Opinions from T. D. A. Cockerell 1906
- 'Ammophila belongs to Sphecidae'
- 'Ammophila antiquella belongs to Ammophila'
- 'Andrena belongs to Andrenidae'
- 'Andrena clavula belongs to Andrena'
- 'Andrena sepulta belongs to Andrena'
- 'Andrenetae is corrected as Andrenidae and belongs to Apoidea'
- 'Anthidium belongs to Megachilidae'
- 'Anthidium exhumatum belongs to Anthidium'
- 'Anthidium scudderi belongs to Anthidium'
- 'Anthophoridae belongs to Apoidea'
- 'Calyptapis belongs to Anthophoridae'
- 'Calyptapis florissantensis belongs to Calyptapis'
- 'Ceratina belongs to Ceratinidae'
- 'Ceratina disrupta belongs to Ceratina'
- 'Ceratinidae belongs to Apoidea'
- 'Ceropalites belongs to Pompilidae'
- 'Ceropalites infelix belongs to Ceropalites'
- 'Crabronites is corrected as Crabronidae and belongs to Sphecoidea'
- 'Dianthidium belongs to Megachilidae'
- 'Dianthidium tertiarium belongs to Dianthidium'
- 'Eumenidae belongs to Vespoidea'
- 'Geotiphia belongs to Scoliidae'
- 'Geotiphia foxiana belongs to Geotiphia'
- 'Halictus belongs to Andrenidae'
- 'Halictus florissantellus belongs to Halictus'
- 'Halictus scudderiellus belongs to Halictus'
- 'Hemipogonius belongs to Pompilidae'
- 'Hemipogonius florissantensis belongs to Hemipogonius'
- 'Hemipogonius scudderi belongs to Hemipogonius'
- 'Heriades belongs to Megachilidae'
- 'Heriades bowditchi belongs to Heriades'
- 'Heriades halictinus belongs to Heriades'
- 'Heriades laminarum belongs to Heriades'
- 'Hoplisidia belongs to Nyssonidae'
- 'Hoplisidia kohliana belongs to Hoplisidia'
- 'Hoplisus belongs to Nyssonidae'
- 'Hoplisus sepultus belongs to Hoplisus'
- 'Libellulapis belongs to Andrenidae'
- 'Libellulapis antiquorum belongs to Libellulapis'
- 'Lithandrena belongs to Andrenidae'
- 'Lithandrena saxorum belongs to Lithandrena'
- 'Lithotiphia belongs to Scoliidae'
- 'Lithotiphia scudderi belongs to Lithotiphia'
- 'Megachilidae belongs to Apoidea'
- 'Nyssonidae belongs to Sphecoidea'
- 'Odynerus belongs to Eumenidae'
- 'Odynerus palaeophilus belongs to Odynerus'
- 'Odynerus praesepultus belongs to Odynerus'
- 'Palaeovespa belongs to Vespidae'
- 'Palaeovespa florissantia belongs to Palaeovespa'
- 'Palaeovespa gillettei belongs to Palaeovespa'
- 'Palaeovespa scudderi belongs to Palaeovespa'
- 'Passaloecus belongs to Pemphredonidae'
- 'Passaloecus scudderi belongs to Passaloecus'
- 'Pemphredonidae belongs to Sphecoidea'
- 'Philantores is corrected as Philanthidae and belongs to Sphecoidea'
- 'Pompilidae belongs to Vespoidea'
- 'Prophilanthus belongs to Philanthidae'
- 'Prophilanthus destructus belongs to Prophilanthus'
- 'Protostephanus belongs to Stephanidae'
- 'Protostephanus ashmeadi belongs to Protostephanus'
- 'Scolietae is corrected as Scoliidae and belongs to Vespoidea'
- 'Sphegimae is corrected as Sphecidae and belongs to Sphecoidea'
- 'Stephanidae belongs to Ichneumonoidea'
- 'Tracheliodes belongs to Crabronidae'
- 'Tracheliodes mortuellus belongs to Tracheliodes'
- 'Vespariae is corrected as Vespidae and belongs to Vespoidea'