gerald fauske

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Pontificia Universidad Catolica de Valparaiso

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Papers by gerald fauske

Occurrence Of Onthophagus Nuchicornis (Coleoptera : Scarabaeidae) In North Dakota

Entomological News, 1999

Possible Mullerian mimicry of Galerucinae with Criocerinae (both Coleoptera: Chrysomelidae) and with Maepha opulenta (Lepidoptera: Arctiidae)

A survey of the bark and ambrosia beetles (Curculionidae: Scolytinae) of North Dakota

Occurrence of Hemileuca hera (Harris) (Saturniidae) in Nebraska, South Dakota, and North Dakota and Notes on its Natural History in the Great Plains

The Journal of the Lepidopterists' Society, 2021

ABSTRACT. This manuscript discusses new distribution records for Hemileuca hera (Harris) in the G... more ABSTRACT. This manuscript discusses new distribution records for Hemileuca hera (Harris) in the Great Plains states of Nebraska, South Dakota, and North Dakota. In addition to older museum records not previously mentioned in the literature, we report recently discovered populations in Nebraska and South Dakota. Also discussed are observations of life history patterns seen in the Great Plains populations of H. hera.

A List of the Lady Beetles (Coleoptera: Coccinellidae) of North Dakota with New Records from North Dakota and Minnesota

... Morton (Gordon, 1985:236, map [SW]; NDSIRC). Scymnus rubricaudus Casey. Dunn, Pembina,Ramsey ... more

New DNA markers reveal presence of Aphthona species (Coleoptera: Chrysomelidae) believed to have failed to establish after release into leafy spurge

Biological Control, 2009

Six species of Aphthona flea beetles from Europe have been introduced in North America for the pu... more Six species of Aphthona flea beetles from Europe have been introduced in North America for the purpose of controlling a noxious weed, leafy spurge (Euphorbia esula). In the years following the releases, five of the species have been recorded as being established at various locations. There is no evidence that the sixth species ever became established. A molecular marker key that can identify the DNA of the five established species is described. The key relies on restriction site differences found in PCR amplicons of a portion of the mitochondrial cytochrome oxidase I gene. Three restriction enzymes are required to separate the immature specimens which are not visually separable. Adults which can be quickly separated into the two black species and three brown species require only two restriction enzymes to resolve the species. Many of the original releases and relocations of the flea beetles used populations containing mixed species that were often not thoroughly characterized as to species. The markers showed the presence of two Aphthona species in North Dakota that were believed to have been absent from the state for the past decade. Without the marker assay these populations would probably have been overlooked.

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Mitochondrial DNA diversity and Wolbachia infection in the flea beetle Aphthona nigriscutis (Coleoptera: Chrysomelidae): An introduced biocontrol agent for leafy spurge

Biological Control, 2006

Aphthona nigriscutis is one of several species of Aphthona Xea beetles that have been introduced ... more Aphthona nigriscutis is one of several species of Aphthona Xea beetles that have been introduced into North America in an eVort to control the weed, leafy spurge (Euphorbia esula). It has been a very eVective biological control agent at some locations but not at others. Overall genetic diversity is one parameter that could have an eVect on Aphthona establishment at speciWc locations. We have examined the genetic diversity of mitochondrial DNA in populations of A. nigriscutis from several North American collection sites. The results indicate that the insects are divided into two mtDNA clades. About 78% of the individuals comprise a clade (A) that has little or no mtDNA diversity. The remaining insects in the other clade (B) display extensive diversity with 15 haplotypes observed. The two subpopulations coexist at most locations. The bacterial endosymbiont Wolbachia has been discovered in some individuals. About 86% of the individuals from mtDNA clade A tested positive for Wolbachia. Portions of the Wolbachia ftsZ and wspA genes were sequenced and the sequences have been shown to fall within the Wolbachia Supergroup A. None of the insects from clade B appear to be infected. The association of Wolbachia with one, but not both, mtDNA clades of A. nigriscutis may play a role in limiting genetic diversity within beetle populations.

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Butterfly Gardening in North Dakota

NDSu Extension Circular, 2004

A butterfly garden (Figure 1) is a flower garden designed to attract and retain butterflies. A su... more A butterfly garden (Figure 1) is a flower garden designed to attract and retain butterflies. A successful butterfly garden must have nectar sources and host food plants. Flowers provide food and water for adult butterflies in the form of nectar, and host plants provide food for growing caterpillars. The garden should contain a variety of flowers that will bloom throughout the season. Remember, the greater the variety of floral colors and plants, the greater the variety of butterflies that will visit your garden. Helpful hints in planning a butterfly garden

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The Hidden Benefits of Pollinator Diversity for the Rangelands of the Great Plains: Western Prairie Fringed Orchids as a Case Study

Rangelands, 2011

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Cutworm moths (Noctuidae : Noctuinae) of South Dakota

American describing cutworm moths. The dark-sided cutworm, Agrotis Euxoa messoria, and the stripe... more American describing cutworm moths. The dark-sided cutworm, Agrotis Euxoa messoria, and the striped cutworm; Agrotis Euxoa tessellata were described here. Achille Guenee's Species general des lepidopteres (1852a, b, c) was the first work dealing with American forms to use meso-tibial spining in defining the Noctuinae. Walker (1856a, b, 1857, 1865a, b) wrote 36 volumes of A catalogue of the Lepidoptera, Heterocera, in the collection of the British Museum. A great many species were described here but Walker's usage of names was not always precise. Euxoa •messoria (Harris) was described seven times between two genera; !tiXoa tessellata (Harris) five times between two genera. One of those genera; Mamestra Ochsenheimer, was at that time long established for hairy-eyed species (Hadeninae). Grote (1874d) published List of the •NoctUidae of North America which placed most of the then known species of cutworm moths in the Genus Agrotis. Use of the spined neso-tibiae as the main character of the group led to the inclusion of unrelated forms such as Adita chionanthi (J.

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Pollination of a threatened orchid by an introduced hawk moth species in the tallgrass prairie of North America

Biological Conservation, 2013

The decline of the threatened western prairie fringed orchid (Platanthera praeclara Sheviak and B... more The decline of the threatened western prairie fringed orchid (Platanthera praeclara Sheviak and Bowles) is associated with destruction of the tallgrass prairie in North America. The role of pollinators in conservation and recovery is not well understood. We studied interactions with hawk moth pollinators in one of the three remaining metapopulations of P. praeclara. In an experiment, plants exposed to moths showed three signs of visitation that were associated with production of seed capsules. Plants not exposed to moths failed to produce capsules. The signs of visitation were used to estimate visitation rates at field sites over a four-year period. A majority of plants were visited (89%) and most flowers receiving pollen produced a seed capsule (60%). We discovered two new native hawk moth pollinator species, Lintneria eremitus (Hübner) and Hyles lineata (Fabricius), giving a total of five pollinators for this P. praeclara metapopulation. Only one of the five species was found in each of the nine years of trapping. This was the sole non-native pollinator, Hyles euphorbiae L., a Eurasian species introduced to North America to control an invasive weed, leafy spurge (Euphorbia esula L.). Given that plants with a greater diversity of pollinators have reduced risk of extinction, conservation and recovery plans should expand the definition of suitable P. praeclara habitat to include resources required by native pollinators, including the host plants that feed hawk moth larvae and the nectar plants that feed hawk moth adults before and after the nectar provided by P. praeclara.

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Occurrence Of Onthophagus Nuchicornis (Coleoptera : Scarabaeidae) In North Dakota

Entomological News, 1999

Possible Mullerian mimicry of Galerucinae with Criocerinae (both Coleoptera: Chrysomelidae) and with Maepha opulenta (Lepidoptera: Arctiidae)

A survey of the bark and ambrosia beetles (Curculionidae: Scolytinae) of North Dakota

Occurrence of Hemileuca hera (Harris) (Saturniidae) in Nebraska, South Dakota, and North Dakota and Notes on its Natural History in the Great Plains

The Journal of the Lepidopterists' Society, 2021

A List of the Lady Beetles (Coleoptera: Coccinellidae) of North Dakota with New Records from North Dakota and Minnesota

... Morton (Gordon, 1985:236, map [SW]; NDSIRC). Scymnus rubricaudus Casey. Dunn, Pembina,Ramsey ... more

New DNA markers reveal presence of Aphthona species (Coleoptera: Chrysomelidae) believed to have failed to establish after release into leafy spurge

Biological Control, 2009

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Mitochondrial DNA diversity and Wolbachia infection in the flea beetle Aphthona nigriscutis (Coleoptera: Chrysomelidae): An introduced biocontrol agent for leafy spurge

Biological Control, 2006

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Butterfly Gardening in North Dakota

NDSu Extension Circular, 2004

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The Hidden Benefits of Pollinator Diversity for the Rangelands of the Great Plains: Western Prairie Fringed Orchids as a Case Study

Rangelands, 2011

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Cutworm moths (Noctuidae : Noctuinae) of South Dakota

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Pollination of a threatened orchid by an introduced hawk moth species in the tallgrass prairie of North America

Biological Conservation, 2013

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