta alluaudi <small>(Pérez, 1895)</small>
- Delta anomalum <small>(Zavattari, 1909)</small>
- Delta asina <small> (de Saussure, 1852)</small>
- D. a. asina <small> (de Saussure, 1852)</small>
- D. a. mixtum <small>(Giordani Soika, 1944)</small>
- Delta bicinctum <small>(de Saussure, 1852)</small>
- Delta bonellii <small>(Giordani Soika, 1944)</small>
- Delta caffra <small>(Linnaeus, 1767)</small>
- Delta campaniforme <small>(Fabricius, 1775)</small>
- D. c. assatum <small>(Giordani Soika, 1934)</small>
- D. c. campaniforme <small>(Fabricius, 1775)</small>
- D. c. chloroticum <small>Giordani Soika, 1979</small>
- D. c. pseudodyscherum <small>(Bequaert, 1925)</small>
- D. c. pseudopulcherrimum <small>Giordani Soika, 1968</small>
- D. c. rhodesiense <small>Bequaert, 1926</small>
- D. c. tessmanni <small>von Schulthess Rechberg, 1910</small>
- Delta concinnum <small>(de Saussure, 1855)</small>
- Delta conoideum <small>(Gmelin, 1790)</small>
- Delta dimidiatipenne <small>(Saussure, 1852)</small>
- Delta emarginatum <small>(Linnaeus, 1758)</small>
- Delta esuriens <small>(Fabricius, 1787)</small>
- Delta esuriens esuriens <small>(Fabricius, 1787)</small>
- Delta esuriens gracile <small>(Saussure, 1852)</small>
- Delta fenestrale <small>(Saussure, 1852)</small>
- Delta guerini <small>(de Saussure, 1852)</small>
- Delta higletti <small>(Meade-Waldo, 1910)</small>
- D. h. higletti <small>(Meade-Waldo, 1910)</small>
- D. h. rendalli <small>(Bingham, 1902)</small>
- Delta hottentotta <small>(de Saussure, 1852)</small>
- D. h. berlandi <small>(Giordani Soika, 1934)</small>
- D. h. hottentottum <small>(de Saussure, 1852)</small>
- D. h. nigriventre <small>Giordani Soika, 1989</small>
- D. h. tibesticum <small>(Giordani Soika, 19854)</small>
- D. h. unicoloripenne <small>Giordani Soika, 1989</small>
- Delta inexpectatum <small>Giordani Soika, 1982</small>
- Delta insulare <small>(Smith, 1857)</small>
- Delta latreillei <small>(de Saussure, 1852)</small>
- Delta lene <small>(Bingham, 1897)</small>
- Delta lepeleterii <small>(de Saussure, 1852)</small>
- D. l. formosum <small>(de Saussure, 1852)</small>
- D. l. lepeleterii <small>(de Saussure, 1852)</small>
- D. l. meruense <small>(Cameron, 1910)</small>
- D. l. pilosellum <small>Giordani Soika, 1982</small>
- Delta magnum <small>van der Vecht, 1981</small>
- Delta nigriculum <small>Giordani Soika 1986</small>
- Delta nigritarse <small>(Meade-Waldo, 1910)</small>
- Delta occidentale <small>Giordani Soika, 1975</small>
- Delta paraconicum <small>Giordani Soika, 1972</small>
- Delta philantes <small>(de Saussure, 1852)</small>
- Delta phthisicum <small>(Gerstäcker, 1857)</small>
- Delta pseudodimidiatipenne <small>(Giordani Soika, 1944)</small>
- Delta pulcherrimum <small>(von Schulthess Rechberg, 1910)</small>
- D. p. nigrithorax <small>Giordani Soika, 1982</small>
- D. p. pulcherrimum <small>(von Schulthess Rechberg, 1910)</small>
- Delta pyriforme <small>(Fabricius, 1775)</small>
- D. p. circinale <small>(Fabricius, 1804)</small>
- D. p. nigrocinctum <small>Giordani Soika, 1993</small>
- D. p. philippinense <small>(Bequaert, 1928)</small>
- D. p. pyriforme <small>(Fabricius, 1775)</small>
- Delta regina <small>(de Saussure, 1852)</small>
- Delta sakalavus <small>(de Saussure, 1900)</small>
- Delta sciarum <small>(van der Vecht, 1959)</small>
- Delta subfenestrale <small>(Giordani Soika, 1939)</small>
- Delta tropicale <small>(de Saussure, 1852)</small>
- Delta unguiculatum <small>(Villers, 1789)</small>
- Delta versicolor <small>van der Vecht, 1981</small>
- Delta viatrix <small>(Nurse, 1903)</small>
- Delta xanthura <small>(de Saussure, 1852)</small>
References