| Tachysphex aburi Pulawski, 2007 | Crescent milkvetch |
| Tachysphex adjunctus Kohl, 1885 | |
| Tachysphex aemulus Kohl, 1906 | |
| Tachysphex aethiopicus Arnold, 1923 | |
| Tachysphex aethiops Cresson, 1865 | |
| Tachysphex agilis Smith, 1856 | |
| Tachysphex agnus Pulawski, 1971 | Aladdin's slippers |
| 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 anceps Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex angustatus Pulawski, 1967 | |
| Tachysphex angustus Arnold, 1924 | |
| Tachysphex anubis Pulawski, 1964 | |
| 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 asinus Arnold, 1923 | |
| Tachysphex asmara Pulawski, 2007 | Crescent milkvetch |
| Tachysphex aterrimus Arnold, 1924 | |
| Tachysphex atlanteus de Beaumont, 1955 | |
| Tachysphex aureorufoniger Pulawski, 2007 | Crescent milkvetch |
| Tachysphex auropilosus Turner, 1917 | |
| Tachysphex bara Pulawski, 2007 | Crescent milkvetch |
| Tachysphex barkeri Arnold, 1923 | |
| Tachysphex bemba Pulawski, 2007 | Crescent milkvetch |
| Tachysphex bipustulosus Arnold, 1923 | |
| Tachysphex bostryx Pulawski, 2007 | Crescent milkvetch |
| Tachysphex brachypus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex braunsi Arnold, 1923 | |
| Tachysphex brevipecten de Beaumont, 1955 | |
| Tachysphex brevipennis Mercet, 1909 | Silverleaf milkvetch |
| Tachysphex brinckerae Turner, 1917 | |
| Tachysphex bruneiceps Arnold, 1923 | |
| 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 cheops de Beaumont, 1940 | |
| Tachysphex chephren de Beaumont, 1940 | |
| Tachysphex claripes Arnold, 1924 | |
| Tachysphex clypeatus Arnold, 1947 | |
| Tachysphex conceptus Pulawski, 1974 | |
| Tachysphex congoensis Arnold, 1924 | |
| Tachysphex consocius Kohl, 1892 | |
| Tachysphex costae De Stefani, 1882 | Mourning milkvetch |
| Tachysphex costai De-Stefani, 1882 | |
| Tachysphex coxalis Pulawski, 2007 | Crescent milkvetch |
| Tachysphex crassipes Arnold, 1923 | |
| Tachysphex crocodilus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex curvipes Pulawski, 2007 | Crescent milkvetch |
| Tachysphex debilis (Turner, 1908) | ⇒ Tachytes argyreus F. Smith, 1856 |
| Tachysphex denisi (Beaumont, 1936) | ⇒ Tachysphex adjunctus Kohl, 1885 |
| Tachysphex deserticola de Beaumont, 1940 | |
| Tachysphex detritus Arnold, 1924 | |
| Tachysphex diabolicus (Arnold, 1923) | ⇒ Tachysphex barkeri Arnold, 1923 |
| Tachysphex dignus Kohl, 1889 | |
| Tachysphex dissimulatus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex diversilabris Arnold, 1960 | |
| Tachysphex dolosus Arnold, 1923 | |
| Tachysphex ebeninus Arnold, 1929 | |
| Tachysphex egregius Arnold, 1924 | |
| Tachysphex erectus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex erythrophorus Dalla Torre, 1897 | |
| Tachysphex erythropus Spinola, 1839 | |
| Tachysphex erythrurus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex eurystoma Pulawski, 2007 | Crescent milkvetch |
| Tachysphex excavatus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex excelsus R. Turner, 1917 | |
| Tachysphex excisus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex fanuiensis Cheesman, 1928 | |
| Tachysphex fasciatus (Morice, 1897) | ⇒ Tachysphex speciosissimus Morice, 1897 |
| Tachysphex flavofimbriatus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex frigidus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex fugax Radoszkowski, 1877 | |
| Tachysphex fulgidus Arnold, 1924 | |
| Tachysphex fulvitarsis (Costa, 1867) | ⇒ Tachysphex pompiliformis Panzer, 1805 |
| Tachysphex gagates Arnold, 1940 | |
| Tachysphex galeatus Pulawski, 1977 | |
| Tachysphex gastrotrichus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex geniculatus Spinola, 1839 | |
| Tachysphex georgii Arnold, 1940 | |
| Tachysphex gessianus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex gracilicornis Mercet, 1909 | Silverleaf milkvetch |
| Tachysphex gracilitarsis Morice, 1910 | |
| Tachysphex graecus Kohl, 1883 | |
| Tachysphex grandissimus (Gussakovskij, 1933) | ⇒ Tachysphex sordidus Dahlbom, 1845 |
| Tachysphex gujaraticus Nurse, 1909 | |
| Tachysphex hadronyx Pulawski, 2007 | Crescent milkvetch |
| Tachysphex harpax Arnold, 1923 | |
| Tachysphex helveticus Kohl, 1885 | Aladdin's slippers |
| Tachysphex helveticus aegyptiacus Morice, 1897 | |
| Tachysphex hermia Arnold, 1924 | |
| Tachysphex hippolyta Arnold, 1924 | |
| Tachysphex horus (de Beaumont, 1940) | ⇒ Tachysphex luxuriosus Morice, 1897 |
| Tachysphex iaphetes Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ibi Pulawski, 2007 | Crescent milkvetch |
| Tachysphex incanus de Beaumont, 1940 | |
| Tachysphex inextricabilis Pulawski, 1971 | Aladdin's slippers |
| Tachysphex insulsus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex iridipennis Smith, 1873 | |
| Tachysphex isis de Beaumont, 1940 | |
| Tachysphex julliani (Kohl, 1883) | ⇒ Tachysphex mauretanus Pulawski, 1971 |
| Tachysphex kalaharicus Arnold, 1924 | |
| Tachysphex karoo Pulawski, 2007 | Crescent milkvetch |
| Tachysphex khoikhoi Pulawski, 2007 | Crescent milkvetch |
| Tachysphex lacertosus Arnold, 1944 | |
| Tachysphex limatus Arnold, 1924 | |
| Tachysphex lindbergi Beaumont, 1956 | |
| Tachysphex linsleyi Bohart, 1962 | |
| Tachysphex longipalpis de Beaumont, 1940 | Aladdin's slippers |
| Tachysphex longipalpis longipalpis de Beaumont, 1940 | |
| Tachysphex longipes Pulawski, 2007 | Crescent milkvetch |
| Tachysphex luctuosus Arnold, 1924 | |
| Tachysphex luxuriosus Morice, 1897 | |
| Tachysphex marshalli Turner, 1917 | |
| Tachysphex mashona Arnold, 1929 | |
| Tachysphex mauretanus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex mediterraneus Kohl, 1883 | |
| Tachysphex melanius Pulawski, 2007 | Crescent milkvetch |
| Tachysphex melas Pulawski, 2007 | Crescent milkvetch |
| Tachysphex melas eatoni E. Saunders, 1910 | |
| 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 mkomazi Pulawski, 2007 | Crescent milkvetch |
| Tachysphex modestus Arnold, 1924 | |
| Tachysphex montivagus Arnold, 1944 | |
| Tachysphex morosus Smith, 1858 | Cicadakiller |
| Tachysphex mycerinus de Beaumont, 1940 | |
| Tachysphex mzingeli Pulawski, 2007 | Crescent milkvetch |
| Tachysphex namaqua Pulawski, 2007 | Crescent milkvetch |
| Tachysphex nanus | |
| Tachysphex niloticus Pulawski, 1964 | |
| Tachysphex nitidior Beaumont, 1940 | |
| Tachysphex nitidissimus Beaumont, 1952 | |
| Tachysphex nitidus (Spinola, 1805) | ⇒ Tachysphex unicolor Panzer, 1806 |
| Tachysphex notogoniaeformis Nadig, 1933 | Aboriginal milkvetch |
| Tachysphex oberon Arnold, 1923 | |
| Tachysphex obscuripennis Schenck, 1857 | |
| Tachysphex obscuripennis obscuripennis Schenck, 1857 | |
| Tachysphex obscurus Pulawski, 1971 | Aladdin's slippers |
| Tachysphex octodentatus Arnold, 1924 | |
| Tachysphex omoi Guiglia, 1943 | |
| Tachysphex onager Pulawski, 2007 | Crescent milkvetch |
| Tachysphex osiris de Beaumont, 1940 | |
| Tachysphex ovambo Pulawski, 2007 | Crescent milkvetch |
| Tachysphex palopterus Dahlbom, 1845 | |
| Tachysphex panzeri Van der Linden, 1829 | |
| Tachysphex paulus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex pentheri Cameron, 1905 | |
| Tachysphex perniger Arnold, 1947 | |
| Tachysphex persa Gussakovskij, 1933 | |
| Tachysphex persa catharinae Pulawski, 1964 | |
| Tachysphex persa persa Gussakovskij, 1933 | |
| Tachysphex pilosulus Turner, 1908 | |
| Tachysphex platypus Pulawski, 1977 | |
| Tachysphex platystethus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex plicosus A. Costa, 1867 | |
| Tachysphex politus Pulawski, 1977 | |
| Tachysphex pompiliformis Panzer, 1805 | |
| Tachysphex priesneri de Beaumont, 1940 | |
| Tachysphex prosopigastroides (Bischoff, 1913) | ⇒ Holotachysphex prosopigastroides Gussakovskij, 1952 |
| Tachysphex pseudofasciatus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex pseudopanzeri Beaumont, 1955 | |
| Tachysphex psilonotus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ptah Pulawski, 1964 | |
| Tachysphex pugnator Turner, 1908 | |
| Tachysphex punctatiformis Arnold, 1923 | |
| Tachysphex punctatus Smith, 1856 | |
| Tachysphex punctiger Pulawski, 2007 | Crescent milkvetch |
| Tachysphex quadricolor Gerstaecker, 1858 | |
| Tachysphex ramses Pulawski, 1971 | Aladdin's slippers |
| Tachysphex rapax Pulawski, 2007 | Crescent milkvetch |
| Tachysphex rhacodes Pulawski, 2007 | Crescent milkvetch |
| Tachysphex rhodesianus Bischoff, 1913 | |
| Tachysphex rotundus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ruber Pulawski, 2007 | Crescent milkvetch |
| Tachysphex rufopictus Arnold, 1929 | |
| 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 scaber Pulawski, 2007 | Crescent milkvetch |
| Tachysphex scaurus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex schmiedeknechti Kohl, 1883 | |
| Tachysphex schoenlandi Cameron, 1905 | |
| Tachysphex scopa Pulawski, 2007 | Crescent milkvetch |
| Tachysphex sericans Gussakovskij, 1952 | Aladdin's slippers |
| Tachysphex sericans gracilis Pulawski, 1971 | |
| Tachysphex sericeus F. Smith, 1856 | |
| Tachysphex sexinus Leclercq, 1961 | |
| Tachysphex seyrigi Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex silvestris Pulawski, 2007 | Crescent milkvetch |
| Tachysphex sordidus Dahlbom, 1845 | |
| Tachysphex speciosissimus Morice, 1897 | |
| Tachysphex spectrum Pulawski, 2007 | Crescent milkvetch |
| Tachysphex stevensoni Arnold, 1924 | |
| Tachysphex suavis Arnold, 1929 | |
| Tachysphex subcoriaceus Arnold, 1945 | California saltmarsh mosquito |
| Tachysphex subfimbriatus Arnold, 1924 | |
| Tachysphex subopacus Turner, 1910 | |
| Tachysphex sulcidorsum de Beaumont, 1950 | |
| Tachysphex sycorax Arnold, 1923 | |
| Tachysphex taita Pulawski, 2007 | Crescent milkvetch |
| Tachysphex tanqua Pulawski, 2007 | Crescent milkvetch |
| Tachysphex tarsinus Lepeletier, 1845 | |
| Tachysphex tembe Pulawski, 2007 | Crescent milkvetch |
| Tachysphex tenuicornis Bischoff, 1913 | |
| Tachysphex tenuis Turner, 1908 | |
| Tachysphex theseus Arnold, 1951 | |
| Tachysphex thysanomerus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex titania Arnold, 1923 | |
| Tachysphex tryssus Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ulonyovu Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ulothrix Pulawski, 2007 | Crescent milkvetch |
| Tachysphex unicolor Panzer, 1806 | |
| Tachysphex unicolor simonyi Kohl, 1892 | |
| Tachysphex unicolor unicolor Panzer, 1806 | |
| Tachysphex uniguiculatus | |
| Tachysphex usakos Pulawski, 2007 | Crescent milkvetch |
| Tachysphex vanrhynsi Arnold, 1940 | |
| Tachysphex venator Arnold, 1960 | |
| Tachysphex vestitus (Kohl, 1892) | ⇒ Tachysphex micans Radoszkowski, 1877 |
| Tachysphex vulneratus R. Turner, 1917 | |
| Tachysphex walkeri Turner, 1908 | |
| Tachysphex waltoni Arnold, 1940 | |
| Tachysphex yarrowi de Beaumont, 1960 | |
| Tachysphex zambius Pulawski, 2007 | Crescent milkvetch |
| Tachysphex ziziphi Pulawski, 2007 | Crescent milkvetch |
