| Publication Type: | Journal Article |
| Year of Publication: | 1933 |
| Authors: | E. A. Cockayne, Hawkins C. N. |
| Journal: | Transactions of the Entomological Society of London |
| Volume: | 81 |
| Pagination: | 27-31 |
| Date Published: | 1933 |
| Keywords: | GENETICS, IMMATURE MORPHOLOGY, SPHINGIDAE |