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Articles 1 - 30 of 60
Full-Text Articles in Entomology
First Record Of Paratelenomus Saccharalis (Dodd, 1914) (Hymenoptera: Scelionidae) A Natural Enemy Of The Invasive Species Brachyplatys Subaeneus (Westwood, 1837) (Heteroptera: Plataspidae) In Panama And The Neotropical Region, Jean Carlos Abrego, José A. Rivera, Carelos Vargas H., Annette Garrido, Julio Gutiérrez L., Miguel A. Osorio-Arenas, Pedro A. Arauz L., Luis A. Jaén, Rubén Collantes G., Alonso Santos-Murgas
First Record Of Paratelenomus Saccharalis (Dodd, 1914) (Hymenoptera: Scelionidae) A Natural Enemy Of The Invasive Species Brachyplatys Subaeneus (Westwood, 1837) (Heteroptera: Plataspidae) In Panama And The Neotropical Region, Jean Carlos Abrego, José A. Rivera, Carelos Vargas H., Annette Garrido, Julio Gutiérrez L., Miguel A. Osorio-Arenas, Pedro A. Arauz L., Luis A. Jaén, Rubén Collantes G., Alonso Santos-Murgas
Insecta Mundi
Paratelenomus saccharalis (Dodd) (Hymenoptera: Scelionidae) parasitizing Brachyplatys subaeneus (Westwood) eggs is reported for the first time for Panama. Brachyplatys subaeneus is an invasive species from Asia and is regarded as an important agricultural pest in the Americas.
The family Plataspidae (Hemiptera: Heteroptera) contains 66 genera and 606 species described (Rider et al. 2018), all distributed in the Old World, with the greatest diversity in Asia and Africa. Within this family, the genus Brachyplatys Boisduval, 1835 (Heteroptera: Plataspidae) has an Asian distribution with about 50 described species. The species Brachyplatys subaeneus (Westwood, 1837) is distributed in the Indo-Malay biogeographic region, being …
Establishment Of Sinoxylon Anale Lesne (Coleoptera: Bostrichidae) In Brazil And Its Potential Implications, Luana De Souza Covre, Robert A. Hack, Carlos A.H. Flechtmann
Establishment Of Sinoxylon Anale Lesne (Coleoptera: Bostrichidae) In Brazil And Its Potential Implications, Luana De Souza Covre, Robert A. Hack, Carlos A.H. Flechtmann
Insecta Mundi
Bostrichidae (Coleoptera) are a family of beetles with specialized xylophagous feeding habits that allow consumption of dry woody plant tissues. Bostrichids are often polyphagous and therefore pose a significant threat to many agricultural and forestry products, particularly in tropical regions. Bostrichids are commonly detected in solid wood packaging material at international ports of entry. Notably, Sinoxylon anale Lesne has been intercepted in wood crates and pallets worldwide and has now become established in Brazil. This paper reports the first documented establishment of S. anale in Brazil, being found both in domestic wood pallets and within native forest and monoculture. The …
The Status Of Invasive Dusky Slug (Arion) Species In The Upper Great Lakes: A Molecular Approach, Olivia W. Hall
The Status Of Invasive Dusky Slug (Arion) Species In The Upper Great Lakes: A Molecular Approach, Olivia W. Hall
All NMU Master's Theses
I update the distribution of two cryptic slug species, Arion fuscus and Arion subfuscus, in the Upper Great Lakes of the United States using molecular identification methods. Arion fuscus has not previously been reported in the literature in this region, and Arion subfuscus has previously been reported as abundant. However, all previous distribution studies were determined using visual identification tools, which can result in misidentification between cryptic species. To molecularly re-examine these distribution maps, I used a mitochondrial ribosomal subunit 16S PCR amplification and subsequent SSpI and MfeI restriction enzyme digest to identify slug specimens. I collected slugs in …
An Annotated Checklist Of The Dung Beetles (Coleoptera: Geotrupidae And Scarabaeidae, Subfamilies Aphodiinae And Scarabaeinae) Of Oaxaca, Mexico, Burt Kohlmann, Alfonsina Arriaga-Jiménez, Eder F. Mora-Aguilar
An Annotated Checklist Of The Dung Beetles (Coleoptera: Geotrupidae And Scarabaeidae, Subfamilies Aphodiinae And Scarabaeinae) Of Oaxaca, Mexico, Burt Kohlmann, Alfonsina Arriaga-Jiménez, Eder F. Mora-Aguilar
Insecta Mundi
Abstract. A checklist of the dung beetles (Coleoptera: Geotrupidae; Scarabaeidae: Aphodiinae and Scarabaeinae) of Oaxaca, Mexico, is presented for the first time. The checklist contains 252 taxa, 15 Geotrupidae, 77 Aphodiinae, and 160 Scarabaeinae. The state includes 58 genera and 15 tribes, where Onthophagus is the most species-rich genus with 49 taxa, followed by Ataenius with 22, Canthon with 17 and Phanaeus with 15 taxa. Valid names, as well as synonyms, are provided. First records, notes on presently recognized species, nomenclatural problems, and biodiversity comparisons are included. Phanaeus dionysius Kohlmann, Arriaga-Jiménez and Rös, 2018 (Coleoptera: Scarabaeidae: Scarabaeinae) is re-established as …
Whiteflies (Hemiptera: Aleyrodidae) Intercepted On Plant Product Imported To South Korea From 2013–2021, Suhyeon Lee, Soo-Jung Suh
Whiteflies (Hemiptera: Aleyrodidae) Intercepted On Plant Product Imported To South Korea From 2013–2021, Suhyeon Lee, Soo-Jung Suh
Insecta Mundi
Current globalization and technological progress has facilitated and increased the international trade of plant products worldwide and has promoted the long-distance movement of immobile sucking pests such as whiteflies attached on plants. Therefore, being able to compile and update information on intercepted insect pests will help to improve the inspection procedures, to detect, identify and mitigate the damage caused by exotic invasive pests. Records of whiteflies (Hemiptera: Aleyrodidae) intercepted on import plants from 2013 to 2021 in the Pest Information System (PIS) database of South Korea were analyzed. A total of 32 species belonging to 19 genera were intercepted on …
Natural History Of Cassida Sphaerula Boheman, 1854 (Coleoptera: Chrysomelidae: Cassidinae: Cassidini) On Arctotheca Prostrata (Salisb.) Britten (Asteraceae: Arctotidinae) In South Africa, With A Checklist Of South African Cassidinae (Leaf-Mining And Tortoise Beetles), Sally Adam, Mariana Campos, Hugh D.C. Heron, C. L. Staines, Rob Westerduijn, Caroline Simmrita Chaboo
Natural History Of Cassida Sphaerula Boheman, 1854 (Coleoptera: Chrysomelidae: Cassidinae: Cassidini) On Arctotheca Prostrata (Salisb.) Britten (Asteraceae: Arctotidinae) In South Africa, With A Checklist Of South African Cassidinae (Leaf-Mining And Tortoise Beetles), Sally Adam, Mariana Campos, Hugh D.C. Heron, C. L. Staines, Rob Westerduijn, Caroline Simmrita Chaboo
Insecta Mundi
The tortoise beetle, Cassida sphaerula Boheman, 1854 (Coleoptera: Chrysomelidae: Cassidinae: Cassidini) is endemic to South Africa. Its endemic host, Arctotheca prostrata (Salisb.) Britten (Asteraceae) has been introduced in other countries where it is becoming invasive. Cassida sphaerula could provide a potential biocontrol of Arctotheca weeds as it spends the entire life cycle on this host. An intensive field study, with rearing, photography, and short films of C. sphaerula was conducted in its native habitat to document the life cycle. A checklist of Cassidinae genera in South Africa, along with 19 new host records for Cassidini species in South Africa are …
Economic Implications Of The Mexican Fruit Fly Infestation In Texas, Samuel D. Zapata
Economic Implications Of The Mexican Fruit Fly Infestation In Texas, Samuel D. Zapata
The Journal of Extension
The Texas citrus industry is threatened by the presence of Mexican fruit fly. The objective of this study was to estimate the economic losses caused by this invasive pest. Economic impact is estimated in terms of loss in revenue and increase in operating costs. Under current quarantined areas and pest management strategies, the Texas citrus industry could experience an annual economic loss of $5.79 million. The analysis was extended to evaluate the economic impact associated with different quarantined area scenarios. This article can be used to increase awareness and adapted to estimate the economic impact of emerging invasive pest outbreaks.
Identification Of A Potential Pathway Of The Exotic Black Weevil (Coleoptera: Curculionidae) In South Korea, Sohee Kim, Seon Woo Lee, Soo-Jung Suh
Identification Of A Potential Pathway Of The Exotic Black Weevil (Coleoptera: Curculionidae) In South Korea, Sohee Kim, Seon Woo Lee, Soo-Jung Suh
Insecta Mundi
The black weevil, Aclees taiwanensis Kôno (Coleoptera: Curculionidae), is one of the primary pests of fig trees in southeastern Asia and southern Europe. Thought to be of subtropical and tropical Asian origin, including China, the weevil was first found in southern areas of South Korea in July 2020. Subsequently, it was found in the following five cities: Haenam, Hampyeong, Jindo, Sinan, and Tongyeong (RDA 2020). Attempts to trace a possible pathway for the exotic black weevil suggested that this species probably followed pathways of illegal importation of infested plants from Taiwan and was unintentionally introduced into South Korea based on …
Non-Native Non-Apis Bees Are More Abundant On Non-Native Versus Native Flowering Woody Landscape Plants, Daniel A. Potter, Bernadette M. Mach
Non-Native Non-Apis Bees Are More Abundant On Non-Native Versus Native Flowering Woody Landscape Plants, Daniel A. Potter, Bernadette M. Mach
Entomology Faculty Publications
Urban ecosystems can support diverse communities of wild native bees. Because bloom times are conserved by geographic origin, incorporating some non-invasive non-native plants in urban landscapes can extend the flowering season and help support bees and other pollinators during periods when floral resources from native plants are limiting. A caveat, though, is the possibility that non-native plants might disproportionately host non-native, potentially invasive bee species. We tested that hypothesis by identifying all non-native bees among 11,275 total bees previously collected from 45 species of flowering woody landscape plants across 213 urban sites. Honey bees, Apis mellifera L., accounted for 22% …
Behavior And Chemical Signals As Markers Of Colony Identification In Argentine Ants (Linepithema Humile), Stephanie A. Rohrbach
Behavior And Chemical Signals As Markers Of Colony Identification In Argentine Ants (Linepithema Humile), Stephanie A. Rohrbach
Electronic Theses and Dissertations
Argentine ants, Linepithema humile, are a highly successful invasive species around the globe and are especially prominent in states such as California and the southeastern United States. L.humile have a unique form of unicoloniality, called “supercolonies”. L. humile can detect colonymates through scent markers in their outer cuticle. With these chemical markers, ants will exhibit high aggression if they smell different from one another. In our study, we performed aggression assays among ten different nest sites and analyzed their CHCs through gas chromatography mass spectrometry, or GC-MS, analysis. For our behavior results, while within-nest interactions displayed low aggression as …
American Burying Beetle, Plant Richness, And Soil Property Responses To Collapse Of Juniperus Virginiana Woodlands With Fire, Alison Ludwig
American Burying Beetle, Plant Richness, And Soil Property Responses To Collapse Of Juniperus Virginiana Woodlands With Fire, Alison Ludwig
Department of Agronomy and Horticulture: Dissertations, Theses, and Student Research
Grasslands are declining in the Great Plains due to land use changes, woody plant encroachment, and loss of historic fire cycles. Prescribed burn associations have utilized prescribed fire to collapse invading woodlands and allow the restoration of grasslands. This fire is considered “extreme” because it is capable of changing the structure and function of an ecosystem. Our study site is the Loess Canyons Experimental Landscape, a long-term, ecoregion-scale experiment to apply prescribed fire across the region to restore grasslands. The Nebraska Natural Legacy Project established the Loess Canyons ecoregion as a Biologically-Unique Landscape in 2005 with the state’s wildlife action …
Geocaching: A New Instructional Tool For Natural Resources Extension And Outreach, Jacob Smith, Dave Coyle, John Thomason, Todd Matthews, John J. Riggins
Geocaching: A New Instructional Tool For Natural Resources Extension And Outreach, Jacob Smith, Dave Coyle, John Thomason, Todd Matthews, John J. Riggins
The Journal of Extension
Nonnative pests and pathogens severely affect forest health and are often spread in firewood. Our objectives were to create an extension education program using “Don’t Move Firewood”-themed geocaches and travel bugs which were placed near campgrounds across Mississippi, and to assess the efficiency and effectiveness of this outreach method. Interactions with caches and travel bugs were monitored over nearly one year and summarized to provide a measure of outreach success. With a one-time per-unit cost of $45.95 for caches and $6.75 for travel bugs, these tools provide ongoing, cost-effective educational approaches well suited to augment existing or launch new outreach …
Interspersed Denuded Zone (Idz): How Patchy Leaf Litter Dynamics In A Buckthorn-Invaded Urban Woodland Can Affect Microarthropod Species Richness, Angela Stenberg
Interspersed Denuded Zone (Idz): How Patchy Leaf Litter Dynamics In A Buckthorn-Invaded Urban Woodland Can Affect Microarthropod Species Richness, Angela Stenberg
DePaul Discoveries
Biodiversity loss may serve as a key diagnostic of the Anthropocene. An important driver of this loss is by means of invasive species. In this study of a forest preserve in Chicago, Illinois we examined Interspersed Denuded Zones (IDZs for short), which are areas of patchy leaf litter in invaded forests caused in this case by the rapid decomposition of litter from buckthorn (Rhamnus cathartica). We characterized the leaf litter mass in IDZs and enumerated litter-inhabiting microarthropod populations. We found that plots of high buckthorn density are associated with IDZs: there was significantly less leaf litter mass in …
Recent Advances Toward The Sustainable Management Of Invasive Xylosandrus Ambrosia Beetles, Antonio Gugliuzzo, Peter H.W. Biedermann, Daniel Carrillo, Louela A. Castrillo, James P. Egonyu, Diego Gallego, Khalid Haddi, Jiri Hulcr, Hervé Jactel, Hisashi Kajimura, Naoto Kamata, Nicolas Meurisse, You Li, Jason B. Oliver, Christopher M. Ranger, Davide Rassati, Lukasz L. Stelinski, Roanne Sutherland, Giovanna Tropea Garzia, Mark G. Wright, Antonio Biondi
Recent Advances Toward The Sustainable Management Of Invasive Xylosandrus Ambrosia Beetles, Antonio Gugliuzzo, Peter H.W. Biedermann, Daniel Carrillo, Louela A. Castrillo, James P. Egonyu, Diego Gallego, Khalid Haddi, Jiri Hulcr, Hervé Jactel, Hisashi Kajimura, Naoto Kamata, Nicolas Meurisse, You Li, Jason B. Oliver, Christopher M. Ranger, Davide Rassati, Lukasz L. Stelinski, Roanne Sutherland, Giovanna Tropea Garzia, Mark G. Wright, Antonio Biondi
Agricultural and Environmental Sciences Faculty Research
We provide an overview of both traditional and innovative control tools for management of three Xylosandrus ambrosia beetles (Coleoptera: Curculionidae: Scolytinae), invasive species with a history of damage in forests, nurseries, orchards and urban areas. Xylosandrus compactus, X. crassiusculus and X. germanus are native to Asia, and currently established in several countries around the globe. Adult females bore galleries into the plant xylem inoculating mutualistic ambrosia fungi that serve as food source for the developing progeny. Tunneling activity results in chewed wood extrusion from entry holes, sap outflow, foliage wilting followed by canopy dieback, and branch and trunk necrosis. Maintaining …
Sirex Nigricornis (Hymenoptera: Siricidae) Larval Development Correlated With Tree Characteristics And Ophiostomoid Fungal Infection, Jess Hartshorn, Larry D. Galligan, Fred Stephen
Sirex Nigricornis (Hymenoptera: Siricidae) Larval Development Correlated With Tree Characteristics And Ophiostomoid Fungal Infection, Jess Hartshorn, Larry D. Galligan, Fred Stephen
The Great Lakes Entomologist
The native North American wood wasp, Sirex nigricornis F., has received significant attention over the last several years due to the introduction and successful establishment of the European wood wasp, S. noctilio L. in eastern North America. Larval size and development of S. nigricornis are important variables that can help to compare demography of the two species and predict future interactions. We measured head capsule width, body length, and weight of S. nigricornis larvae removed from 14 pine trees, felled across the Ozark and Ouachita National Forests of Arkansas in 2012. We also recorded the height at which larvae were …
The Probability Of Spotted Lanternfly, Lycorma Delicatula (Hemiptera: Fulgoridae), Escape Differs Among Life Stages And Between Two Trapping Techniques Commonly Used By Landowners, Sticky Bands And Duct Tape., Matthew Desko, Carolyne Schiebel, Samantha Silverman, Jessica Bickel, Karen Felton, Jennifer L. Chandler
The Probability Of Spotted Lanternfly, Lycorma Delicatula (Hemiptera: Fulgoridae), Escape Differs Among Life Stages And Between Two Trapping Techniques Commonly Used By Landowners, Sticky Bands And Duct Tape., Matthew Desko, Carolyne Schiebel, Samantha Silverman, Jessica Bickel, Karen Felton, Jennifer L. Chandler
The Great Lakes Entomologist
The invasive Lycorma delicatula (White) was first identified in Pennsylvania, U.S.A. in 2014, and has since increased its range to several Eastern states. Lycorma delicatula pose a serious threat to many native species, including hardwoods and grapes, and land owners are continually seeking effective traps to control populations. Both commercially-produced Web-Cote brand sticky bands and less expensive duct tape are often used by land owners to trap L. delicatula. However, the probability of escape from these adhesives has not been formally assessed, and almost certainly differs as a function of life stage and type of adhesive used. The purpose …
Occurrence Status Of The Fall Armyworm (Lepidoptera: Noctuidae) In South Korea, Soo-Jung Suh, Deuk-Soo Choi, Sol-Moon Na
Occurrence Status Of The Fall Armyworm (Lepidoptera: Noctuidae) In South Korea, Soo-Jung Suh, Deuk-Soo Choi, Sol-Moon Na
Insecta Mundi
To respond to the growing risk from Spodoptera frugiperda (J.E. Smith), the migratory fall armyworm (Lepidoptera: Noctuidae), the National Fall Armyworm Surveillance Program (NFASP) for early detection for this pest ran from April to November during 2019 and 2020. The fall armyworm surveillance program involved seasonal monitoring of the pest with pheromone traps placed in fields of cereal crops at high-risk locations. The trapping season ran from early spring to late autumn, with a total deployment of 396 traps. During the survey of 2019 to 2020, a total of 120 male adults of S. frugiperda were captured in these …
Response Of Forest Birds To Spotted Wing Drosophila (Drosophila Suzukii Matsumura), A Novel Invasive Fruit Pest, At Allegheny National Forest, Daniel P. Roche
Response Of Forest Birds To Spotted Wing Drosophila (Drosophila Suzukii Matsumura), A Novel Invasive Fruit Pest, At Allegheny National Forest, Daniel P. Roche
Graduate Theses, Dissertations, and Problem Reports
Non-native invasive insect pests can have dramatic impacts on native ecosystems, feeding on plant foliage, wood, or sap. Little is known, however, about how fruit-targeting NNIIPs may affect native ecosystems. Spotted wing Drosophila (Drosophila suzukii Matsumura, SWD) is a recently introduced invasive vinegar fly that parasitizes the fruits of many plant species in the United States. While its activity in agricultural systems is well-documented, little is known about its activity in forest ecosystems, despite growing evidence of its presence and parasitism of fruits there. Parasitism could reduce fruit attractiveness for vertebrate fruit consumers, including migratory birds. As such, this …
First Report Of Brachyplatys Subaeneus (Westwood) (Hemiptera: Heteroptera: Plataspidae) In The United States, Joseph E. Eger Jr., Adam J. Pitcher, Susan E. Halbert, Cory Penca, Amanda C. Hodges
First Report Of Brachyplatys Subaeneus (Westwood) (Hemiptera: Heteroptera: Plataspidae) In The United States, Joseph E. Eger Jr., Adam J. Pitcher, Susan E. Halbert, Cory Penca, Amanda C. Hodges
Insecta Mundi
Brachyplatys subaeneus (Westwood) (Hemiptera: Plataspidae), is reported from Miami Beach, FL, the first report from the United States. It was noticed first on a photo-sharing site (iNaturalist) providing an example of the importance of these sites for helping to track introduced species. Information on distribution, host plants and potential spread are provided along with photos and taxonomic characters to assist with identification of this recently introduced species.
ZooBank registration. urn:lsid:zoobank.org:pub:332C0E76-9AE9-4069-9240-F55CADC64165
Comparison Of Native And Non-Native Predator Consumption Rates And Prey Avoidance Behavior In North America And Europe, Ayse Gül Ünlü, John J. Obrycki, Roman Bucher
Comparison Of Native And Non-Native Predator Consumption Rates And Prey Avoidance Behavior In North America And Europe, Ayse Gül Ünlü, John J. Obrycki, Roman Bucher
Entomology Faculty Publications
Novel predator–prey interactions can contribute to the invasion success of non-native predators. For example, native prey can fail to recognize and avoid non-native predators due to a lack of co-evolutionary history and cue dissimilarity with native predators. This might result in a competitive advantage for non-native predators. Numerous lady beetle species were globally redistributed as biological control agents against aphids, resulting in novel predator–prey interactions. Here, we investigated the strength of avoidance behavior of the pea aphid (Acyrthosiphon pisum) toward chemical cues of native lady beetles and non-native Asian Harmonia axyridis and European Coccinella septempunctata and Hippodamia variegata …
First Records Of Megachile Apicalis (Hymenoptera: Megachilidae) For Illinois Found In Heavily Urbanized Areas Within The City Of Chicago, Andrea M. Gruver, Paul J. Caradonna
First Records Of Megachile Apicalis (Hymenoptera: Megachilidae) For Illinois Found In Heavily Urbanized Areas Within The City Of Chicago, Andrea M. Gruver, Paul J. Caradonna
The Great Lakes Entomologist
We provide the first record of the non-native Megachile apicalis Spinola (Hymenoptera: Megachilidae) in Illinois. Thirty Megachile apicalis specimens were collected in the summer of 2018 in a highly urban area of Chicago, IL, USA. Our findings suggest that the range of Megachile apicalis appears to be rapidly expanding across North America, inward from both the East and Western Coasts. Megachile apicalis in Chicago has a broad activity period, can take advantage of abundant non-native floral food resources, and has competitive nesting behavior, all of which may facilitate its successful establishment in disturbed urban environments, as well as its continued …
Ecology Of The Roseau Cane Scale (Nipponaclerda Biwakoensis, Hemiptera: Aclerdidae) In Coastal Louisiana, Leslie Alejandra Aviles Lopez
Ecology Of The Roseau Cane Scale (Nipponaclerda Biwakoensis, Hemiptera: Aclerdidae) In Coastal Louisiana, Leslie Alejandra Aviles Lopez
LSU Master's Theses
Common reed, Phragmites australis, is the dominant plant in the Mississippi River Delta (MRD), Louisiana. Phragmites australis stands reduce soil erosion from wave action, protect the oil infrastructure, and freshwater habitats. In the fall of 2016, widespread reed die-backs in the MRD were associated with outbreaks of an invasive scale Nipponaclerda biwakoensis (Hemiptera: Aclerdidae). Due to the recent detection of the scale, there was limited knowledge of its ecology in the adventive range, and its impacts on P. australis lineages. Therefore, the objectives of my thesis were to determine (1) the host specificity of the N. biwakoensis in important economic …
Invasive Paper Wasp Turns Urban Pollinator Gardens Into Ecological Traps For Monarch Butterfly Larvae, Adam M. Baker, Daniel A. Potter
Invasive Paper Wasp Turns Urban Pollinator Gardens Into Ecological Traps For Monarch Butterfly Larvae, Adam M. Baker, Daniel A. Potter
Entomology Faculty Publications
Invasive species can be particularly disruptive when they intersect with organisms of conservation concern. Stabilizing the declining eastern migratory population of monarch butterflies (Danaus plexippus) is projected to require extensive habitat restoration across multiple land use sectors including metropolitan areas. Numerous conservation programs encourage urban citizens to plant gardens with milkweeds, the obligate larval host plants of the monarch. Here, we show that predation by Polistes dominula, an invasive paper wasp that is particularly abundant in urban settings, can turn such sites into ecological traps for monarch larvae. Polistes dominula was the predominant paper wasp seen foraging …
First Records Of The Adventive Pseudoanthidium Nanum (Mocsáry) (Hymenoptera: Megachilidae) In Illinois And Minnesota, With Notes On Its Identification And Taxonomy, Zachary M. Portman, Skyler J. Burrows, Terry Griswold, Mike Arduser, Aaron J. Irber, Rebecca K. Tonietto, Daniel P. Cariveau
First Records Of The Adventive Pseudoanthidium Nanum (Mocsáry) (Hymenoptera: Megachilidae) In Illinois And Minnesota, With Notes On Its Identification And Taxonomy, Zachary M. Portman, Skyler J. Burrows, Terry Griswold, Mike Arduser, Aaron J. Irber, Rebecca K. Tonietto, Daniel P. Cariveau
The Great Lakes Entomologist
We report the first records of Pseudoanthidium nanum (Mocsáry) in Illinois and Minnesota in 2016 and 2018, respectively. This represents a relatively rapid expansion since P. nanum was first detected in New Jersey in 2008. In order to help monitor the spread of this bee, we provide information on how to identify P. nanum and provide images of the general habitus, diagnostic features, and male genitalia. Finally, we confirm the taxonomic identity of P. nanum in the United States and highlight potential impacts on native anthidiines.
The Palearctic Flea Beetle Epitrix Pubescens (Koch) (Coleoptera: Chrysomelidae: Galerucinae: Alticini) Established In North America, Anthony M. Deczynski
The Palearctic Flea Beetle Epitrix Pubescens (Koch) (Coleoptera: Chrysomelidae: Galerucinae: Alticini) Established In North America, Anthony M. Deczynski
Insecta Mundi
The Palearctic flea beetle Epitrix pubescens (Koch) (Coleoptera: Chrysomelidae: Galerucinae: Alticini) is reported as established in North America. It is recorded in the United States from Illinois, Massachusetts, New Hampshire, New York, Oregon, and Wisconsin, and in Canada from the Provinces of Nova Scotia, Ontario, and Quebec. The oldest records are from 1975. The species has been reported feeding on Solanum dulcamara L. (Solanaceae). Full distributional information and reference photos for identification are provided. Epitrix pubescens may have avoided detection for such a long time due to its size, difficulty of identification, and affinity for a weed rather than agricultural …
Pentatomidae (Hemiptera: Heteroptera: Pentatomidae) Captured On Purple Prism Traps Deployed For Detection Of Emerald Ash Borer (Agrilus Planipennis) (Coleoptera: Buprestidae) In Minnesota, Daniela T. Pezzini, Mitch Haag, James Walker, Robert L. Koch
Pentatomidae (Hemiptera: Heteroptera: Pentatomidae) Captured On Purple Prism Traps Deployed For Detection Of Emerald Ash Borer (Agrilus Planipennis) (Coleoptera: Buprestidae) In Minnesota, Daniela T. Pezzini, Mitch Haag, James Walker, Robert L. Koch
The Great Lakes Entomologist
The observation of bycatch from insect trapping programs, though often considered bothersome, may hold value for ecological and taxonomic studies. In Minnesota, a large trapping survey consisting of pheromone-baited purple prism traps, has been conducted for early detection of Agrilus planipennis, the emerald ash borer. Stink bugs (Heteroptera: Pentatomidae), which are pests of increasing importance in the North Central U.S., were observed to be captured by these traps. The objective of this study was to use trap bycatch from the A. planipennis traps for further documentation of the abundance and diversity of Pentatomidae in Minnesota. In 2011 and 2012, 4,401 …
Japanese Beetles’ Feeding On Milkweed Flowers May Compromise Efforts To Restore Monarch Butterfly Habitat, Adam M. Baker, Daniel A. Potter
Japanese Beetles’ Feeding On Milkweed Flowers May Compromise Efforts To Restore Monarch Butterfly Habitat, Adam M. Baker, Daniel A. Potter
Entomology Faculty Publications
The eastern North American migratory population of monarch butterflies (Danaus plexippus) is in serious decline. Habitat restoration, including adding millions of host plants to compensate for loss of milkweed in US cropland, is a key part of the international conservation strategy to return this iconic butterfly to sustainable status. We report here that Popillia japonica, a polyphagous, invasive beetle, aggregates and feeds on flowers of Asclepias syriaca, the monarch’s most important larval food plant, reducing fruiting and seed set by >90% and extensively damaging milkweed umbels in the field. The beetle’s ongoing incursion into the monarch’s …
Reference Gene Selection For Rt-Qpcr Analysis In Harmonia Axyridis, A Global Invasive Lady Beetle, Xiaowei Yang, Huipeng Pan, Ling Yuan, Xuguo Zhou
Reference Gene Selection For Rt-Qpcr Analysis In Harmonia Axyridis, A Global Invasive Lady Beetle, Xiaowei Yang, Huipeng Pan, Ling Yuan, Xuguo Zhou
Entomology Faculty Publications
Harmonia axyridis is a voracious predator, a biological control agent, and one of the world most invasive insect species. The advent of next-generation sequencing platforms has propelled entomological research into the genomics and post-genomics era. Real-time quantitative PCR (RT-qPCR), a primary tool for gene expression analysis, is a core technique governs the genomic research. The selection of internal reference genes, however, can significantly impact the interpretation of RT-qPCR results. The overall goal of this study is to identify the reference genes in the highly invasive H. axyridis. Our central hypothesis is that the suitable reference genes for RT-qPCR analysis …
Coleopteran Communities Associated With Forests Invaded By Emerald Ash Borer, Matthew B. Savage, Lynne K. Rieske
Coleopteran Communities Associated With Forests Invaded By Emerald Ash Borer, Matthew B. Savage, Lynne K. Rieske
Entomology Faculty Publications
Extensive ash mortality caused by the non-native emerald ash borer alters canopy structure and creates inputs of coarse woody debris as dead and dying ash fall to the forest floor; this affects habitat heterogeneity; resource availability; and exposure to predation and parasitism. As EAB-induced (emerald ash borer-induced) disturbance progresses the native arthropod associates of these forests may be irreversibly altered through loss of habitat; changing abiotic conditions and altered trophic interactions. We documented coleopteran communities associated with EAB-disturbed forests in a one-year study to evaluate the nature of these changes. Arthropods were collected via ethanol-baited traps on five sites with …
The Invasive Med/Q Bemisia Tabaci Genome: A Tale Of Gene Loss And Gene Gain, Wen Xie, Xin Yang, Chunhai Chen, Zezhong Yang, Litao Guo, Dan Wang, Jinqun Huang, Hailin Zhang, Yanan Wen, Jinyang Zhao, Qingjun Wu, Shaoli Wang, Brad S. Coates, Xuguo Zhou, Youjun Zhang
The Invasive Med/Q Bemisia Tabaci Genome: A Tale Of Gene Loss And Gene Gain, Wen Xie, Xin Yang, Chunhai Chen, Zezhong Yang, Litao Guo, Dan Wang, Jinqun Huang, Hailin Zhang, Yanan Wen, Jinyang Zhao, Qingjun Wu, Shaoli Wang, Brad S. Coates, Xuguo Zhou, Youjun Zhang
Entomology Faculty Publications
Background: Sweetpotato whitefly, Bemisia tabaci MED/Q and MEAM1/B, are two economically important invasive species that cause considerable damages to agriculture crops through direct feeding and indirect vectoring of plant pathogens. Recently, a draft genome of B. tabaci MED/Q has been assembled. In this study, we focus on the genomic comparison between MED/Q and MEAM1/B, with a special interest in MED/Q’s genomic signatures that may contribute to the highly invasive nature of this emerging insect pest.
Results: The genomes of both species share similarity in syntenic blocks, but have significant divergence in the gene coding sequence. Expansion of cytochrome P450 monooxygenases …