Reference
Betrem, J. G. 1952. Remarks concerning the frontal parts of the head of some Hymenoptera. Pp. 97-100 in: de Wilde, J. et al. (eds.) 1952. Transactions of the IXth International Congress of Entomology. Amsterdam, August 17-24, 1951. Volume 1. Amsterdam: Ninth International Congress of Entomology, lxi + 1115 pp.Details
| Authors | |
|---|---|
| Title | Remarks concerning the frontal parts of the head of some Hymenoptera. |
| Pagination | Pp. 97-100 in: |
| Year | 1952 |
| Date | 1952-12 |
| Type | Nested reference |
| Bolton key | – |
| Nested in | de Wilde, 1952 |
| PDF link | – |