Crabro bizexmaculatus (VIERECK,1910); Crabro fuscitarsis (HERRICH-SCHÄFFER,1841); Solenius giffardi (ROHWER,1917); Crabro granulates (WALKER,1871); Crabro pumilus (COSTA,1871); Crabro rugopunctatus (TASCHENBERG,1875); Crabro sayi (COCKERELL,1910); Crabro sexmaculatus (SAY,1824); Crabro vagatus (SMITH,1869); Ectemnius vagus misident.; Crabro validus (DE STEFANI PEREZ,1884)
The larger and more frequent of the two British species of Ectemnius with reduced yellow spots on gastral terga 1 and 3 (subgenus Hypocrabro).
Widely distributed in Britain as far north as Fifeshire. Information for Ireland is sparse but may reflect the lack of recording there. Very extensive overseas distribution covering subtropical, temperate and subarctic regions in the northern hemisphere.