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Articles 31 - 60 of 82
Full-Text Articles in Systems Biology
Sampling Terrestrial Arthropod Biodiversity: A Case Study In Arkansas, Michael Joseph Skvarla
Sampling Terrestrial Arthropod Biodiversity: A Case Study In Arkansas, Michael Joseph Skvarla
Graduate Theses and Dissertations
The Interior Highlands is a biodiversity hotspot, with at least 200 known endemic species, but is understudied compared to hotspots, such as the Southern Appalachians. In order to begin to rectify this issue, a nine month study was conducted from mid-March through early December at a 4 ha site at Steel Creek, Buffalo National River, in Newton County, Arkansas. Thirteen collecting methods were employed, including three colors of Lindgren funnel trap, five colors of pan trap, Malaise traps, canopy traps with upper and lower collectors, pitfall traps, and Berlese-Tullgren extraction of leaf litter, which resulted in the collection of 1311 …
Systematics Of Testudacarine Torrent Mites (Parasitengona: Torrenticolidae), Joseph Charles O'Neill
Systematics Of Testudacarine Torrent Mites (Parasitengona: Torrenticolidae), Joseph Charles O'Neill
Graduate Theses and Dissertations
Thirteen new species of Testudacarus (Torrenticolidae: Testudacarinae) are described, four species are redescribed, and the status of previously problematic species are addressed. For Testudacarinae this represents the first published: 1) descriptions from multiple specimens (therefore providing ranges); 2) colored photographs; 3) explicit illustrations and discussion of sexual dimorphism within the subfamily; 4) genetic data. A comprehensive literature review is also included.
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
Habitat Eradication And Cropland Intensification May Reduce Parasitoid Diversity And Natural Pest Control Services In Annual Crop Fields, D. K. Letourneau, Sara G. Bothwell Allen, Robert R. Kula, Michael J. Sharkey, John O. Stireman Iii
Habitat Eradication And Cropland Intensification May Reduce Parasitoid Diversity And Natural Pest Control Services In Annual Crop Fields, D. K. Letourneau, Sara G. Bothwell Allen, Robert R. Kula, Michael J. Sharkey, John O. Stireman Iii
Biological Sciences Faculty Publications
California’s central coast differs from many agricultural areas in the U.S., which feature large tracts of monoculture production fields and relatively simple landscapes. Known as the nation’s salad bowl, and producing up to 90% of U.S. production of lettuces, broccoli and Brussels sprouts, this region is a mosaic of fresh vegetable fields, coastal meadow, chaparral shrubs, riparian and woodland habitat. We tested for relationships between the percent cover of crops, riparian and other natural landscape vegetation and the species richness of parasitic wasps and flies foraging in crops, such as broccoli, kale and cauliflower, and interpreted our results with respect …
Continuing Progress Towards A Phylogeny Of Tachinidae, John O. Stireman Iii, James E. O'Hara, John K. Moulton, Pierfilippo Cerretti, Isaac S. Winkler, Jeremy D. Blaschke, Z. L. Burington
Continuing Progress Towards A Phylogeny Of Tachinidae, John O. Stireman Iii, James E. O'Hara, John K. Moulton, Pierfilippo Cerretti, Isaac S. Winkler, Jeremy D. Blaschke, Z. L. Burington
Biological Sciences Faculty Publications
Readers of this newsletter are likely familiar with our ongoing project to establish a framework phylogeny of world Tachinidae (see articles in The Tachinid Times 26 and 27). This collaborative project, involving myself, Jim O’Hara, Kevin Moulton, Pierfilippo Cerretti, Isaac Winkler and a long list of collaborating tachinidophiles was initiated in 2012 with funding from the U.S. National Science Foundation. Our goal is to produce a robust phylogenetic framework of Tachinidae that can be used to inform tachinid taxonomy, systematics research, and the patterns of tachinid evolution. In previous issues of The Tachinid Times we summarized our progress to date …
A New Species And Synonymy Of The Neotropical Eucelatoria Townsend And Redescription Of Myiodoriops Townsend, Diego J. Inclán, John O. Stireman Iii
A New Species And Synonymy Of The Neotropical Eucelatoria Townsend And Redescription Of Myiodoriops Townsend, Diego J. Inclán, John O. Stireman Iii
Biological Sciences Faculty Publications
The New World tropics represents the most diverse region for tachinid parasitoids (Diptera: Tachinidae), but it also contains the most narrowly defined, and possibly the most confusing, tachinid genera of any biogeographic region. This over-splitting of genera and taxonomic confusion has limited progress toward our understanding the family in this region and much work is needed to revise, redefine, and make sense of the profusion of finely split taxa. In a recent analysis of the Neotropical genus Erythromelana Townsend, two species previously assigned to this genus, Euptilodegeeria obumbrata (Wulp) and Myiodoriops marginalis Townsend were reinstated as monotypic genera. In the …
White Fringetree, Chionanthus Virginicus, As A Novel Larval Host For Emerald Ash Boer, Don Cipollini
White Fringetree, Chionanthus Virginicus, As A Novel Larval Host For Emerald Ash Boer, Don Cipollini
Biological Sciences Faculty Publications
Emerald ash borer is an invasive Asian pest of ash species in North America. All North American species of ash tested so far are susceptible to it, but there are no published reports of this insect developing fully in non-ash hosts in the field in North America. I report here evidence that EAB can attack and complete development in white fringetree, Chionanthus virginicus L., a species native to the southeastern U.S. that is also planted ornamentally.
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
Progress Towards A Molecular Phylogeny Of Tachinidae, Year Two, Isaac S. Winkler, John O. Stireman Iii, John K. Moulton, Pierfilippo Cerretti, Jeremy D. Blaschke
Progress Towards A Molecular Phylogeny Of Tachinidae, Year Two, Isaac S. Winkler, John O. Stireman Iii, John K. Moulton, Pierfilippo Cerretti, Jeremy D. Blaschke
Biological Sciences Faculty Publications
We reported last year (Stireman et al. 2013) in The Tachinid Times on our collaborative project, funded by the U.S. National Science Foundation, to study the phylogeny of Tachinidae on a worldwide scale. Since that report, we have made some significant progress towards our goal of assembling a robust phylogenetic tree for Tachinidae. Notably, Cerretti et al. (in press) completed a phylogenetic study using 135 morphological characters from 180 tachinid genera. Results from this study largely reflect, with some interesting exceptions, what we are finding from preliminary analyses of our molecular data. Although sampling of taxa and genes for the …
Chasing Tachinids ‘Down Under’: Expeditions Of The Phylogeny Of World Tachinidae Project, Part Ii Eastern Australia, James E. O'Hara, Pierfilippo Cerretti, John O. Stireman Iii, Isaac S. Winkler
Chasing Tachinids ‘Down Under’: Expeditions Of The Phylogeny Of World Tachinidae Project, Part Ii Eastern Australia, James E. O'Hara, Pierfilippo Cerretti, John O. Stireman Iii, Isaac S. Winkler
Biological Sciences Faculty Publications
Last year we documented in the pages of this newsletter an expedition to the Western Cape of South Africa in search of tachinids for the “Phylogeny of World Tachinidae” project (Cerretti et al. 2013). The project itself was discussed in a separate article (Stireman et al. 2013). In this issue of The Tachinid Times we discuss our expedition to eastern Australia in late 2013. This trip took place so recently that we have yet to fully identify our material and as a result cannot record here all of the taxa we collected. Instead, we will add the taxa to a …
Native Insect Herbivory Limits Population Growth Rate Of A Non-Native Thistle, James O. Eckberg, Brigitte Tenhumberg, Svata M. Louda
Native Insect Herbivory Limits Population Growth Rate Of A Non-Native Thistle, James O. Eckberg, Brigitte Tenhumberg, Svata M. Louda
Brigitte Tenhumberg Papers
The influence of native fauna on non-native plant population growth, size, and distribution is not well documented. Previous studies have shown that native insects associated with tall thistle (Cirsium altissimum) also feed on the leaves, stems, and flower heads of the Eurasian congener Cirsium vulgare, thus limiting individual plant performance. In this study, we tested the effects of insect herbivores on the population growth rate of C. vulgare. We experimentally initiated invasions by adding seeds at four unoccupied grassland sites in eastern Nebraska, USA, and recorded plant establishment, survival, and reproduction. Cumulative foliage and floral herbivory …
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
Progress Towards A Phylogeny Of World Tachinidae. Year 1, John O. Stireman Iii, James E. O'Hara, Michael C. Moulton, Pierfilippo Cerretti, Isaac S. Winkler
Progress Towards A Phylogeny Of World Tachinidae. Year 1, John O. Stireman Iii, James E. O'Hara, Michael C. Moulton, Pierfilippo Cerretti, Isaac S. Winkler
Biological Sciences Faculty Publications
D eveloping a structural phylogenetic framework for the family Tachinidae has been an interest of mine since I first started working on tachinids as a graduate student. It was then that I developed a new phylogenetic perspective with which to view the world, and many of the questions I wanted to ask of tachinids depended on some level of phylogenetic knowledge of them. I was surprised at the time that no one had attempted a broad quantitative phylogenetic analysis of the family, and a publication from my thesis work on the Exoristinae (Stireman 2002) became the first such study that …
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
A Preliminary Study Of The Diversity And Temporal Patterns Of Abundance Of Tachinidae In Southwestern Ohio, Diego J. Inclán, John O. Stireman Iii
A Preliminary Study Of The Diversity And Temporal Patterns Of Abundance Of Tachinidae In Southwestern Ohio, Diego J. Inclán, John O. Stireman Iii
Biological Sciences Faculty Publications
Although tachinids are one of the most diverse families of Diptera (Irwin et al. 2003) and represent the largest group of non-hymenopteran parasitoids (Belshaw 1994), the ecology of most species in the family is poorly known. Most of the studies that have focused on tachinids are related to taxonomic descriptions. Currently, our knowledge is very limited in terms of the diversity and distribution of populations across time and space, especially in the Nearctic and Neotropical Regions (Stireman 2008). There have been a number of recent studies focused on diversity and temporal distributions of tachinids in the Palaearctic Region such as …
Tthe Immature Stages And Natural History Of Antirrhea Adoptiva Porphyrosticta (Watkins, 1928) In Eastern Ecuador (Lepidoptera, Nymphalidae, Morphinae), Harold F. Greeney, Philip J. Devries, Carla M. Penz, Rafael B. Granizo-T, Heidi Connahs, John O. Stireman Iii, Thomas R. Walla, Lee A. Dyer
Tthe Immature Stages And Natural History Of Antirrhea Adoptiva Porphyrosticta (Watkins, 1928) In Eastern Ecuador (Lepidoptera, Nymphalidae, Morphinae), Harold F. Greeney, Philip J. Devries, Carla M. Penz, Rafael B. Granizo-T, Heidi Connahs, John O. Stireman Iii, Thomas R. Walla, Lee A. Dyer
Biological Sciences Faculty Publications
Here we describe the immature stages and ecological associations of Antirrhea adoptiva porphyrosticta Watkins, 1928 (Lepidoptera:Nymphalidae:Morphinae). The cloud forest bamboo, Chusquea scandens Kunth (Bambusoidea: Poaceae), serves as the larval food plant for this butterfly in eastern Ecuador, the first hostplant record for Antirrhea outside the family Arecaceae. The larvae of A. adoptiva porphyrosticta are superficially similar to those of other Antirrhea species. We also provide observations on adult and larval behavior. Caterpillars of this butterfly species are parasitized by tachinid flies, as well as by Ichneumonidae and a newly described braconid wasp.
Species Richness And Host Associations Of Lepidoptera-Attacking Tachinidae In The Northeast Ecuadorian Andes, John O. Stireman Iii, Harold F. Greeney, Lee A. Dyer
Species Richness And Host Associations Of Lepidoptera-Attacking Tachinidae In The Northeast Ecuadorian Andes, John O. Stireman Iii, Harold F. Greeney, Lee A. Dyer
Biological Sciences Faculty Publications
Most of the unknown biological diversity of macro-organisms remaining to be discovered and described lies in the tropical regions of the world and consists primarily of insects. Those insects with parasitoid lifestyles constitute a significant portion of insect diversity, yet parasitoids are among the most poorly known of major insect guilds in the humid tropics. Here we describe and analyze the richness of one diverse taxon of parasitoids, flies in the family Tachinidae, reared from Lepidoptera as part of a biological survey of Lepidoptera and their parasitoids in one mid-elevation (2000 m) area in the northeast Ecuadorian Andes. One hundred …
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
Tachinid Collecting In Southwest New Mexico And Arizona During The 2007 Nads Field Meeting, John O. Stireman Iii
Tachinid Collecting In Southwest New Mexico And Arizona During The 2007 Nads Field Meeting, John O. Stireman Iii
Biological Sciences Faculty Publications
The 2007 field meeting of the North American Dipterists Society (NADS) was held August 13–16 in southwestern New Mexico, centered in Silver City (at Western New Mexico University), and the surrounding Gila National Forest. This was the first NADS meeting that I have been able to attend, and I think I can speak for all in saying it was enjoyable, productive, and interesting; an overall success. A more detailed account and evaluation of this meeting is available in the 2007 Fly Times article (O’Hara 2007).
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
Preliminary Notes On Tachinidae Reared From Lepidoptera In The Ecuadorian Andes, John O. Stireman Iii
Preliminary Notes On Tachinidae Reared From Lepidoptera In The Ecuadorian Andes, John O. Stireman Iii
Biological Sciences Faculty Publications
Current estimates of the species richness of Tachinidae among geographical provinces suggest that the Neotropical Region harbors the largest number of species and represents a geographic epicenter of tachinid diversification (O’Hara 2006). The Neotropics boasts an impressive fauna consisting of 2864 described species belonging to 822 genera at the time of the Neotropical catalog (Guimarães 1971), making it almost twice as species rich as any other geographic realm (O’Hara 2006; Stireman et al. 2006). This diversity is most apparent at middle elevations (1000– 2000m) along the mountain chains of tropical Central and South America, where tachinids are an abundant and …
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
Phylogenetic Reconstruction Of Exoristinae Using Molecular Data: A Bayesian Re-Analysis, John O. Stireman Iii
Phylogenetic Reconstruction Of Exoristinae Using Molecular Data: A Bayesian Re-Analysis, John O. Stireman Iii
Biological Sciences Faculty Publications
A few years ago I published the results of a phylogenetic analysis of New World Exoristinae based on molecular data from two genes, 28S rDNA and Elongation Factor 1-alpha (Stireman 2002). In that study I employed parsimony, neighbor joining, and maximum likelihood inference methods to generate phylogenetic reconstructions, and explored a variety of weighting schemes and combinations of the sequence data (i.e. each gene separately and both together). The results of these analyses generally supported recent taxonomic hypotheses (e.g., Herting 1984; Wood 1987; O’Hara and Wood 2004). For example, Tachinidae and Exoristinae were reconstructed as monophyletic in most analyses, as …
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter, Peter M. Grant
The Mayfly Newsletter
The Mayfly Newsletter is the official newsletter of the Permanent Committee of the International Conferences on Ephemeroptera.