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Articles 1 - 30 of 991
Full-Text Articles in Entire DC Network
Integrated Management Strategies For Phytophthora Sojae Combining Host Resistance And Seed Treatments, A. E. Dorrance, A. E. Robertson, S. Cianzo, L. J. Giesler, C. R. Grau, M. A. Draper, A. U. Tenuta, T. R. Anderson
Integrated Management Strategies For Phytophthora Sojae Combining Host Resistance And Seed Treatments, A. E. Dorrance, A. E. Robertson, S. Cianzo, L. J. Giesler, C. R. Grau, M. A. Draper, A. U. Tenuta, T. R. Anderson
Department of Plant Pathology: Faculty Publications
Phytophthora sojae has re-emerged as a serious soybean pathogen in the past decade. This may be due in part to changes in resistance levels in current cultivars, adoption of P. sojae populations to deployed Rps genes, and highly favorable environments in the past decade. This multilocation study evaluated the effect of seed treatments on the incidence and severity of Phytophthora root and stem rot on soybeans with different combinations of Rps genes and levels of partial resistance. The efficacy of the seed treatments was highly variable across locations. Seed treatments (metalaxyl and mefenoxam) provided protection and increased yields across cultivars …
New National Extension Site Has Information On Dealing With Economic Crisis, Elbert Dickey, Dan Moser
New National Extension Site Has Information On Dealing With Economic Crisis, Elbert Dickey, Dan Moser
Institute of Agriculture and Natural Resources: News Releases
Lincoln, Ne & the nation's land-grant universities, including the University of Nebraska-Lincoln, have gathered myriad resources on-line to help Americans deal with the financial crisis.
The site is available through eXtension.org, via a link at www.extension.unl.edu (http://www.extension.unl.edu/).
Elbert Dickey, dean and director of UNL Extension, said the site is an excellent example of what eXtension does best.
"UNL Extension and our counterparts across the country created eXtension for just this purpose to get the 'best of the best' research-based, unbiased information from all over the U.S. into the hands of Americans who need it," Dickey said. "All Americans are struggling …
A High-Oleic-Acid And Low-Palmitic-Acid Soybean: Agronomic Performance And Evaluation As A Feedstock For Biodiesel, George L. Graef, Bradley J. Lavallee, Patrick Tenopir, Mustafa Tat, Bruce Schweiger, Anthony J. Kinney, Jon H. Van Gerpen, Thomas E. Clemente
A High-Oleic-Acid And Low-Palmitic-Acid Soybean: Agronomic Performance And Evaluation As A Feedstock For Biodiesel, George L. Graef, Bradley J. Lavallee, Patrick Tenopir, Mustafa Tat, Bruce Schweiger, Anthony J. Kinney, Jon H. Van Gerpen, Thomas E. Clemente
Department of Agronomy and Horticulture: Faculty Publications
Phenotypic characterization of soybean event 335-13, which possesses oil with an increased oleic acid content (> 85%) and reduced palmitic acid content (< 5%), was conducted across multiple environments during 2004 and 2005. Under these conditions, the stability of the novel fatty acid profile of the oil was not influenced by environment. Importantly, the novel soybean event 335-13 was not compromised in yield in both irrigated and non-irrigated production schemes. Moreover, seed characteristics, including total oil and protein, as well as amino acid profile, were not altered as a result of the large shift in the fatty acid profile. The novel oil trait was inherited in a simple Mendelian fashion. The event 335-13 was also evaluated as a feedstock for biodiesel. Extruded oil from event 335-13 produced a biodiesel with improved cold flow and enhanced oxidative stability, two critical fuel parameters that can limit the utility of this renewable transportation fuel.
Cranes Of The World In 2008: A Supplement To Crane Music, Paul A. Johnsgard
Cranes Of The World In 2008: A Supplement To Crane Music, Paul A. Johnsgard
Papers in Ornithology
Time proceeds inexorably onward, and it has been 17 years since the first edition of Crane Music was published. During that time more than a billion people have been added to the earth's roles, and global warming has increasingly been recognized as a real tlu:oat to our planet's future. Although during that period a small percentage of Americans have become very rich through advances in technology, expanding markets and globalization, wildlife in general has suffered. Continuing population growth and associated economic and ecological pressures have resulted in greatly increased deforestation, wetland drainage, and destruction of natural habitats. Additionally, global climate …
Louis A. Fuertes And The Zoological Art Of The 1926–1927 Abyssinian Expedition Of The Field Museum Of Natural History, Paul A. Johnsgard
Louis A. Fuertes And The Zoological Art Of The 1926–1927 Abyssinian Expedition Of The Field Museum Of Natural History, Paul A. Johnsgard
Papers in Ornithology
The year 2009 marked the 110th anniversary of the first colored reproduction of a Fuertes painting; a watercolor of two seaside sparrows published in The Auk, when Fuertes was about 25 years old. Although Fuertes' life spanned little more than a half-century, and most living ornithologists were born after his tragic 1927 death, his influence on natural history art has not lessened. This manuscript is a testimony to his enduring artistic legacy.
I first looked in awe at the original set of Fuertes paintings in the summer of 1995, during a visit to the Field Museum in conjunction with …
Increased Survival Of Western Corn Rootworm On Transgenic Corn Within Three Generations Of On-Plant Greenhouse Selection, Lisa N. Meihls, Matthew L. Higdon, Blair D. Siegfried, Nicholas J. Miller, Thomas W. Sappington, Mark R. Ellersieck, Terrence A. Spencer, Bruce E. Hibbard
Increased Survival Of Western Corn Rootworm On Transgenic Corn Within Three Generations Of On-Plant Greenhouse Selection, Lisa N. Meihls, Matthew L. Higdon, Blair D. Siegfried, Nicholas J. Miller, Thomas W. Sappington, Mark R. Ellersieck, Terrence A. Spencer, Bruce E. Hibbard
Department of Entomology: Faculty Publications
To delay evolution of insect resistance to transgenic crops producing Bacillus thuringiensis (Bt) toxins, nearby ‘‘refuges’’ of host plants not producing Bt toxins are required in many regions. Such refuges are expected to be most effective in slowing resistance when the toxin concentration in Bt crops is high enough to kill all or nearly all insects heterozygous for resistance. However, Bt corn, Zea mays, introduced recently does not meet this ‘‘high-dose’’ criterion for control of western corn rootworm (WCR), Diabrotica virgifera virgifera. A greenhouse method of rearing WCR on transgenic corn expressing the Cry3Bb1 protein was used in …
Worm-Web Search: A Content-Based Image Retrieval (Cbir) System For The Parasite Image Collection In The Harold W. Manter Laboratory Of Parasitology, University Of Nebraska State Mueum, Ramalingamurthy Meduri, Ashok Samal, Scott Lyell Gardner
Worm-Web Search: A Content-Based Image Retrieval (Cbir) System For The Parasite Image Collection In The Harold W. Manter Laboratory Of Parasitology, University Of Nebraska State Mueum, Ramalingamurthy Meduri, Ashok Samal, Scott Lyell Gardner
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
We have developed a prototype web-accessible content-based image retrieval (CBIR) system that allows internet/web-based sharing of biological collections that contain large numbers of images of archived specimens. This system will enable both researchers and educators to access verified, high quality data on biological collections that are available in any museum with digitized holdings. The CBIR system that we are testing can play an important role in understanding global biodiversity because no knowledge of the specific names of specimens need be known before useful information can be extracted from such databases. Our CBIR framework allows users to search image collections using …
Effects Of Shielding Adenoviral Vectors With Polyethylene Glycol On Vector-Specific And Vaccine-Mediated Immune Responses, Eric A. Weaver, Michael A. Barry
Effects Of Shielding Adenoviral Vectors With Polyethylene Glycol On Vector-Specific And Vaccine-Mediated Immune Responses, Eric A. Weaver, Michael A. Barry
Nebraska Center for Virology: Faculty Publications
Many individuals have been previously exposed to human adenovirus serotype 5 (Ad5). This prior immunity has long been known to hinder its use for gene therapy and as a gene-based vaccine. Given these immunogenicity problems, we have tested whether polyethylene glycol (PEG) can blunt immune effects against Ad5 during systemic and mucosal vaccination. Ad5 vectors were covalently modified with 5-, 20-, and 35-kDa linear PEG polymers and evaluated for their ability to produce immune responses against transgene antigen products and the vector itself. We show that shielding Ad5 with different-sized PEGs generally reduces transduction and primary antibody responses by the …
Presentation Of The 2008 Asp Distinguished Service Award To William C. Campbell, Robin M. Overstreet
Presentation Of The 2008 Asp Distinguished Service Award To William C. Campbell, Robin M. Overstreet
Harold W. Manter Laboratory of Parasitology: Faculty and Staff Publications
Presentation of the 2008 American Society of Parasitologists Distinguished Service Award to William C. Campbell, Dana Fellow for scientists emeriti at Drew University.
Ard News December 2008
Agricultural Research Division: News and Annual Reports
Contents:
Comments from the Dean Gary Cunningham
Undergraduate Honors Research Program
David H. and Annie E. Larrick/William G. Whitmore Funds, 2009
Mussehl Endowment
New or Revised Projects September and October 2008
Proposals Submitted for Federal Grants September and October 2008
Grants and Contracts Received for September and October 2008
A New Species Of The Genus Dendroleon Brauer From Mexico (Neuroptera: Myrmeleontidae), Lionel A. Stange
A New Species Of The Genus Dendroleon Brauer From Mexico (Neuroptera: Myrmeleontidae), Lionel A. Stange
Insecta Mundi
Abstract. A new species of Dendroleon Brauer is described from Mexico and is included in a key to three species of North America. Diagnoses and distributional data are given for D. obsoletus (Say) and D. speciosus Banks.
Resumen. Una nueva especie de Dendroleon Brauer es descripta de México y está incluída en una clave para las tres especies de Dendroleon de Norte America. Se provee una diagnosis para D. obsoletus (Say) y D. speciosus Banks además de datos sobre distribución geográfica.
Agrilinellus, New Genus And Four New Species Of Mexican Aphodiini (Scarabaeoidea: Scarabaeidae: Aphodiinae), Marco Dellacasa, Giovanni Dellacasa, Robert D. Gordon
Agrilinellus, New Genus And Four New Species Of Mexican Aphodiini (Scarabaeoidea: Scarabaeidae: Aphodiinae), Marco Dellacasa, Giovanni Dellacasa, Robert D. Gordon
Insecta Mundi
Agrilinellus, new genus is created for Agrilinus azteca (Harold) (type species), A. chiapasensis (Galante, Stebnicka and Verdú), and A. ornatus (Schmidt). Four new species from Mexico are described: Agrilinellus abbonai, Agrilinellus antonioreyi, Agrilinellus nuriae, Agrilinellus oaxacaensis.
Chlorovirus-Mediated Membrane Depolarization Of Chlorella Alters Secondary Active Transport Of Solutes, Irina V. Agarkova, David Dunigan, James R. Gurnon, Timo Greiner, Julia Barres, Gerhard Thiel, James L. Van Etten
Chlorovirus-Mediated Membrane Depolarization Of Chlorella Alters Secondary Active Transport Of Solutes, Irina V. Agarkova, David Dunigan, James R. Gurnon, Timo Greiner, Julia Barres, Gerhard Thiel, James L. Van Etten
Department of Plant Pathology: Faculty Publications
Paramecium bursaria chlorella virus 1 (PBCV-1) is the prototype of a family of large, double-stranded DNA, plaque-forming viruses that infect certain eukaryotic chlorella-like green algae from the genus Chlorovirus. PBCV-1 infection results in rapid host membrane depolarization and potassium ion release. One interesting feature of certain chloroviruses is that they code for functional potassium ion-selective channel proteins (Kcv) that are considered responsible for the host membrane depolarization and, as a consequence, the efflux of potassium ions. This report examines the relationship between cellular depolarization and solute uptake. Annotation of the virus host Chlorella strain NC64A genome revealed 482 putative …
Ecological Niche Of The 2003 West Nile Virus Epidemic In The Northern Great Plains Of The United States, Michael Wimberly, Michael B. Hildreth, Stephen P. Boyte, Erik Lindquist, Lon Kightlinger
Ecological Niche Of The 2003 West Nile Virus Epidemic In The Northern Great Plains Of The United States, Michael Wimberly, Michael B. Hildreth, Stephen P. Boyte, Erik Lindquist, Lon Kightlinger
Public Health Resources
Background: The incidence of West Nile virus (WNv) has remained high in the northern Great Plains compared to the rest of the United States. However, the reasons for the sustained high risk of WNv transmission in this region have not been determined. To assess the environmental drivers of WNv in the northern Great Plains, we analyzed the county-level spatial pattern of human cases during the 2003 epidemic across a seven-state region.
Methodology/Principal Findings: County-level data on WNv cases were examined using spatial cluster analysis, and were used to fit statistical models with weather, climate, and land use variables as predictors. …
Remembering Everett Gross And Lee Morris
Remembering Everett Gross And Lee Morris
Nebraska Bird Review
Everett Gross, NOU member since 1966, passed away on March 5, 2008, at the age of 88. Mildred, his wife of 65 years, preceded him in death by only a few months [see June 2007 NBR, p. 62]. Both were regular participants at the NOU spring and fall gatherings.
Lee Morris of Benedict was another loyal, longtime member of the NOU. Lee was 86 when he passed away on July 14, 2008. He is survived by his wife, Shirley, sons James, Steve (also an NOU member), and Tom, and daughter, Linda. Lee was an NOU officer in the 1960s, and …
Index To Volume 76
Nebraska Bird Review
Alberts, Byron 52
Aleman-Zometa, Jason 155
Alexander,
George 20
Irene 20
R. D. 79
Allen, Sue 20
Anderson, S. H. 80
Anhinga 113
Atwood, J. L. 80
Aubushon, Kathy 19
Audubon, John J. 84-85
Avocet, American 58, 87, 101, 142, 159
The Human Immunodeficiency Virus Type 1 Envelope Confers Higher Rates Of Replicative Fitness To Perinatally Transmitted Viruses Than To Nontransmitted Viruses, Xiaohong Kong, John T. West, Hong Zhang, Danielle Shea, Tendai J. M'Soka, Charles Wood
The Human Immunodeficiency Virus Type 1 Envelope Confers Higher Rates Of Replicative Fitness To Perinatally Transmitted Viruses Than To Nontransmitted Viruses, Xiaohong Kong, John T. West, Hong Zhang, Danielle Shea, Tendai J. M'Soka, Charles Wood
Nebraska Center for Virology: Faculty Publications
Selection of a minor viral genotype during perinatal transmission of human Immunodeficiency virus type 1 (HIV-1) has been observed, but there is a lack of information on the correlation of the restrictive transmission with biological properties of the virus, such as replicative fitness. Recombinant viruses expressing the enhanced green fluorescent protein or the Discosoma sp. red fluorescent (DsRed2) protein carrying the V1 to V5 regions of env from seven mother-infant pairs (MIPs) infected by subtype C HIV-1 were constructed, and competition assays were carried out to compare the fitness between the transmitted and nontransmitted viruses. Flow cytometry was used to …
College Of Agricultural Sciences And Natural Resources, 15th Annual Report August 1, 2007-July 31, 2008
College of Agricultural Sciences and Natural Resources (CASNR): Annual Reports
Contents
Introduction 3 • Dedication 5 • Administration and Staff 6 • Academic Unit Administrators 6 • CASNR Standing Committees 7 • Faculty Advisory Council 7 • Student Advising Improvement Committee 8 • Teaching and Learning Improvement Council 9 • Scholarship and Graduation with Distinction Committee 9 • Curriculum Committee 10 • Teaching Faculty 11 • Faculty Meetings 11 • New Faculty or Faculty with New Appointments 11 • Retirements 12 • Faculty Awards 12 • Departmental News and Events 14 • Agricultural Economics 15 • Agricultural Leadership, Education and Communication 18 • Agronomy and Horticulture 20 • Animal Science …
New Genes Originated Via Multiple Recombinational Pathways In The Β-Globin Gene Family Of Rodents, Frederico Hoffmann, Juan Opazo, Jay F. Storz
New Genes Originated Via Multiple Recombinational Pathways In The Β-Globin Gene Family Of Rodents, Frederico Hoffmann, Juan Opazo, Jay F. Storz
Jay F. Storz Publications
Species differences in the size or membership composition of multigene families can be attributed to lineage-specific additions of new genes via duplication, losses of genes via deletion or inactivation, and the creation of chimeric genes via domain shuffling or gene fusion. In principle, it should be possible to infer the recombinational pathways responsible for each of these different types of genomic change by conducting detailed comparative analyses of genomic sequence data. Here, we report an attempt to unravel the complex evolutionary history of the β-globin gene family in a taxonomically diverse set of rodent species. The main objectives were: 1) …
Enoclerus Knabi (Wolcott), A Junior Synonym Of Enoclerus Ichneumoneus (Fabricius) (Coleoptera: Cleridae), John Leavengood, Jr.
Enoclerus Knabi (Wolcott), A Junior Synonym Of Enoclerus Ichneumoneus (Fabricius) (Coleoptera: Cleridae), John Leavengood, Jr.
Insecta Mundi
Enoclerus knabi (Wolcott) falls within the range of variation of E. ichneumoneus (Fabricius) and is hereby synonymized under that species.
Synopsis Of The Oryctini (Coleoptera: Scarabaeidae: Dynastinae) From The Brazilian Amazon, Hector Jaime Gasca Alvarez, Claudio Ruy Vasconcelos Da Fonseca, Brett Ratcliffe
Synopsis Of The Oryctini (Coleoptera: Scarabaeidae: Dynastinae) From The Brazilian Amazon, Hector Jaime Gasca Alvarez, Claudio Ruy Vasconcelos Da Fonseca, Brett Ratcliffe
Insecta Mundi
The Oryctini (Coleoptera: Scarabaeidae: Dynastinae) is a large tribe of worldwide distribution with approximately 26 genera and 230 species. Fourteen genera and 113 species are found in the Neotropical region. Knowledge of the tribe in the Neotropics is fragmentary, necessitating further studies that address taxonomy, biology, and geographical distribution patterns. This study surveyed the Oryctini of the Brazilian Amazon. The composition of the group in the study area consisted of 7 genera, 18 species and 2 subspecies found in 7 states, 91 municipal districts, and approximately 167 specific localities. States with larger number of species are Amazonas and Pará, with …
Characterization Of Dna Sequences That Confer Complement Resistance In Leishmania Chagasi, Rebecca R. Dahlin-Laborde, Eric J. Scolaro, Nathan M. Romine, Amanda Ramer-Tait, Soi Meng Lei, Jeffrey K. Beetham
Characterization Of Dna Sequences That Confer Complement Resistance In Leishmania Chagasi, Rebecca R. Dahlin-Laborde, Eric J. Scolaro, Nathan M. Romine, Amanda Ramer-Tait, Soi Meng Lei, Jeffrey K. Beetham
Department of Food Science and Technology: Faculty Publications
Serial passage of axenically cultured Leishmania chagasi promastigotes results in a progressive diminution in resistance to complement-mediated lysis (CML), whereas high CML resistance is seen in infectious metacyclic promastigotes from the sandfly vector as well as metacyclic-like promastigotes within low-passage cultures at stationary growth phase. As we previously reported, in a screen seeking to identify novel genes involved in CML resistance: (1) a genomic cosmid library derived from DNA of CML-resistant L. chagasi promastigotes was transfected into highpassage (constitutively CML-sensitive) L. chagasi promastigotes; (2) transformants were screened for acquisition of CML-resistance; (3) multiple cosmid-transfectants exhibited partial CML resistance; and (4) …
The 2007 Nebraska Nest Report, Wayne J. Mollhoff
The 2007 Nebraska Nest Report, Wayne J. Mollhoff
Nebraska Bird Review
Rains returned to most of the state this breeding season, with the notable exception of almost the entire Panhandle and the western Sandhills, where the 8-year drought continues. In the western Sandhills some early rains began to restore water levels in the potholes and lakes, but levels fell again as the summer wore on. While recovering water levels in much of the Rainwater Basin brought renewed breeding activity by at least some of the marsh and water birds, continued dry conditions in the western Sandhills curtailed breeding by many water bird species there, with reduced or no breeding by grebes …
Fall Field Days At Ashland
Nebraska Bird Review
The Fall Field Days were held southeast of Ashland at the Carol Joy Holling Conference Center September 26-28. Field trips to Platte River and Schramm State Parks, Louisville and Memphis SRAs, Jack Sinn WMA, Fontenelle Forest, and Spring Creek Prairie were led by Kevin Poague, Clem Klaphake, Larry Einemann, Rick Schmid, and Don and Janis Paseka.
Hawk migration was in full swing, and we observed 10 species, including a number of Broad-wings and Swainson's. An American Golden-Plover was a standout among the dozen shorebird species, and 10 warbler species were found, including Black-throated Green and Canada. Total species count was …
Book Review [Birding In The Northern Plains: The Ornithological Writings Of Herbert Krause], Paul A. Johnsgard
Book Review [Birding In The Northern Plains: The Ornithological Writings Of Herbert Krause], Paul A. Johnsgard
Nebraska Bird Review
Birding in the Northern Plains: The Ornithological Writings of Herbert Krause. Ronald R. Nelson, editor. 2008. The Center for Western Studies, Augustana College, Sioux Falls, SD. 252 pp. ISBN 978-0-9312170-87-4. Price: $27.50.
Herbert Krause was a native of Minnesota who spent most of his life in South Dakota, teaching at Augustana College from 1938 until his death in 1976. During that time he wrote extensively on South Dakota birds, much of which appeared in South Dakota Bird Notes, the journal of the South Dakota Ornithologists' Union. This book, assembled and edited by his long-time friend Ronald Nelson, brings …
Subscription And Organization Information [December 2008]
Subscription And Organization Information [December 2008]
Nebraska Bird Review
The Nebraska Bird Review is published quarterly by the Nebraska Ornithologists' Union, Inc., as its official journal, and is sent to members not in arrears of dues. Annual subscription rates (on a calendar-year basis only): $15 in the United States, $18 in Canada and $30 in all other countries, payable in advance. Single copies are $4 each, postpaid, in the United States, $5 in Canada, and $8 elsewhere. Send orders for back issues to Mary Lou Pritchard, NOU Librarian, c/o University of Nebraska State Museum, W-436 Nebraska Hall, Lincoln, NE 68588-0514.
Memberships in the NOU (on a calendar-year basis only): …
Fall Field Report, August-November 2008, W. Ross Silcock
Fall Field Report, August-November 2008, W. Ross Silcock
Nebraska Bird Review
Of interest to many is evidence of northward movement of species which generally summer on the Great Plains. In addition to White-winged Dove and Scissor-tailed Flycatcher, both slowly establishing as breeders in Nebraska, significant numbers of Glossy Ibis continue to be found, probably associated with major increases in numbers of White-faced Ibis. Perhaps the biggest surprise this late summer and early fall was the large number of Lesser Goldfinches reported from the southern Panhandle.
Less exciting by far, but worthy of attention were reports of several Mute Swans in the Omaha area, including a duo of juveniles, and a couple …
Nebraska Bird Review (December 2008) 76(4), Whole Issue
Nebraska Bird Review (December 2008) 76(4), Whole Issue
Nebraska Bird Review
Fall Field Report, August–November 2008 ... 134
The 2007 Nebraska Nest Report ... 155
Fall Field Days at Ashland ... 165
Remembering Everett Gross and Lee Morris ... 169
Book Review [Birding in the Northern Plains: The Ornithological Writings of Herbert Krause] ... 171
Index to Volume 76 ... 172
Subscription and Organization Information ... 183
Efficient Utilization Of Water And Nitrogen Resources For Grain Sorghum Under Rainfed Conditions, Akwasi A. Abunyewa
Efficient Utilization Of Water And Nitrogen Resources For Grain Sorghum Under Rainfed Conditions, Akwasi A. Abunyewa
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Grain sorghum (Sorghum bicolor L. Moench) is the fifth world leading cereal after maize, wheat, rice and barley. The crop can yield reasonably well under adverse conditions of low soil water and high temperature. A three year field study was conducted in a transect across Nebraska where annual mean precipitation ranges from 300 to 900 mm yr-1 to evaluate management practices to optimize yield potential under water limiting conditions. Loss in grain yield due to planting configurations ranged from 20 to 30% with skip-row configurations compared to conventional planting configuration (s0) at the site with greatest precipitation. At …
New Phycitiplex Porter (Hymenoptera, Ichneumonidae) From Subandean Desert In Northwest Argentina , Charles C. Porter
New Phycitiplex Porter (Hymenoptera, Ichneumonidae) From Subandean Desert In Northwest Argentina , Charles C. Porter
Insecta Mundi
Abstract. Six new species of Phycitiplex (P. obscurior, P. tricinctus, P. unicinctus, P. peralta, P. trichroma, and P. lepidus) are described from material taken by Malaise trap in a humid ravine at Santa Vera Cruz in the Subandean Desert (Monte) of La Rioja Province (Argentina). These are keyed along with several closely related described species. Except for P. eremnus from central Chile, this genus is known only from the semiarid Chaco and Subandean biogeographic provinces in the northern half of Argentina. The only available host record is of Phycitiplex doddi (Cushman) reared from larvae of Cactoblastis cactorum (Berg), …