| Tachysphex aborigenus Pulawski, 1977 | |
| Tachysphex aburi Pulawski, 2007 | Crescent milkvetch |
| Tachysphex acanthophorus Pulawski, 1982 | |
| Tachysphex actites Pulawski, 1994 | Crescent milkvetch |
| Tachysphex acutemarginatus Strand, 1910 | |
| Tachysphex acutus Patton, 1881 | Crescent milkvetch |
| Tachysphex adjunctus Kohl, 1885 | |
| Tachysphex advenus Pulawski, 1974 | |
| Tachysphex aemulus Kohl, 1906 | |
| Tachysphex aequalis Fox, 1894 | |
| Tachysphex aethiopicus Arnold, 1923 | |
| Tachysphex aethiops Cresson, 1865 | |
| Tachysphex agilis Smith, 1856 | |
| Tachysphex agnus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex alayoi Pulawski, 1974 | |
| Tachysphex albocinctus Lucas, 1849 | |
| Tachysphex alpestris Rohwer, 1908 | |
| Tachysphex ambiguus Arnold, 1923 | |
| Tachysphex ambositrae Leclercq, 1967 | Scarlet begonia |
| Tachysphex ampijoroa Pulawski, 2007 | Crescent milkvetch |
| Tachysphex amplus Fox, 1894 | |
| Tachysphex anceps Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex angelicus Pulawski, 1988 | |
| Tachysphex angustatus Pulawski, 1967 | |
| Tachysphex angustus Arnold, 1924 | |
| Tachysphex antennatus Fox, 1894 | |
| Tachysphex anthracinus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex antillarum Pulawski, 1974 | |
| Tachysphex anubis Pulawski, 1964 | |
| Tachysphex apakaensis | |
| Tachysphex apakensis Tsuneki, 1971 | |
| Tachysphex apicalis Fox, 1893 | Crabronid wasp |
| Tachysphex apoctenus Pulawski, 1974 | |
| Tachysphex apricus Pulawski, 1982 | |
| Tachysphex araucanus Pulawski, 1974 | |
| Tachysphex argentatus (Gussakovskij, 1952) | ⇒ Tachysphex erythrophorus Dalla Torre, 1897 |
| Tachysphex argenticeps Arnold, 1959 | Cracking pearly mussel |
| Tachysphex argentifrons (Arnold, 1924) | ⇒ Tachysphex melanius Pulawski, 2007 |
| Tachysphex arizonac Pulawski, 1982 | |
| Tachysphex armatus Pulawski, 1982 | |
| Tachysphex ashmeadi | |
| Tachysphex ashmeadii Fox, 1894 | |
| Tachysphex asinus Arnold, 1923 | |
| Tachysphex asmara Pulawski, 2007 | Crescent milkvetch |
| Tachysphex aterrimus Arnold, 1924 | |
| Tachysphex atlanteus de Beaumont, 1955 | |
| Tachysphex atratus Lepeletier d..., 1845 | |
| Tachysphex aureopilosus Tsuneki, 1972 | |
| Tachysphex aureorufoniger Pulawski, 2007 | Crescent milkvetch |
| Tachysphex auriceps (Cameron, 1889) | ⇒ Tachysphex panzeri Van der Linden, 1829 |
| Tachysphex auropilosus Turner, 1917 | |
| Tachysphex austriacus (Kohl, 1892) | ⇒ Tachysphex pompiliformis Panzer, 1805 |
| Tachysphex bara Pulawski, 2007 | Crescent milkvetch |
| Tachysphex barkeri Arnold, 1923 | |
| Tachysphex beaumonti Pulawski, 1971 | Aladdin's slippers |
| Tachysphex beidzimiao Tsuneki, 1971 | |
| Tachysphex beidzmiao | |
| Tachysphex belfragei Cresson, 1872 | |
| Tachysphex bemba Pulawski, 2007 | Crescent milkvetch |
| Tachysphex bengalensis (Cameron, 1889) | ⇒ Tachysphex nigricolor Dalla Torre, 1897 |
| Tachysphex bipustulosus Arnold, 1923 | |
| Tachysphex bituberculatus (Cameron, 1905) | ⇒ Tachysphex morosus Smith, 1858 |
| Tachysphex blattivorus Gussakovskij, 1952 | |
| Tachysphex bohartorum Pulawski, 1982 | |
| Tachysphex bostryx Pulawski, 2007 | Crescent milkvetch |
| Tachysphex bouceki Straka, 2005 | Silverleaf milkvetch |
| Tachysphex brachypus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex brasilianus Pulawski, 1974 | |
| Tachysphex braunsi Arnold, 1923 | |
| Tachysphex breviceps Pulawski, 1974 | |
| Tachysphex brevicornis Pulawski, 1977 | |
| Tachysphex brevipecten de Beaumont, 1955 | |
| Tachysphex brevipennis Mercet, 1909 | Silverleaf milkvetch |
| Tachysphex brevipes Pulawski, 1971 | Aladdin's slippers |
| Tachysphex brinckerae Turner, 1917 | |
| Tachysphex brullii F. Smith, 1833 | Eastern treehole mosquito |
| Tachysphex brullii brullii F Smith, 1856 | |
| Tachysphex brullii galileus de Beaumont, 1947 | |
| Tachysphex bruneiceps Arnold, 1923 | |
| Tachysphex buccalis Pulawski, 1977 | |
| Tachysphex buyssoni (Morice, 1897) | ⇒ Tachysphex costae De Stefani, 1882 |
| Tachysphex caliban Arnold, 1923 | |
| Tachysphex calidus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex camptopygus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex capensis de Saussure, 1867 | |
| Tachysphex carinatus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex carli Beaumont, 1947 | Eastern treehole mosquito |
| Tachysphex cavatus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex changi Tsuneki, 1967 | |
| Tachysphex changi changi Tsuneki, 1967 | |
| Tachysphex changi luzonicus Tsuneki, 1983 | |
| Tachysphex cheops de Beaumont, 1940 | |
| Tachysphex chephren de Beaumont, 1940 | |
| Tachysphex chiastotrichus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex circulans Pulawski, 1977 | |
| Tachysphex clarconis Viereck, 1906 | |
| Tachysphex claripes Arnold, 1924 | |
| Tachysphex clypeatus Arnold, 1947 | |
| Tachysphex clypedentalis T. Li, Li, &..., 2008 | |
| Tachysphex cockerellae Rohwer, 1914 | |
| Tachysphex cocopa Pulawski, 1988 | |
| Tachysphex conceptus Pulawski, 1974 | |
| Tachysphex conclusus Nurse, 1903 | |
| Tachysphex confrater Pulawski, 1971 | Aladdin's slippers |
| Tachysphex congoensis Arnold, 1924 | |
| Tachysphex consocius Kohl, 1892 | |
| Tachysphex contrarius Pulawski, 1977 | |
| Tachysphex coquilletti Rohwer, 1911 | |
| Tachysphex coriaceus A. Costa, 1867 | |
| Tachysphex costae De Stefani, 1882 | Mourning milkvetch |
| Tachysphex costae canariensis Beaumont, 1968 | |
| Tachysphex costai De-Stefani, 1882 | |
| Tachysphex coxalis Pulawski, 2007 | Crescent milkvetch |
| Tachysphex crassiformis Viereck, 1906 | |
| Tachysphex crassipes Arnold, 1923 | |
| Tachysphex crenulatus Fox, 1894 | |
| Tachysphex crinitus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex crocodilius | |
| Tachysphex crocodilus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex ctenophorus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex cubanus Pulawski, 1974 | |
| Tachysphex curvipes Pulawski, 2007 | Crescent milkvetch |
| Tachysphex debilis (Turner, 1908) | ⇒ Tachytes argyreus F. Smith, 1856 |
| Tachysphex denisi (Beaumont, 1936) | ⇒ Tachysphex adjunctus Kohl, 1885 |
| Tachysphex depressiventris Turner, 1916 | |
| Tachysphex descendentis Mercet, 1909 | Silverleaf milkvetch |
| Tachysphex deserticola de Beaumont, 1940 | |
| Tachysphex desertorum F. Morawitz, 1894 | |
| Tachysphex detritus Arnold, 1924 | |
| Tachysphex diabolicus (Arnold, 1923) | ⇒ Tachysphex barkeri Arnold, 1923 |
| Tachysphex diadelus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex dignus Kohl, 1889 | |
| Tachysphex dimidiatus Panzer, 1809 | |
| Tachysphex discrepans Turner, 1915 | |
| Tachysphex dissimulatus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex diversilabris Arnold, 1960 | |
| Tachysphex dolosus Arnold, 1923 | |
| Tachysphex dominicanus Pulawski, 1988 | |
| Tachysphex drymobius Pulawski, 1994 | Crescent milkvetch |
| Tachysphex dzinghis Tsuneki, 1972 | |
| Tachysphex ebeninus Arnold, 1929 | |
| Tachysphex egregius Arnold, 1924 | |
| Tachysphex eldoradensis Rohwer, 1917 | Handsome fungus beetle |
| Tachysphex erectus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex erythrophorus Dalla Torre, 1897 | |
| Tachysphex erythropus Spinola, 1839 | |
| Tachysphex erythrurus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex eucalypticus Pulawski, 1977 | |
| Tachysphex eucharistus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex eurystoma Pulawski, 2007 | Crescent milkvetch |
| Tachysphex euxinus Pulawski, 1958 | |
| Tachysphex excavatus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex excelsus R. Turner, 1917 | |
| Tachysphex excisus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex eximius Pulawski, 1971 | Aladdin's slippers |
| Tachysphex fanuiensis Cheesman, 1928 | |
| Tachysphex fanuiensis corallinus Pulawski, 1977 | |
| Tachysphex fanuiensis fanuiensis Cheesman, 1928 | |
| Tachysphex fanuiensis howeanus Pulawski, 1977 | |
| Tachysphex fasciatus (Morice, 1897) | ⇒ Tachysphex speciosissimus Morice, 1897 |
| Tachysphex ferrugineus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex flavofimbriatus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex foliaceus Pulawski, 1977 | |
| Tachysphex formosanus Tsuneki, 1971 | |
| Tachysphex fortior Turner, 1908 | |
| Tachysphex frigidus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex fugax Radoszkowski, 1877 | |
| Tachysphex fulgidus Arnold, 1924 | |
| Tachysphex fulviantennatus Tsuneki, 1976 | |
| Tachysphex fulvicornis (R. Turner, 1918) | ⇒ Tachysphex fulviantennatus Tsuneki, 1976 |
| Tachysphex fulvitarsis (Costa, 1867) | ⇒ Tachysphex pompiliformis Panzer, 1805 |
| Tachysphex fulvitarsis erythrogaster A. Costa, 1882 | |
| Tachysphex fulvitarsis fulvitarsis A. Costa, 1867 | |
| Tachysphex fuscispina Pulawski, 1971 | Aladdin's slippers |
| Tachysphex gagates Arnold, 1940 | |
| Tachysphex galapagensis Rohwer, 1924 | |
| Tachysphex galeatus Pulawski, 1977 | |
| Tachysphex gastrotrichus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex gegen Tsuneki, 1971 | |
| Tachysphex geniculatus Spinola, 1839 | |
| Tachysphex georgii Arnold, 1940 | |
| Tachysphex gessianus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex glaber Kohl, 1906 | |
| Tachysphex glabrior Williams, 1914 | |
| Tachysphex gracilicornis Mercet, 1909 | Silverleaf milkvetch |
| Tachysphex gracilitarsis Morice, 1910 | |
| Tachysphex graecus Kohl, 1883 | |
| Tachysphex grandii Beaumont, 1965 | |
| Tachysphex grandissimus (Gussakovskij, 1933) | ⇒ Tachysphex sordidus Dahlbom, 1845 |
| Tachysphex gryllivorus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex gujaraticus Nurse, 1909 | |
| Tachysphex gussakovskii Pulawski, 1971 | Aladdin's slippers |
| Tachysphex hadronyx Pulawski, 2007 | Crescent milkvetch |
| Tachysphex haematopus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex halictiformis (Arnold, 1945) | ⇒ Tachysphex saturnus Arnold, 1924 |
| Tachysphex harpax Arnold, 1923 | |
| Tachysphex helveticus Kohl, 1885 | Aladdin's slippers |
| Tachysphex helveticus aegyptiacus Morice, 1897 | |
| Tachysphex helveticus helveticus Kohl, 1885 | |
| Tachysphex helveticus quadrifasciatus Pulawski, 1971 | |
| Tachysphex hermia Arnold, 1924 | |
| Tachysphex hippolyta Arnold, 1924 | |
| Tachysphex hopi Pulawski, 1988 | |
| Tachysphex horus (de Beaumont, 1940) | ⇒ Tachysphex luxuriosus Morice, 1897 |
| Tachysphex hostilis Kohl, 1901 | |
| Tachysphex huchiti Pulawski, 1988 | |
| Tachysphex humilis Straka, 2005 | Silverleaf milkvetch |
| Tachysphex hurdi Bohart, 1962 | |
| Tachysphex hypoleius Smith, 1856 | |
| Tachysphex iaphetes Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ibi Pulawski, 2007 | Crescent milkvetch |
| Tachysphex idiotrichus Pulawski, 1982 | |
| Tachysphex idzekii Tsuneki, 1971 | |
| Tachysphex imbellis Turner, 1908 | |
| Tachysphex incanus de Beaumont, 1940 | |
| Tachysphex incertus Radoszkowski, 1877 | |
| Tachysphex incertus incertus Radoszkowski, 1877 | |
| Tachysphex incertus rufiventralis (Ferton, 1905) | ⇒ Tachysphex incertus Radoszkowski, 1877 |
| Tachysphex inconspicuus W. F. Kirby, 1890 | |
| Tachysphex indicus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex inextricabilis Pulawski, 1971 | Aladdin's slippers |
| Tachysphex instructus Nurse, 1909 | |
| Tachysphex insulsus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex iridipennis Smith, 1873 | |
| Tachysphex irregularis Pulawski, 1982 | |
| Tachysphex isis de Beaumont, 1940 | |
| Tachysphex jokischianus Panzer, 1809 | |
| Tachysphex jujuyensis Brèthes, 1913 | |
| Tachysphex julliani (Kohl, 1883) | ⇒ Tachysphex mauretanus Pulawski, 1971 |
| Tachysphex kalaharicus Arnold, 1924 | |
| Tachysphex karasi Straka, 2005 | Silverleaf milkvetch |
| Tachysphex karoo Pulawski, 2007 | Crescent milkvetch |
| Tachysphex kaszabi Tsuneki, 1972 | |
| Tachysphex khoikhoi Pulawski, 2007 | Crescent milkvetch |
| Tachysphex kodairai Tsuneki, 1971 | |
| Tachysphex krombeini Kurczewski, 1971 | |
| Tachysphex krombeiniellus Pulawski, 1982 | |
| Tachysphex lacertosus Arnold, 1944 | |
| Tachysphex laevifrons (Smith, 1856) | ⇒ Tachysphex acutus Patton, 1881 |
| Tachysphex lagunaensis Tsuneki, 1983 | |
| Tachysphex lagunensis | |
| Tachysphex laidli | |
| Tachysphex lamellatus Pulawski, 1982 | |
| Tachysphex laticauda Gussakovskij, 1933 | |
| Tachysphex latifrons Kohl, 1884 | |
| Tachysphex lativalvis S.Saunders, 1910 | |
| Tachysphex limatus Arnold, 1924 | |
| Tachysphex lindbergi Beaumont, 1956 | |
| Tachysphex linsleyi Bohart, 1962 | |
| Tachysphex liriformis Pulawski, 1967 | |
| Tachysphex longipalpis de Beaumont, 1940 | Aladdin's slippers |
| Tachysphex longipalpis longipalpis de Beaumont, 1940 | |
| Tachysphex longipalpis simplex Pulawski, 1971 | |
| Tachysphex longipes Pulawski, 2007 | Crescent milkvetch |
| Tachysphex lucillus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex luctuosus Arnold, 1924 | |
| Tachysphex luxuriosus Morice, 1897 | |
| Tachysphex mackayensis Turner, 1908 | |
| Tachysphex maculipennis Pulawski, 1977 | |
| Tachysphex magnaemontis Hensen, 1987 | |
| Tachysphex malkovskii Pulawski, 1971 | Aladdin's slippers |
| Tachysphex marshalli Turner, 1917 | |
| Tachysphex mashona Arnold, 1929 | |
| Tachysphex mauretanus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex maurus Rohwer, 1911 | |
| Tachysphex maximus Pulawski, 1977 | |
| Tachysphex maya Pulawski, 1988 | |
| Tachysphex mediterraneus Kohl, 1883 | |
| Tachysphex melanius Pulawski, 2007 | Crescent milkvetch |
| Tachysphex melas Pulawski, 2007 | Crescent milkvetch |
| Tachysphex melas eatoni E. Saunders, 1910 | |
| Tachysphex melas melas Kohl, 1898 | |
| Tachysphex mendozanus Brèthes, 1913 | |
| Tachysphex menkei Pulawski, 1982 | |
| Tachysphex merina Pulawski, 2007 | Crescent milkvetch |
| Tachysphex mesembrius Pulawski, 2007 | Crescent milkvetch |
| Tachysphex micans Radoszkowski, 1877 | |
| Tachysphex miniatulus Arnold, 1924 | |
| Tachysphex minutus (Nurse, 1909) | ⇒ Tachysphex brevipennis Mercet, 1909 |
| Tachysphex mirandus Pulawski, 1982 | |
| Tachysphex miwok Pulawski, 1988 | |
| Tachysphex mkomazi Pulawski, 2007 | Crescent milkvetch |
| Tachysphex mochii Beaumont, 1947 | |
| Tachysphex mocsaryi Kohl, 1884 | |
| Tachysphex moczari Tsuneki, 1972 | |
| Tachysphex moczaryi Kohl, 1884 | |
| Tachysphex modestus Arnold, 1924 | |
| Tachysphex montanus (Cresson, 1865) | ⇒ Tachysphex brullii F. Smith, 1833 |
| Tachysphex montivagus Arnold, 1944 | |
| Tachysphex morawitzi Pulawski, 1971 | Aladdin's slippers |
| Tachysphex morosus Smith, 1858 | Cicadakiller |
| Tachysphex morosus morosus F Smith, 1858 | |
| Tachysphex morosus titidzimaensis Tsuneki, 1984 | |
| Tachysphex multifasciatus Pulawski, 1976 | |
| Tachysphex mundus Fox, 1894 | |
| Tachysphex musciventris Pulawski, 1982 | |
| Tachysphex mycerinus de Beaumont, 1940 | |
| Tachysphex mzingeli Pulawski, 2007 | Crescent milkvetch |
| Tachysphex namaqua Pulawski, 2007 | Crescent milkvetch |
| Tachysphex nanus | |
| Tachysphex naranhun Tsuneki, 1971 | |
| Tachysphex nasalis F. Morawitz, 1893 | |
| Tachysphex nefarius Pulawski, 1977 | |
| Tachysphex nigerrimus Smith, 1856 | Black cockroach hunter |
| Tachysphex nigricolor Dalla Torre, 1897 | |
| Tachysphex nigricolor lanhsuensis Tsuneki, 1977 | |
| Tachysphex nigricolor nigricolor Dalla Torre, 1897 | |
| Tachysphex nigricolor yaeyamanus Tsuneki, 1971 | |
| Tachysphex nigripennis Spinola, 1808 | |
| Tachysphex niloticus Pulawski, 1964 | |
| Tachysphex nitidior Beaumont, 1940 | |
| Tachysphex nitidissimus Beaumont, 1952 | |
| Tachysphex nitidus (Spinola, 1805) | ⇒ Tachysphex unicolor Panzer, 1806 |
| Tachysphex noar Pulawski, 1994 | Crescent milkvetch |
| Tachysphex nonakai Tsuneki, 1971 | |
| Tachysphex notogoniaeformis Nadig, 1933 | Aboriginal milkvetch |
| Tachysphex novarae Saussure, 1867 | |
| Tachysphex oasicola Pulawski, 1988 | |
| Tachysphex oberon Arnold, 1923 | |
| Tachysphex obscuripennis Schenck, 1857 | |
| Tachysphex obscuripennis gibbus Kohl, 1885 | |
| Tachysphex obscuripennis obscuripennis Schenck, 1857 | |
| Tachysphex obscurus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex occidentalis Pulawski, 1982 | |
| Tachysphex octodentatus Arnold, 1924 | |
| Tachysphex omoi Guiglia, 1943 | |
| Tachysphex onager Pulawski, 2007 | Crescent milkvetch |
| Tachysphex opacus F. Morawitz, 1893 | |
| Tachysphex opata Pulawski, 1988 | |
| Tachysphex orestes Pulawski, 1988 | |
| Tachysphex osiris de Beaumont, 1940 | |
| Tachysphex ovambo Pulawski, 2007 | Crescent milkvetch |
| Tachysphex oxychelus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex pacificus Turner, 1908 | |
| Tachysphex paiute Pulawski, 1988 | |
| Tachysphex palopterus Dahlbom, 1845 | |
| Tachysphex panzeri Van der Linden, 1829 | |
| Tachysphex panzeri panzeri | |
| Tachysphex panzeri rufiventris (Spinola, 1838) | ⇒ Tachysphex panzeri Van der Linden, 1829 |
| Tachysphex papago Pulawski, 1982 | |
| Tachysphex paucispina Pulawski, 1977 | |
| Tachysphex paulus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex pauxillus Fox, 1894 | |
| Tachysphex pechumani Krombein, 1938 | Antennal-waving Wasp |
| Tachysphex pectinatus Pulawski, 1974 | |
| Tachysphex pectinipes (Linnaeus, 1758) | ⇒ Tachysphex pompiliformis Panzer, 1805 |
| Tachysphex pekingensis Tsuneki, 1971 | |
| Tachysphex pentheri Cameron, 1905 | |
| Tachysphex perniger Arnold, 1947 | |
| Tachysphex persa Gussakovskij, 1933 | |
| Tachysphex persa catharinae Pulawski, 1964 | |
| Tachysphex persa confinis Gussakovskij, 1952 | |
| Tachysphex persa nigripes Pulawski, 1967 | |
| Tachysphex persa persa Gussakovskij, 1933 | |
| Tachysphex persistans Turner, 1916 | |
| Tachysphex peruanus Pulawski, 1986 | |
| Tachysphex picnic van Ooijen, 1987 | Twogrooved milkvetch |
| Tachysphex pilosellus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex pilosulus Turner, 1908 | |
| Tachysphex pinal Pulawski, 1988 | |
| Tachysphex pisonoides Reed, 1894 | |
| Tachysphex pisonopsis Pulawski, 1974 | |
| Tachysphex platypus Pulawski, 1977 | |
| Tachysphex platystethus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex pleuralis Pulawski, 1977 | |
| Tachysphex plicosus A. Costa, 1867 | |
| Tachysphex politus Pulawski, 1977 | |
| Tachysphex pompiliformis Panzer, 1805 | |
| Tachysphex powelli Bohart, 1962 | |
| Tachysphex priesneri de Beaumont, 1940 | |
| Tachysphex prismaticus Straka, 2005 | Silverleaf milkvetch |
| Tachysphex prosopigastroides (Bischoff, 1913) | ⇒ Holotachysphex prosopigastroides Gussakovskij, 1952 |
| Tachysphex proteus Pulawski, 1977 | |
| Tachysphex psammobius Kohl, 1880 | |
| Tachysphex pseudofasciatus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex pseudofasiatus | |
| Tachysphex pseudopanzeri Beaumont, 1955 | |
| Tachysphex psilocerus Kohl, 1884 | |
| Tachysphex psilonotus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ptah Pulawski, 1964 | |
| Tachysphex pubescens Pulawski, 1977 | |
| Tachysphex pugnator Turner, 1908 | |
| Tachysphex pulcher Pulawski, 1967 | |
| Tachysphex punctatiformis Arnold, 1923 | |
| Tachysphex punctatus Smith, 1856 | |
| Tachysphex puncticeps (Cameron, 1903) | ⇒ Tachysphex semirufus Cresson, 1865 |
| Tachysphex punctifrons Fox, 1891 | |
| Tachysphex punctiger Pulawski, 2007 | Crescent milkvetch |
| Tachysphex punctipes Pulawski, 1967 | |
| Tachysphex punctipleuris Straka, 2016 | |
| Tachysphex pusulosus de Beaumont, 1955 | |
| Tachysphex quadricolor Gerstaecker, 1858 | |
| Tachysphex quisqueyus Pulawski, 1988 | |
| Tachysphex radiatus Gussakovskij, 1952 | |
| Tachysphex radoszkowskyi F. Morawitz, 1893 | |
| Tachysphex ramses Pulawski, 1971 | Aladdin's slippers |
| Tachysphex rapax Pulawski, 2007 | Crescent milkvetch |
| Tachysphex reedi Menke, 1974 | |
| Tachysphex remotus Pulawski, 1974 | |
| Tachysphex rhacodes Pulawski, 2007 | Crescent milkvetch |
| Tachysphex rhodesianus Bischoff, 1913 | |
| Tachysphex rhynchocephalus Pulawski, 1977 | |
| Tachysphex robustior Williams, 1914 | |
| Tachysphex rotundus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ruber Pulawski, 2007 | Crescent milkvetch |
| Tachysphex rubicundus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex ruficaudis Taschenberg, 1870 | |
| Tachysphex rufitarsis (Spinola, 1851) | ⇒ Tachysphex conceptus Pulawski, 1974 |
| Tachysphex rufopictus Arnold, 1929 | |
| Tachysphex rugicauda Pulawski, 1994 | Crescent milkvetch |
| Tachysphex rugosipleuris Pulawski, 2007 | Crescent milkvetch |
| Tachysphex sabulosus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex saevus Arnold, 1924 | |
| Tachysphex sahelensis Pulawski, 2007 | Crescent milkvetch |
| Tachysphex samburu Pulawski, 2007 | Crescent milkvetch |
| Tachysphex saturnus Arnold, 1924 | |
| Tachysphex saundersi Mercet, 1909 | Silverleaf milkvetch |
| Tachysphex scaber Pulawski, 2007 | Crescent milkvetch |
| Tachysphex scaurus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex schmiedeknechti Kohl, 1883 | |
| Tachysphex schoenlandi Cameron, 1905 | |
| Tachysphex schwarzi Pulawski, 1967 | |
| Tachysphex scopa Pulawski, 2007 | Crescent milkvetch |
| Tachysphex scopaeus Pulawski, 1988 | |
| Tachysphex semirufa Cresson, 1865 | |
| Tachysphex semirufus Cresson, 1865 | |
| Tachysphex sericans Gussakovskij, 1952 | Aladdin's slippers |
| Tachysphex sericans gracilis Pulawski, 1971 | |
| Tachysphex sericans sericans Gussakovskij, 1952 | |
| Tachysphex sericeus F. Smith, 1856 | |
| Tachysphex sexinus Leclercq, 1961 | |
| Tachysphex seyrigi Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex siitanus Tsuneki, 1971 | |
| Tachysphex silvestris Pulawski, 2007 | Crescent milkvetch |
| Tachysphex similis Rohwer, 1910 | Rogue River milkvetch |
| Tachysphex socotrae Pulawski, 2007 | Crescent milkvetch |
| Tachysphex solaris Pulawski, 1982 | |
| Tachysphex sonorensis Cameron, 1889 | |
| Tachysphex sordidus Dahlbom, 1845 | |
| Tachysphex spatulifer Pulawski, 1982 | |
| Tachysphex speciosissimus Morice, 1897 | |
| Tachysphex specodoides | |
| Tachysphex spectrum Pulawski, 2007 | Crescent milkvetch |
| Tachysphex spinosus W.Fox, 1894 | |
| Tachysphex spinulosus Pulawski, 1975 | |
| Tachysphex splendidulus F. Morawitz, 1893 | |
| Tachysphex spretus Kohl, 1901 | |
| Tachysphex sri Pulawski, 1994 | Crescent milkvetch |
| Tachysphex stachi de Beaumont, 1936 | Mourning milkvetch |
| Tachysphex stevensoni Arnold, 1924 | |
| Tachysphex stimulator Turner, 1916 | |
| Tachysphex stysi Straka, 2008 | |
| Tachysphex suavis Arnold, 1929 | |
| Tachysphex subandinus Pulawski, 1974 | |
| Tachysphex subcoriaceus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex subdentatus F. Morawitz, 1893 | |
| Tachysphex subfimbriatus Arnold, 1924 | |
| Tachysphex subopacus Turner, 1910 | |
| Tachysphex sulcatus Pulawski, 1988 | |
| Tachysphex sulcidorsum de Beaumont, 1950 | |
| Tachysphex svetlanae Pulawski, 1971 | Aladdin's slippers |
| Tachysphex sycorax Arnold, 1923 | |
| Tachysphex sympleuron Pulawski, 1994 | Crescent milkvetch |
| Tachysphex tahoe Pulawski, 1988 | |
| Tachysphex taita Pulawski, 2007 | Crescent milkvetch |
| Tachysphex tanqua Pulawski, 2007 | Crescent milkvetch |
| Tachysphex tarsatus Say, 1823 | |
| Tachysphex tarsinus Lepeletier, 1845 | |
| Tachysphex tembe Pulawski, 2007 | Crescent milkvetch |
| Tachysphex tenuicornis Bischoff, 1913 | |
| Tachysphex tenuipunctus (W. Fox, 1894) | ⇒ Tachysphex pompiliformis Panzer, 1805 |
| Tachysphex tenuis Turner, 1908 | |
| Tachysphex tenuisculptus Pulawski, 1977 | |
| Tachysphex terminatus (Smith, 1856) | ⇒ Tachysphex similis Rohwer, 1910 |
| Tachysphex tessellatus Dahlbom, 1845 | |
| Tachysphex testaceipes Bingham, 1897 | |
| Tachysphex texanus Cresson, 1873 | |
| Tachysphex theseus Arnold, 1951 | |
| Tachysphex thysanomerus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex tipai Pulawski, 1988 | |
| Tachysphex titania Arnold, 1923 | |
| Tachysphex toltec Pulawski, 1988 | |
| Tachysphex truncatifrons Turner, 1908 | |
| Tachysphex tryssus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex tsil Pulawski, 1988 | Crescent milkvetch |
| Tachysphex ulonyovu Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ulothrix Pulawski, 2007 | Crescent milkvetch |
| Tachysphex undatus F. Smith, 1856 | |
| Tachysphex unicolor Panzer, 1806 | |
| Tachysphex unicolor simonyi Kohl, 1892 | |
| Tachysphex unicolor unicolor Panzer, 1806 | |
| Tachysphex uniguiculatus | |
| Tachysphex usakos Pulawski, 2007 | Crescent milkvetch |
| Tachysphex utina Pulawski, 1988 | |
| Tachysphex vanrhynsi Arnold, 1940 | |
| Tachysphex vardyi Pulawski, 1977 | |
| Tachysphex venator Arnold, 1960 | |
| Tachysphex verticalis Pulawski, 1982 | |
| Tachysphex vestitus (Kohl, 1892) | ⇒ Tachysphex micans Radoszkowski, 1877 |
| Tachysphex vitiensis F. Williams, 1928 | |
| Tachysphex vividus Pulawski, 1977 | |
| Tachysphex vulneratus R. Turner, 1917 | |
| Tachysphex walkeri Turner, 1908 | |
| Tachysphex waltoni Arnold, 1940 | |
| Tachysphex williamsi Bohart, 1962 | |
| Tachysphex xanthoptesimus Pulawski, 1994 | Crescent milkvetch |
| Tachysphex yarrowi de Beaumont, 1960 | |
| Tachysphex yolo Pulawski, 1982 | |
| Tachysphex yuma Pulawski, 1982 | |
| Tachysphex zambius Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ziziphi Pulawski, 2007 | Crescent milkvetch |
