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Articles 121 - 150 of 1578
Full-Text Articles in Life Sciences
Flowers Of Black-Seeded And Yellow-Seeded Oilseed Pennycress (Thlaspi Arvense): Abundance, Timing, And Potential Insect Visitors, Frank Forcella, Riley Ellarson, Russ W. Gesch, Alex Hard, Nicholas J. Heller, Sarah Jandricic, M D. Marks, Yesuf Mohammed, William L. Perry, Winthrop B. Phippen, Lucas M. Roberts, Samantha Wells, Tad L. Wesley, Julia Zhang
Flowers Of Black-Seeded And Yellow-Seeded Oilseed Pennycress (Thlaspi Arvense): Abundance, Timing, And Potential Insect Visitors, Frank Forcella, Riley Ellarson, Russ W. Gesch, Alex Hard, Nicholas J. Heller, Sarah Jandricic, M D. Marks, Yesuf Mohammed, William L. Perry, Winthrop B. Phippen, Lucas M. Roberts, Samantha Wells, Tad L. Wesley, Julia Zhang
The Great Lakes Entomologist
Pennycress is being developed in the Midwestern USA as a new oilseed crop that provides numerous ecosystem services. These services include being an early spring source of pollen and nectar for flower-visiting insects. Most past research on pennycress flower visitors used wild genotypes of pennycress. All wild genotypes have seed coats that are black, which occurs because of high levels of proanthocyanadins (PACs). Concentrations of PACs are minimal in newly developed genotypes with yellow-colored seed coats. However, little is known regarding flower abundance and timing nor insect visitation preferences for black-seeded genotypes (BSG) or yellow-seeded genotypes (YSG) of pennycress. Flower …
The Effect Of Temperature And Vegetative Substrate On The Short-Distance Dispersal Behavior Of An Invasive Weevil (Coleoptera: Curculionidae) To A Protected Dune Thistle, Alyssa S. Hakes, Tina Czaplinska, Monica Paniagua-Montoya
The Effect Of Temperature And Vegetative Substrate On The Short-Distance Dispersal Behavior Of An Invasive Weevil (Coleoptera: Curculionidae) To A Protected Dune Thistle, Alyssa S. Hakes, Tina Czaplinska, Monica Paniagua-Montoya
The Great Lakes Entomologist
The invasion of a seed-eating weevil, Larinus carlinae (Olivier, 1807) poses a threat to the persistence of native Pitcher's thistle (Cirsium pitcheri), a federally-threatened plant in sand dune communities of the western Great Lakes. At Whitefish Dunes (Sturgeon Bay, WI. USA), seed predation by weevils is higher for thistles surrounded by native marram grass (Ammophila breviligulata) than for those located in sandy habitats. In this study, we observed how the local abiotic and biotic environment affects the short-distance dispersal behavior of L. carlinae. Weevils were captured on site and individually released on the sand approximately …
Host Plant Resistance Of Viburnum Taxa For The Viburnum Leaf Beetle (Coleoptera: Chrysomelidae), Fredric Miller, Chad Rigsby
Host Plant Resistance Of Viburnum Taxa For The Viburnum Leaf Beetle (Coleoptera: Chrysomelidae), Fredric Miller, Chad Rigsby
The Great Lakes Entomologist
Thirty-five native and exotic Viburnum taxa were evaluated in a series of no-choice (NC) and multiple-choice (MC) laboratory feeding bioassays, and field defoliation studies for their relative susceptibility, palatability, and preference for viburnum leaf beetle (VLB) (Pyrrhalta viburni Paykull) larvae and adults. Overall, larval field defoliation was consistent with adult field defoliation, and adult VLB field defoliation mirrored the results from the NC laboratory feeding studies. Collectively, there was no significant difference in field defoliation between Asian and North American Viburnum taxa but leaf thickness was a good predictor for both the percent leaf tissue removed in NC laboratory …
Occurrence Of Spotted Wing Drosophila (Drosophila Suzukii) In Wild Berries In Forested Areas Of Marquette And Keweenaw Counties, Upper Peninsula Of Michigan, Alexis M. Shatrau, Erika I. Hersch-Green
Occurrence Of Spotted Wing Drosophila (Drosophila Suzukii) In Wild Berries In Forested Areas Of Marquette And Keweenaw Counties, Upper Peninsula Of Michigan, Alexis M. Shatrau, Erika I. Hersch-Green
The Great Lakes Entomologist
Spotted-wing Drosophila (SWD, Drosophila suzukii Matsumura, Diptera: Drosophilidae) is an invasive fly that targets unripe soft-fruits causing premature ripening, dehiscence, and rotting. While the presence of SWD in agricultural systems is well-documented, much less is known about the host range of SWD in wild areas, especially in more northern latitudes where colder temperatures and short summers are thought to restrict their life-cycles and limit population growth. In 2019 and 2020, we collected wild berries from two counties in the Upper Peninsula of Michigan, with long, cold winters, to determine the prevalence, host range, and seasonal/temporal variation of SWD. We found …
Initial Responses Of Carabidae (Coleoptera) To Intensive Biomass Harvesting And Soil Compaction In Aspen Stands Of The Huron-Manistee National Forest, Oscoda County, Michigan, Robert Haack, Robert E. Acciavatti, Robert L. Davidson, Toby Petrice
Initial Responses Of Carabidae (Coleoptera) To Intensive Biomass Harvesting And Soil Compaction In Aspen Stands Of The Huron-Manistee National Forest, Oscoda County, Michigan, Robert Haack, Robert E. Acciavatti, Robert L. Davidson, Toby Petrice
The Great Lakes Entomologist
During the 1990s, the United States Forest Service implemented several studies to measure the impacts of organic matter removal and soil compaction on forest productivity in forest ecosystems throughout the country. One site was in northeastern Lower Michigan on the Huron-Manistee National Forest in Oscoda County. This site was dominated by mature quaking aspen (Populus tremuloides Michx.) and bigtooth aspen (P. grandidentata Michx.) growing on sandy loam soils. The three organic-matter removal treatments at the site included: 1. stem-only harvesting (SOH); 2. whole-tree harvesting (WTH); and 3. whole-tree harvesting plus forest floor removal (FFR). The three soil compaction …
Susceptibility Of English Oak (Quercus Robur) To The Twolined Chestnut Borer, Agrilus Bilineatus (Coleoptera: Buprestidae): Observations From Michigan, Robert A. Haack, Richard W. Blank
Susceptibility Of English Oak (Quercus Robur) To The Twolined Chestnut Borer, Agrilus Bilineatus (Coleoptera: Buprestidae): Observations From Michigan, Robert A. Haack, Richard W. Blank
The Great Lakes Entomologist
The twolined chestnut borer, Agrilus bilineatus (Weber), is a native North American buprestid beetle that normally infests oak (Quercus) trees stressed by drought or defoliation. However, during the 1980s and early 1990s, A. bilineatus preferentially infested English oak (Quercus robur L.) trees that initially appeared healthy at two experimental plantings in southern Michigan as well as on the Michigan State University (MSU) campus in East Lansing, Michigan. At both experimental plantings the English oaks were intermixed with native white oaks (Quercus alba L.) and had a border of native northern red oaks (Quercus rubra L.). …
Moths Of The Douglas Lake Region (Emmet And Cheboygan Counties), Michigan: Viii. Gelechiidae (Lepidoptera), Brian Scholtens
Moths Of The Douglas Lake Region (Emmet And Cheboygan Counties), Michigan: Viii. Gelechiidae (Lepidoptera), Brian Scholtens
The Great Lakes Entomologist
98 species of Gelechiidae (Lepidoptera) including 46 state records are documented from Emmet and Cheboygan Counties at the northern tip of the Lower Peninsula of Michigan. This is the first comprehensive listing of this family from anywhere in the region, probably because positive identification in this family often requires genitalic dissection. This list brings the total number of Lepidopteran species known from the University of Michigan Biological Station area to 1265.
A Survey Of Native Bees (Hymenoptera: Anthophila) At Lakeplain Prairie And Prairie Fen Habitats In Michigan, Logan M. Rowe, Zachary M. Portman, David Cuthrell, Dan Cariveau, Meredith Holm
A Survey Of Native Bees (Hymenoptera: Anthophila) At Lakeplain Prairie And Prairie Fen Habitats In Michigan, Logan M. Rowe, Zachary M. Portman, David Cuthrell, Dan Cariveau, Meredith Holm
The Great Lakes Entomologist
Michigan’s lakeplain prairie and prairie fen natural communities contain refugia for many at-risk species of insects, including species that are listed at the federal and state level. Wild bees are a group of insects crucial for maintaining robust plant-pollinator communities. Numerous species of bees are presumed to be in decline. However, baseline community surveys are lacking and needed to document the status of species occupying these natural communities. In 2021, Michigan Natural Features Inventory completed wild bee surveys in lakeplain prairie (lakeplain wet-mesic prairie and lakeplain wet prairie) and prairie fens in Michigan using a combination of aerial netting and …
Cover Art For Tgle Vol. 57 Nos 3 & 4
Cover Art For Tgle Vol. 57 Nos 3 & 4
The Great Lakes Entomologist
Cover Art for TGLE Vol. 57 Nos 3 & 4
Cover Pages For Tgle Vol. 57 Nos 3 & 4
Cover Pages For Tgle Vol. 57 Nos 3 & 4
The Great Lakes Entomologist
Cover Pages for TGLE Vol. 57 Nos 3 & 4
Full Issue For Tgle Vol. 57 Nos 3 & 4
Full Issue For Tgle Vol. 57 Nos 3 & 4
The Great Lakes Entomologist
Full Issue for TGLE Vol. 57 Nos 3 & 4
A Quadriocellar Hedychridium Caeruleum (Hymenoptera: Chrysididae) From Manitoba, Canada, Kira Peters, Jason Gibbs
A Quadriocellar Hedychridium Caeruleum (Hymenoptera: Chrysididae) From Manitoba, Canada, Kira Peters, Jason Gibbs
The Great Lakes Entomologist
A specimen of Hedychridium caeruleum (Norton) with four ocelli was discovered in Manitoba, Canada. The supernumerary ocellus is located to the right of the ocellar triangle, which otherwise appears normal. This is the first report of an ocellar or ocular teratology within Chrysididae, adding to the small body of literature currently available on supernumerary ocelli within Hymenoptera. This is the first published record of H. caeruleum in Canada.
New Records Of Two Adventive Bee Species In Indiana (Hymenoptera: Colletidae; Megachilidae), Hannah G. Kernen, Robert P. Jean, Brock A. Harpur, Jacob Buck, Jennifer Noseworthy
New Records Of Two Adventive Bee Species In Indiana (Hymenoptera: Colletidae; Megachilidae), Hannah G. Kernen, Robert P. Jean, Brock A. Harpur, Jacob Buck, Jennifer Noseworthy
The Great Lakes Entomologist
Here we report the first records of Pseudoanthidium nanum (Mocsáry) (Hymenoptera: Megachilidae) and Hylaeus hyalinatus Smith (Hymenoptera: Colletidae) for the state of Indiana. P. nanum was first detected in Gary, Lake County during August, 2023, and multiple specimens of H. hyalinatus were collected from 2021 to 2023 in Marion, Grant County. These records fill gaps in the Midwestern ranges of both species.
Confirmation Of Avian Dispersal Of A Seed Chalcid Wasp In North America And A New Host Record For Megastigmus Aculeatus (Hymenoptera: Megastigmidae), Julie A. Craves
Confirmation Of Avian Dispersal Of A Seed Chalcid Wasp In North America And A New Host Record For Megastigmus Aculeatus (Hymenoptera: Megastigmidae), Julie A. Craves
The Great Lakes Entomologist
Dispersal of chalcid wasp larvae inhabiting the seeds of angiosperms by wild birds in North America has never been verified. I describe adult Megastigmus aculeatus Swederus that successfully emerged from seeds extracted from the droppings of six species of native North American non-captive birds. Rosa setigera is also confirmed as a host for this wasp for the first time.
Laboratory Rearing Methods For The Soybean Tentiform Leafminer (Lepidoptera: Gracillariidae), A New Pest Of Soybean, James Menger, Arthur Ribeiro, Fabio Fuhr, Robert L. Koch
Laboratory Rearing Methods For The Soybean Tentiform Leafminer (Lepidoptera: Gracillariidae), A New Pest Of Soybean, James Menger, Arthur Ribeiro, Fabio Fuhr, Robert L. Koch
The Great Lakes Entomologist
Soybean tentiform leafminer (STL), Macrosaccus morrisella (Fitch) (Lepidoptera: Gracillariidae), is a leaf-mining microlepidopteran native to North America that was recently discovered feeding on soybean, Glycine max (L.) Merr., in Canada and the United States. A laboratory rearing system for STL was developed on live soybean plants. The methods for continuous rearing or cyclic (i.e., generational) production of insects are described herein. All rearing was performed in a walk-in environmental chamber at 25°C (±2°C), with ~70% relative humidity and a photoperiod of 16:8 (L:D). Adults of STL were allowed to oviposit on clean soybean plants in an oviposition cage. Soybean plants …
A Five-Year Study Of The Ground-Dwelling Beetles (Coleoptera) From A Grassland And An Adjacent Woods In Southern Québec (Canada), Claire Levesque, Gilles-Yvon Levesque
A Five-Year Study Of The Ground-Dwelling Beetles (Coleoptera) From A Grassland And An Adjacent Woods In Southern Québec (Canada), Claire Levesque, Gilles-Yvon Levesque
The Great Lakes Entomologist
We present results of the first long-term study on spatiotemporal variations in the composition and structure of ground-dwelling beetle assemblages from a grassland and adjacent woods in eastern Canada. It is the third part of an investigation on the beetle biodiversity using diverse methods between 2006 and 2012. During the entire snow-free season (April/May to October) in 2006–2010, we collected by pitfall trapping 67694 individuals representing 386 Coleoptera species and morphospecies belonging to 35 families in southern Québec. Adventive species represented at least 51.9% of individuals. Carabidae and Staphylinidae were the most abundant families and had the highest species richness …
Ambrosia Beetle (Coleoptera: Curculionidae: Scolytinae) Responses To Ice Storm Damage In Mesic, Mixed Deciduous Forests In Southeast Ohio, United States, Christopher J. Hayes, Richard M. Turcotte
Ambrosia Beetle (Coleoptera: Curculionidae: Scolytinae) Responses To Ice Storm Damage In Mesic, Mixed Deciduous Forests In Southeast Ohio, United States, Christopher J. Hayes, Richard M. Turcotte
The Great Lakes Entomologist
In the eastern United States abiotic forest disturbances are common and cause extensive tree damage. Freshly broken trees and tree branches attract bark and ambrosia beetles that utilize inner bark and xylem of damaged branches and trees to fill requisite habitat needs. An ice storm in February 2003 on the Wayne National Forest presented an opportunity to study the local ambrosia beetle species and their reaction to this storm event. Ethanol baited Lindgren traps were deployed from 2003-2006 starting in the summer after the storm. Eight native and introduced Scolytinae ambrosia beetle species were trapped in large numbers (>500 …
Impact Of Debarking And Bark Grinding On Survival Of Ips Calligraphus (Coleoptera: Curculionidae: Scolytinae), Robert A. Haack, Toby Petrice, John Foltz, Hui Ye
Impact Of Debarking And Bark Grinding On Survival Of Ips Calligraphus (Coleoptera: Curculionidae: Scolytinae), Robert A. Haack, Toby Petrice, John Foltz, Hui Ye
The Great Lakes Entomologist
Chipping and debarking of infested woody material such as branches and logs are common sanitation methods used to kill bark- and wood-infesting insects. The sixspined ips, Ips calligraphus (Germar), is a native North American bark beetle (Coleoptera: Curculionidae: Scolytinae) that infests several pine (Pinus) species. We evaluated I. calligraphus mortality after debarking and grinding, using 12 recently cut longleaf pine (Pinus palustris Mill.) logs that had undergone natural colonization for three weeks in Florida. Initial bark beetle densities were estimated from samples collected the day before debarking. Similar amounts of bark were collected at three steps in …
Phenology And Host Choice Among Common Yet Little Understood Wood Borers (Coleoptera: Bostrichidae) In A Midwestern Savanna, Noah I. Finney, Derek W. Rosenberger
Phenology And Host Choice Among Common Yet Little Understood Wood Borers (Coleoptera: Bostrichidae) In A Midwestern Savanna, Noah I. Finney, Derek W. Rosenberger
The Great Lakes Entomologist
Horned powder-post beetles (Coleoptera: Bostrichidae) are a geographically widespread family of wood-boring beetles. While members of this family represent important grain pests, are often intercepted in ports, and may play an important role in ecosystem processes, little work has investigated bostrichid life history in their native ranges. This gap limits our ability to assess ecosystem services and invasiveness. Three native species, Amphicerus bicaudatus (Say), Scobicia bidentata (Horn), and Xylobiops basilaris (Say), are commonly found in savannas in Northern Illinois. Although little is currently known about the life history of S. bidentata, A. bicaudatus and X. basilaris can be minor pests …
Changes In Ground Beetle (Coleoptera: Carabidae) Species Assemblages After Removal Of Red Pine (Pinus Resinosa) Overstory On Dry Sand Prairie Sites In Michigan, Robert A. Haack, Toby Petrice, Robert L. Davidson, Robert E. Acciavatti
Changes In Ground Beetle (Coleoptera: Carabidae) Species Assemblages After Removal Of Red Pine (Pinus Resinosa) Overstory On Dry Sand Prairie Sites In Michigan, Robert A. Haack, Toby Petrice, Robert L. Davidson, Robert E. Acciavatti
The Great Lakes Entomologist
Ground beetle (Coleoptera: Carabidae) species assemblages were studied at sites on the Huron-Manistee National Forests in Newaygo County, Michigan. The goal was to monitor changes in carabid diversity on areas where mature red pine (Pinus resinosa Sol. ex Aiton) was removed during the 1996-1997 winter and compare with carabid diversity at nearby natural dry sand prairie sites, natural oak-pine barrens, and uncut red pine stands. The red pine had been planted on dry sand prairie sites during 1940-1950. Sampling with pitfall traps occurred during May-August in both 1996 and 1997, but only July-August in 1999. Overall, 16,259 carabid specimens …
Tgle Vol. 57 Nos. 1 & 2 Cover Art
Tgle Vol. 57 Nos. 1 & 2 Cover Art
The Great Lakes Entomologist
TGLE Vol. 57 Nos. 1 & 2 Cover Art
Tgle Vol. 57 Nos. 1 & 2 Cover Pages
Tgle Vol. 57 Nos. 1 & 2 Cover Pages
The Great Lakes Entomologist
TGLE Vol. 57 Nos. 1 & 2 Cover Pages
Tgle Vol. 57 Nos. 1 & 2 Full Issue
Tgle Vol. 57 Nos. 1 & 2 Full Issue
The Great Lakes Entomologist
TGLE Vol. 57 Nos. 1 & 2 Full issue
Major Northeastward Range Extension For A Western Grasshopper Species: New State Record For Trimerotropis Pallidipennis (Burmeister) In Wisconsin, Mathew L. Brust
Major Northeastward Range Extension For A Western Grasshopper Species: New State Record For Trimerotropis Pallidipennis (Burmeister) In Wisconsin, Mathew L. Brust
The Great Lakes Entomologist
Trimerotropis pallidipennis (Burmeister) mostly occurs in the southwestern U.S., but is known to migrate significant distances periodically. It appears that some individuals of this species occasionally migrate very long distances. Here I present an extreme record for this species, over 480 km northeast of any previously known records, including any others recorded from 2022. A single male specimen was collected and photographed in Price County in north-central Wisconsin in June 2022.
Adult Neurocolpus Nubilus And Plagiognathus Sp. Dispersal On Tropaeolum Majus, Elyse Malamud
Adult Neurocolpus Nubilus And Plagiognathus Sp. Dispersal On Tropaeolum Majus, Elyse Malamud
The Great Lakes Entomologist
Neurocolpus nubilus (Say) (Hemiptera: Miridae), commonly known as the clouded plant bug, is a species of plant bug. Widespread primarily across eastern North America, N. nubilus is known to feed on many types of plants. At least 43 host plants spanning 34 plant families have been recorded for N. nubilus and more may be possible. Plagiognathus (Fieber) (Hemiptera: Miridae) is a genus of plant bugs that is widespread across the Holarctic region. Plagiognathus spp. are typically found on various woody host plants. This paper describes an instance of adult N. nubilus and Plagiognathus sp. feeding on a cultivar of Tropaeolum …
First Known Records Of The Specialist Bee, Colletes Aestivalis (Hymenoptera: Colletidae), In An Urban Area, Nina S. Fogel, Christine Kirmaier, Mike Arduser
First Known Records Of The Specialist Bee, Colletes Aestivalis (Hymenoptera: Colletidae), In An Urban Area, Nina S. Fogel, Christine Kirmaier, Mike Arduser
The Great Lakes Entomologist
Here we report on the first known records of the Heuchera specialist bee Colletes aestivalis in an urban area. This bee was found by a participant in a citizen science project in a residential garden in a suburb that abuts St. Louis, Missouri. The females were found only visiting Heuchera richardsonii, and the males were seen scouting for females by hovering over the plants. This finding shows that urban areas can support uncommon specialist bees and the utility of engaging non-experts in cataloging biodiversity.
Willow Pollen Collection By A Blueberry Specialist Bee (Hymenoptera: Andrenidae), James B. Watson, Keziah G. Bartel, Jason Gibbs
Willow Pollen Collection By A Blueberry Specialist Bee (Hymenoptera: Andrenidae), James B. Watson, Keziah G. Bartel, Jason Gibbs
The Great Lakes Entomologist
Andrena (Conandrena) bradleyi Viereck (Hymenoptera: Andrenidae) is widely regarded as a Ericaceae specialist bee due to its elongate head, plant records, and common collection in commercial blueberry fields. We provide evidence of A. bradleyi collecting pollen from willow (Salix, Salicaceae) L. in southeastern Manitoba. This indicates the bee is not obligately specialized on Ericaceae pollens and that early blooming plants may contribute to its early nutritional requirements.
Evidence Of Lilac Borer (Lepidoptera: Sesiidae) Population On Mackinac Island, Mi, David Max Lowenstein
Evidence Of Lilac Borer (Lepidoptera: Sesiidae) Population On Mackinac Island, Mi, David Max Lowenstein
The Great Lakes Entomologist
Mackinac Island, Michigan, is a major tourism destination with its lilacs an important part of the local culture. Recently, the health of some lilacs has declined. It is uncertain if this is due to the lilac’s age, attack by lilac borer, Podosesia syringae (Harris) (Lepidoptera: Sesiidae), or a combination of environmental and biotic factors. The lilac borer is a clearwing moth whose larvae bore within ash and lilac, and there are minimal local records of the insect in Northern Michigan and none on Mackinac Island. This study deployed pheromone traps to identify the flight period of lilac borer, potential damage …
New Record Of The Pavement Ant, Tetramorium Immigrans (Hymenoptera: Formicidae), In South Dakota With Notes On Its Thermal Tolerance And Geographic Distribution, Karl A. Roeder, Skylar Drey, Jesse D. Daniels, Diane V. Roeder, Jackson A. Helms Iv
New Record Of The Pavement Ant, Tetramorium Immigrans (Hymenoptera: Formicidae), In South Dakota With Notes On Its Thermal Tolerance And Geographic Distribution, Karl A. Roeder, Skylar Drey, Jesse D. Daniels, Diane V. Roeder, Jackson A. Helms Iv
The Great Lakes Entomologist
The pavement ant, Tetramorium immigrans, is an abundant and widespread species across large portions of the United States. Yet despite its current distribution in Northeastern, Midwestern, Pacific, and Western states, there is a surprising lack of records from the Great Plains. Here we present an updated county list of T. immigrans from museum collections and research grade observations (459 counties; ~15% of US counties), highlighting the first records from one Great Plains state—South Dakota. Observations on community science platforms since 2006 have undoubtedly increased the awareness of T. immigrans (+329 counties; ~72% of all county records), however we posit …
Bee (Hymenoptera: Anthophila) Richness In Eastern Ohio Pipeline Right Of Ways, Malisa Spring, Gabriel R. Karns
Bee (Hymenoptera: Anthophila) Richness In Eastern Ohio Pipeline Right Of Ways, Malisa Spring, Gabriel R. Karns
The Great Lakes Entomologist
It is relatively unknown which species of bees utilize pipeline Right of Ways. Most recent Right of Way research focuses on bees found on electrical transmission Right of Ways instead. Ohio is also relatively understudied in terms of bee richness. This project sought to document bees that are found in these pipeline Right of Ways in 4 heavily forested counties in eastern Ohio. A total of 3950 specimens were collected, accounting for 140 species across two years of sampling (2016 and 2018). Overall bee abundance peaked mid-season, with the highest abundance observed in July. The majority of bees collected were …