Department of Entomology
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Item Entomology Newsletter June, 1942(University of Minnesota: Department of Entomology, 1942-06-05) University of Minnesota: Department of EntomologyItem Entomology Newsletter July, 1942(University of Minnesota: Department of Entomology, 1942-07-22) University of Minnesota: Department of EntomologyItem Entomology Newsletter October, 1942(1942-10-15) University of Minnesota: Department of EntomologyItem Entomology Newsletter December 1942(1942-12-15) University of Minnesota: Department of EntomologyItem Entomology Newsletter February 1943(1943-02-27) University of Minnesota: Department of EntomologyItem Entomology Newsletter, May 1, 1943(1943-05-01) University of Minnesota: Department of EntomologyItem Entomology Newsletter, June 25, 1943(University of Minnesota: Department of Entomology, 1943-06-25) University of Minnesota: Department of EntomologyItem Department of Entomology, Fisheries and Wildlife, 1888-1974(University of Minnesota, 1976) Hodson, A. C. (Alexander Carlton), 1906-1996A chronological and somewhat anecdotal history of the Department of Entomology, Fisheries and Wildlife written by A. C. Hodson, who was Head of the Department from 1960-1974.Item New micro-caddisflies from the Southeastern United States (Trichoptera: Hydroptilidae)(1983) Holzenthal, Ralph W.; Kelley, Robert W.Males of 6 new species of Hydroptilidae (Trichoptera) from the southeastern United States are described and illustrated: Hydroptila carolae n.sp. from South Carolina, H. disgalera n.sp. from Alabama and South Carolina, H. ouachita n.sp. from Louisiana, H. poirrieri n.sp. from Louisiana and Mississippi, H. tridItem Entomology Newsletter Volume 1 '84-'85(1985) University of Minnesota, Department of EntomologyItem Studies in Neotropical Leptoceridae (Trichoptera) II: Amphoropsyche, a new genus and species of Leptocerinae from northern South America.(1985) Holzenthal, Ralph W.Amphoropsyche, n. gen. (Trichoptera: Leptoceridae: Leptocerinae), from northern South America is described and illustrated. Nine new species are placed in the new genus: A. ayura, A. cauca, A. choco, A. fl inti, A. quebrada, and A. stellata from Colombia; A. napo from Ecuador; and A. aragua and A. refugia from Venezuela. B,rachysetodes insularis is transferred to the new genus. Amphoropsyche is diagnosed by the presence of a large internal gland in the preanal appendages and by a tuft of closely appressed setae on the inferior appendages of the male genitalia. Its phylogenetic position is near the base of the Leptocerinae.Item Entomology Newsletter Volume 2 '85-86(1986) University of Minnesota, Entomology DepartmentItem Entomology Newsletter Volume 3, '86-'87(1987) University of Minnesota, Entomology DepartmentItem Entomology Newsletter, Volume 4 '87-'88(1988) University of Minnesota, Entomology DepartmantItem The Larva and Pupa of Cochliopsyche vazquezae (Trichoptera:Helicopsychidae)(University of Chicago Press, 1988) Monson, Margot P.; Holzenthal, Ralph W.; Ahlstrand, Gilbert G.The larva and pupa of Cochliopsyche vazquezae Flint are described, representing the first complete description of these stages for the genus. The larva is characterized by the possession of a prominent patch of setae on the anterolateral margin of the head capsule and by a marked concavity in the postgenal region, giving a "hollowed out" appearance to the posterolateral aspect of the head. Pupae bear a similar group of setae below and mesad of the eye. Notes on the biology and habitat of C. vazquezae in Costa Rica are given.Item New species and records of Costa Rican Polycentropus (Trichoptera: Polycentropodidae)(New York Entomological Society, 1988) Holzenthal, Ralph W.; Hamilton, Steven W.Five new species of Pofycentropus (Trichoptera: Polycentropodidae) from Costa Rica are described and illustrated: P. fasthi, P. fortispinus, P. nebulosus, P. volcanus, and P. zurqui. In addition, P. digitus Yamamoto, P. fortunus Flint, and P. mayanus Flint are recorded from Costa Rica for the first time. Also, P. acanthogaster Flint, P. altmani Yamamoto, P.costaricensis Flint, P. dentoides Yamamoto, P. lingulatus Flint, and P. spicatus Yamamoto occur or are likely to occur in the country.Item Entomology Newsletter Volume 6 '89(1989) University of Minnesota, Entomology DepartmentItem Entomology Newsletter Volume 5 '88-'89(1989) University of Minnesota, Entomology DepartmentItem Hydroptilidae (Trichoptera) from Costa Rica: the genus Mayatrichia Mosely(New York Entomological Society, 1990) Harris, Steven C.; Holzenthal, Ralph W.The genus Mayatrichia is represented in Costa Rica by three species, M. ayama Mosely, M. rualda Mosely, and M. illobia, new species. The new species, also known from Ecuador, is described and illustrated. Distribution records, maps, and a key are provided for known Costa Rican species of Mayatrichia.Item Hydroptilidae (Trichoptera) of Costa Rica: the genus Oxyethira Eaton(New York Entomological Society, 1992) Holzenthal, Ralph W.; Harris, Steven C.Nine new species of Oxyethira (Trichoptera: Hydroptilidae) are described from Costa Rica: 0. apinolada, 0 . cuernuda, 0. culebra, 0. espinada, 0. hilosa, 0. rareza, 0 . sencilla, 0. sierruca, and 0. tica. Males of each new species are described and figured. In addition, distribution records are presented for eight previously described species occurring in Costa Rica: 0. arizona Ross, 0. azteca (Mosely), 0. costaricensis Kelley, 0. glasa (Ross), O.janella Denning, 0 . parazteca Kelley, 0. parce (Edwards and Arnold), and 0. simulatrix Flint. A key is provided to males of the Costa Rican species.