Norden, B. B. and Krombein, Karl V. 1996. "Nest and Prey of Solierella vierecki (Rohwer) (Hymenoptera: Sphecidae: Larrinae)." Proceedings of the Entomological Society of Washington, 98, (3) 607.
Krombein, Karl V. and Norden, B. B. 1997. "Bizarre Nesting Behavior of Krombeinictus nordenae Leclercq (Hymenoptera: Sphecidae, Crabroninae)." Journal of South Asian Natural History, 2, (2) 145–154.
Krombein, Karl V. and Norden, B. B. 1997. "Nesting Behavior of Krombeinictus nordenae Leclercq, a Sphecid Wasp with Vegtarian Larvae (Hymenoptera: Sphecidae: Crabroninae)." Proceedings of the Entomological Society of Washington, 99, (1) 42–49.
Tormos, J., Krombein, Karl V., Asis, J. D., and Gayubo, S. F. 1998. "Descriptions of Mature larvae of Two Amiseginae, With a Dicussion of Larval Characters in the Chrysididae (Hymenoptera)." Annals of the Entomological Society of America, 91, (5) 598–601.
Krombein, Karl V. 1937. "Studies in the Tiphiidae (Hymenoptera: Aculeata), I. A Review of the Genera of Myzininae." Annals of the Entomological Society of America, 30 26–30.
Krombein, Karl V. 1938. "Descriptions of Four New Wasps (Hymenoptera: Sapygidae, Sphecidae)." Annals of the Entomological Society of America, 31 467–470.
Krombein, Karl V. 1938. "Studies in the Tiphiidae (Hymenoptera: Aculeata), III. Description of a New Species of Neotiphia." Annals of the Entomological Society of America, 31 59–60.
Krombein, Karl V. 1938. "Notes on the Biology of Pseudomethoca frigida (Smith) (Hymenoptera: Mutillidae)." Bulletin of the Brooklyn Entomological Society, 33 14–15.
Krombein, Karl V. 1938. "Notes on the Passaloecus of New York State with Descriptions of Two New Species (Hymenoptera: Sphecidae)." Bulletin of the Brooklyn Entomological Society, 33 122–127.
Krombein, Karl V. 1938. "Further Observations on the Nesting Habits of Cerceris nigrescens Smith (Hymenoptera: Sphecidae)." Entomological News, 49 1–3.
Krombein, Karl V. 1938. "Studies in the Tiphiidae (Hymenoptera: Aculeata), II. A Revision of the Neartic Myzininae." Transactions of the American Entomological Society, 64 227–292.
Krombein, Karl V. 1939. "Description of a New Madagascan Lophotilla (Hymenoptera: Mutillidae)." Annals of the Entomological Society of America, 32 316–317.
Krombein, Karl V. 1939. "Descriptions and Records of New Wasps from New York State (Hymenoptera: Sphecidae)." Bulletin of the Brooklyn Entomological Society, 34 135–144.
Krombein, Karl V. 1940. "Studies in the Tiiphiidae (Hymenoptera: Aculeat), IV. A Revision of the Myrmosinae of the New World with a Discussion of the Old World Species." Transactions of the American Entomological Society, 65 415–465.
Studies in the Tiphiidae (Hymenoptera: Aculeata), VI: Glyptometopa Ashmead and Related Genera in the Brachycistidinae, with Descriptions of New Genera and Species
Krombein, Karl V. and Mickel, C. E. 1942. "Studies in the Tiphiidae (Hymenoptera: Aculeata), VI: Glyptometopa Ashmead and Related Genera in the Brachycistidinae, with Descriptions of New Genera and Species." American Midland Naturalist, 28 648–679.
Krombein, Karl V. 1942. "A New Genus and Species of Brachycistidinae (Hymenoptera: Tiphiidae)." Proceedings of the Entomological Society of Washington, 44 65–68.