TY  - BOOK
AU  - Malloch,John R
TI  - A preliminary classification of diptera, exclusive of pupipara, based upon larval and pupal characters, with keys to imagines in certain families
CY  - Illinois
KW  - Dipteros
KW  - Larva
KW  - Pupa
N1  - Colección de depósito
ER  -