Crabro alatulus (DAHLBOM,1838); Crabro auratus (SMITH,1856); Crabro cristatus (PACKARD,1866); Crabro cubiceps (PACKARD,1866); Crabro heraclei (ROHWER,1908); Crabro montanus (CRESSON,1865); Crabro montivagans (STRAND,1916); Solenius octavonotatus (LEPELETIER & BRULLÉ,1835); Solenius octonotatus (LEPELETIER & BRULLÉ,1835); Crabro pictipes (HERRICH-SCHÄFFER,1841)
The more frequent of the two Ectemnius species with short mesonotal pubescence and a pronotum with spines (subgenus Ectemnius). It has been suggested that E. dives is a relatively recent colonist possibly introduced with timber, as the first British record was in 1926 (Nixon, 1935).
Records are concentrated in south-east England and Yorkshire, and are notably sparse in the Midlands and East Anglia, despite relatively good recording levels there. Outlying records are from Alderney and Sark (Channel Islands), Devon, Glamorgan and Cheshire. A Holarctic species, found throughout much of Europe (except the Iberian peninsula), Caucasus, central Asia, north-eastern China and Japan. Also temperate North America.