| Manual of the Agromyzidae (Diptera) of the United States. KA Spencer, GC Steyskal Manual of the Agromyzidae (Diptera) of the United States, 1986 | 229 | 1986 |
| Pictorial key to species of the genus Anastrepha (Diptera: Tephritidae). GC Steyskal | 178 | 1977 |
| Family Platystomatidae GC Steyskal (No Title), 1968 | 120* | 1968 |
| A REVISION OF NEOSILBA McALPINE WITH A KEY TO THE WORLD GENERA OF LONCHAEIDAE (DIPTERA) JF McAlpine, GC Steyskal The Canadian Entomologist 114 (2), 105-137, 1982 | 100 | 1982 |
| A list of Egyptian Diptera with a bibliography and key to families GC Steyskal, S El-Bialy United Arab Republic, Ministry of Agriculture, 1967 | 99 | 1967 |
| Insects and mites: Techniques for collection and preservation GC Steyskal, WL Murphy, EM Hoover US Department of Agriculture, Agricultural Research Service, 1986 | 94 | 1986 |
| History and use of the McPhail trap GC Steyskal Florida Entomologist, 11-16, 1977 | 86 | 1977 |
| Keys to the insects of the European part of the USSR G Bei-Bienko, GC Steyskal Volume V. Diptera and Siphonaptera. Part II. Smithonian Institution …, 1988 | 75 | 1988 |
| Some techniques for the preparation, study, and storage in microvials of insect genitalia AB Gurney, JP Kramer, GC Steyskal Annals of the Entomological Society of America 57 (2), 240-242, 1964 | 68 | 1964 |
| A catalogue of the Diptera of the Americas south of the United States. N Papavero | 58 | 1966 |
| Empididae GC Steyskal, LV Knutson Manual of Nearctic Diptera 1, 607-624, 1981 | 56 | 1981 |
| The grammar of family-group names as exemplified by those of fishes GC Steyskal | 48 | 1980 |
| Family Micropezidae GC Steyskal (No Title), 1968 | 48 | 1968 |
| Trend curves of the rate of species description in zoology GC Steyskal Science 149 (3686), 880-882, 1965 | 46 | 1965 |
| A bibliography of the Malaise trap. GC Steyskal | 44 | 1981 |
| The meaning of the term ‘sibling species’ GC Steyskal Systematic Biology 21 (4), 446-446, 1972 | 44 | 1972 |
| Recent advances in the primary classification of the Diptera GC Steyskal Annals of the Entomological Society of America 67 (3), 513-517, 1974 | 43 | 1974 |
| The postabdomen of male acalyptrate Diptera GC Steyskal Annals of the Entomological Society of America 50 (1), 66-73, 1957 | 43 | 1957 |
| Tephritidae RH Foote, GC Steyskal Manual of Nearctic Diptera 2, 817-832, 1987 | 42 | 1987 |
| Family Sciomyzidae L Knutson, GC Steyskal, J Zuska, J Abercrombie A Catalogue of the Diptera of the Americas south of the United States. São …, 1976 | 37 | 1976 |
