 
  | Author: | Gehlen B. | 
| Year: | 1932 | 
| Journal: | — | 
| Publisher: | A. Kernen Verlag. | 
| Volume: | 2 | 
| Issue: | Supplement | 
| Pagination: | 137–166 | 
| Language: | German | 
| URL: | https://www.biodiversitylibrary.org/page/56075739 | 
| Species | Status | Original Combination | Citation | 
|---|---|---|---|
| Hyles nigra (Gehlen, 1932) | Misapplied | Celerio nigra | C.[elerio] euphorbiae – ab. nigra Gehlen (nom. novum pro nigerrima Gehlen) | 
| Hyles saharae (Gehlen, 1932) | Synonym | Celerio saharae | C.[elerio] lineata livornica Esp. – subsp. saharae Std. |