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Articles 1 - 30 of 89
Full-Text Articles in Entomology
Three New Hesperioidae (Hesperiinae) From South Carolina: New Subspecies Of Euphyes Bimacula, Poanes Aaroni, And Hesperia Attalus, Ronald R. Gatrelle
Three New Hesperioidae (Hesperiinae) From South Carolina: New Subspecies Of Euphyes Bimacula, Poanes Aaroni, And Hesperia Attalus, Ronald R. Gatrelle
The Taxonomic Report of the International Lepidoptera Survey
Euphyes bimacula arbogasti is described as a new subspecies from Berkeley County, South Carolina, United States. It is known from only a few widely scattered colonies in the coastal swamp forests of the southeastern United States from Georgia to southeastern North Carolina. It is darker then E. b. bimacula and E. b. illinois. Poanes aaroni minimus is described as a new subspecies from Bull Swamp, Orangeburg County, South Carolina. This unique inland subspecies is presently known only from the type locality. It is darker then P. a. aaroni and P. a. …
Amplification And Methylation Of An Esterase Gene Associated With Insecticide-Resistance In Greenbugs, Schizaphis Graminum (Rondani) (Homoptera: Aphididae), Midori Ono, Jeffrey J. Swanson, Linda M. Field, Alan L. Devonshire, Blair D. Siegfried
Amplification And Methylation Of An Esterase Gene Associated With Insecticide-Resistance In Greenbugs, Schizaphis Graminum (Rondani) (Homoptera: Aphididae), Midori Ono, Jeffrey J. Swanson, Linda M. Field, Alan L. Devonshire, Blair D. Siegfried
Department of Entomology: Faculty Publications
The greenbug aphid, Schizaphis graminum (Rondani) has developed resistance to organophosphorus insecticides by the over-production of esterases that have been classified as Type I and Type II. The first twenty N-terminal amino acids of the Type I esterase were determined and used to design an oligonucleotide, which in conjunction with an active site primer derived from conserved sequences of other insect esterases and two internal primers specific for esterases from another aphid species resulted in a 0.85 kb genomic DNA fragment from resistant greenbugs. This was extended by 5′ RACE which provided approximately 1.2 kb of the 5′ end …
Nebline, December 1999
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Hello neighbor
Houseplant problems
Holiday safety
Cyclamen care
Dealing with woodpecker damage to houses
Backyard habitat
Are you feeding birds?
Recycling is for the birds
Renting facilities
Storage methods to reduce hay losses
Changes to waste management regulations announced
Biosolids cuts production costs and improves yields
Crop Protection Clinics
Water pipes
Tractor safety tips (part 12)
Planting designs with wildlife in mind
Conferences of interest
It’s not the potato’s fault
Healthy Eating: Savor the season...with beef!
Gift ideas defend against bacteria
Life’s little luxuries for 100 calories or less
Focus on Food
Family & Community Education: Jean's Journal
FCE News …
Hexapod Herald - Vol. 11, No. 5, December 1999
Hexapod Herald - Vol. 11, No. 5, December 1999
Hexapod Herald and Other Entomology Department Newsletters
Calendar of events
Grants
Congratulations
Welcome
Faculty news
Graduate student news
Publications
Travel
From the office
Natural Hyperthermia And Expression Of The Heat Shock Protein Hsp70 Affect Developmental Abnormalities In Drosophila Melanogaster, Stephen P. Roberts, Martin E. Feder
Natural Hyperthermia And Expression Of The Heat Shock Protein Hsp70 Affect Developmental Abnormalities In Drosophila Melanogaster, Stephen P. Roberts, Martin E. Feder
Biological Sciences Faculty Research & Creative Works
We Demonstrate that Natural Heat Stress on Wild Larval Drosophila Melanogaster Results in Severe Developmental Defects in >10% of Eclosing Adults, and that Increased Copy Number of the Gene Encoding the Major Inducible Heat Shock Protein of D. Melanogaster, Hsp70, is Sufficient to Reduce the Incidence of Such Abnormalities. Specifically, Non-Adult D. Melanogaster Inhabiting Necrotic Fruit Experienced Severe, Often Lethal Heat Stress in Natural Settings. Adult Flies Eclosing from Wild Larvae that Had Survived Natural Heat Stress Exhibited Severe Developmental Anomalies of Wing and Abdominal Morphology, Which Should Dramatically Affect Fitness. the Frequency of Developmental Abnormalities Varied Along Two Independent …
Nebline, November 1999
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Strong families—strong futures
Winterizing roses
Storing vegetables
House plant insect problems
Y2K houseplants?
Wildlife success story: return of wild turkeys
Wild turkey facts
Celebrate America Recycles Day November 15
Lady bird, lady bird, fly away from my home!
Pricing silage in the feed bunk
Winter pastures and supplements
The Walter Scott, Jr. Scholarships for prospective students
Grain storage information on the web
Cross fencing to improve pasture productivity
Low temperature injury
Tractor safety tips (part 11)
Proper mulching
Portable generators
Marketing your produce
Fall insect pest - Fleas
Food safety and storage in emergency situations
Healthy Eating: White Turkey Chili …
Blissus Occiduus (Hemiptera: Lygaeidae): A Chinch Bug Pest New To Buffalograss Turf, Frederick P. Baxendale, Tiffany Heng-Moss, Terrance P. Riordan
Blissus Occiduus (Hemiptera: Lygaeidae): A Chinch Bug Pest New To Buffalograss Turf, Frederick P. Baxendale, Tiffany Heng-Moss, Terrance P. Riordan
Department of Entomology: Faculty Publications
Blissus occiduus Barber, a relatively small chinch bug characterized by conspicuous wing dimorphism, has emerged as an important insect pest of buffalograss, Buchloe dactylnides (Nuttall) Engelmann. It completes 2 generations a year on buffalograss in Nebraska. Overwintered adults become active as early as mid-March. Depending on the season, 1st-generation nymphs can be present from early May through early August, with 1st-generation adults (up to 60% macropterous forms) appearing in mid to late June. Second generation nymphs can be present from early July through fall, with 2nd-generation adults appearing in late August to early September. These predominately brachypterous (>95%) adults …
Oviposition By European Corn Borer (Lepidoptera: Crambidae) In Response To Various Transgenic Corn Events, Richard L. Hellmich, L. S. Higgins, John F. Witkowski, J. E. Campbell, L. C. Lewis
Oviposition By European Corn Borer (Lepidoptera: Crambidae) In Response To Various Transgenic Corn Events, Richard L. Hellmich, L. S. Higgins, John F. Witkowski, J. E. Campbell, L. C. Lewis
Haskell Agricultural Laboratory (Northeast Research and Extension Center)
Oviposition preference by European corn borers, Ostrinia nubilalis (Hübner), for or against transgenic corn would influence amounts of refuge required for resistance management. The objective of this research was to determine if various Bacillus thuringiensis (Bt) corn transgenic events influence O. nubilalis oviposition. All commercially available events (currently 5) were evaluated, plus 1 experimental event. Results from 3 independent studies are reported, including 3 field-cage experiments with vegetative corn, 2 field-cage experiments with reproductive corn, and 2 field experiments with natural O. nubilalis on reproductive corn. In each case, Bt corn hybrids are compared with their near isogenic hybrids by …
Nebline, October 1999
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
Giving recipes a food safety update
Needle drop on evergreens
Answers to composting questions Fall clean up in the orchard
What do they like to eat?
Responsible hunting and landowner relations
Jumpin’ jiminy crickets
Autumn is a great time to clean your feeder
Head lice videotape available
October is the best time to treat hard to control pasture weeds
The value of composting
Plateau herbicide cleared for use in Nebraska
Grain storage information on the web
Fall and winter care of water gardens
Tractor safety tips (part 10)
Transplanting peonies
Household invaders
Modified food guide pyramid for ages 70+
Healthy …
Hexapod Herald - Vol. 11, No. 4, October 1999
Hexapod Herald - Vol. 11, No. 4, October 1999
Hexapod Herald and Other Entomology Department Newsletters
Calendar of events
Grants
Congratulations
Welcome
Faculty news
Graduate student news
Publications
Travel
From the office
Entomology classes 1999 fall semester
Fall 905 seminar schedule
Entomology seminar series, 1999 fall seminar
Tissue Polyunsaturated Fatty Acids And A Digestive Phospholipase A 3 In The Primary Screwworm, Cochliomyia Hominivorax, A.R. Nor Aliza, R.L. Rana, Steven R. Skoda, Dennis R. Berkebile, David W. Stanley
Tissue Polyunsaturated Fatty Acids And A Digestive Phospholipase A 3 In The Primary Screwworm, Cochliomyia Hominivorax, A.R. Nor Aliza, R.L. Rana, Steven R. Skoda, Dennis R. Berkebile, David W. Stanley
Department of Entomology: Faculty Publications
We report on the presence of arachidonic acid in larval and adult tissues of the primary screwworm, Cochliomyia hominivorax and of the secondary screwworm, C. macellaria. Arachidonic acid is present in the phospholipids of whole animal extracts of both species. This fatty acid appears to be accumulated during the larval stages, because proportions of arachidonic acid were higher in adults than in larvae. These insects probably obtain the arachidonic acid from dietary phospholipids. We also report on a phospholipase A2 activity in midgut preparations from third instars of the primary screwworm. Phospholipase A2 is responsible for hydrolyzing fatty acids …
Measurement Of Oxygen Partial Pressure, Its Control During Hypoxia And Hyperoxia, And Its Effect Upon Light Emission In A Bioluminescent Elaterid Larva, G. S. Timmins, C. A. A. Penatti, E. J. H. Bechara, H. M. Swartz
Measurement Of Oxygen Partial Pressure, Its Control During Hypoxia And Hyperoxia, And Its Effect Upon Light Emission In A Bioluminescent Elaterid Larva, G. S. Timmins, C. A. A. Penatti, E. J. H. Bechara, H. M. Swartz
Dartmouth Scholarship
This study investigates the respiratory physiology of bioluminescent larvae of Pyrearinus termitilluminans in relation to their tolerance to hypoxia and hyperoxia and to the supply of oxygen for bioluminescence. The partial pressure of oxygen (P(O2)) was measured within the bioluminescent prothorax by in vivo electron paramagnetic resonance (EPR) oximetry following acclimation of larvae to hypoxic, normoxic and hyperoxic (normobaric) atmospheres and during periods of bioluminescence (during normoxia). The P(O2) in the prothorax during exposure to an external P(O2) of 15.2, 160 and 760 mmHg was 10.3+/-2.6, 134+/-0.9 and 725+/-73 mmHg respectively (mean +/- s.d., N=5; 1 mmHg=0.1333 kPa). Oxygen supply …
Distribution, Ecology, And Population Dynamics Of The American Burying Beetle [Nicrophorus Americanus Olivier (Coleoptera, Silphidae)] In South-Central Nebraska, Usa, Jon C. Bedick, Brett C. Ratcliffe, W. Wyatt Hoback, Leon G. Higley
Distribution, Ecology, And Population Dynamics Of The American Burying Beetle [Nicrophorus Americanus Olivier (Coleoptera, Silphidae)] In South-Central Nebraska, Usa, Jon C. Bedick, Brett C. Ratcliffe, W. Wyatt Hoback, Leon G. Higley
University of Nebraska State Museum: Entomology Papers
The endangered American burying beetle, Nicrophorus americanus Olivier, was previously widespread throughout eastern North America. In the past century numbers of this beetle have drastically declined and currently remnant populations are known from only six states despite intensive surveying efforts conducted for the last nine years. Efforts aimed at discovering and managing remnant populations have been generally limited by a lack of knowledge concerning N. americanus biology. We used baited pitfall traps to define the range of the Gothenburg, Nebraska, population of N. americanus. Using mark-recapture techniques, we estimate that the annual Gothenburg population consists of more than one …
Nebline, September 1999
NEBLINE Newsletter Archive from Nebraska Extension in Lancaster County
National 4-H Week
Growing hardy bulbs
Fall storage of tender bulbs, corms and tubers
Hints for fruit storage
Where do fruit flies come from?
Kid's Corner
Wolf spiders are “big, hairy and real fast”
Reduce unwanted advertising mail!
September 20-26, 1999: Celebrate P2 Week!
Bee or wasp problems?
Fall clean-up of warm-season grasses
Prepare grain bins and equipment before harvest
Fall is a good time to control problem weeds Pricing silage into the feed bunk
On-farm grain storage
Prevent fires in wood-burning stoves
Tractor safety tips (part 9)
Water-saving adjustments
Mulch–mowing your lawn
Hemlock and livestock
Drinking water quality ‘report …
Book Review: A World Catalogue Of Families And Genera Of Curculionoidea (Insecta: Coleoptera) (Excepting Scolytidae And Platypodidae) By Alonso-Zarazaga, M. A. And C. H. C. Lyal 1999., Charles W. O'Brien
Insecta Mundi
The authors of this superb catalogue deserve accolades for the splendid job they have performed in recording this list of all genus and family group names of all weevils, excluding only Scolytidae and Platypodidae, treated recently by others. Included are 5444 valid genera and 64 1 valid subgenera, with all of their synonyms. The fact that this work covers the World is unique in itself and the accuracy of the spelling and citations make it a pleasure to use. The bibliography includes more than three thousand citations. Type species are cited for all genera, and both type species and genera …
Book Review: Catalogue Des Aphididae Du Monde By Georges Remaudiere And Marc Remaudiere, Susan E. Halbert
Book Review: Catalogue Des Aphididae Du Monde By Georges Remaudiere And Marc Remaudiere, Susan E. Halbert
Insecta Mundi
The new aphid catalog is an update of the Survey of the World's Aphids (Eastop and Hille Ris Lambers 1976). It incorporates over 20 years of taxonomic changes and new species. It includes 4702 valid species names and 599 valid genera, along with numerous synonyms.
Taxonomic Status Of Bambusaspis Miliaris, B. Robusta, And B. Pseudomiliaris (Hemiptera: Coccoidea: Asterolecaniidae), C. F. Stumpf, P. L. Lambdin
Taxonomic Status Of Bambusaspis Miliaris, B. Robusta, And B. Pseudomiliaris (Hemiptera: Coccoidea: Asterolecaniidae), C. F. Stumpf, P. L. Lambdin
Insecta Mundi
Based on an assessment of 50 morphological characters from 110 specimens of Bambusaspis miliaris (Boisduval 1869), B. robusta (Green 1908), and B. pseudomiliaris (Green 1922) from different geographic regions around the world, we conclude that these specimens represent the same species. Therefore, the taxa B. robusta and B. pseudomiliaris are considered junior subjective synonyms of B. miliaris.
Plusiotis Ericsrnithi (Coleoptera: Scarabaeidae): A New Metallic Species From Eastern Guatemala, Jose Monzon Sierra, Enio B. Cano
Plusiotis Ericsrnithi (Coleoptera: Scarabaeidae): A New Metallic Species From Eastern Guatemala, Jose Monzon Sierra, Enio B. Cano
Insecta Mundi
Resumen: Se describe Plusiotis ericsmithi sp. nov. de un bosque nuboso de baja altitud (1100 msnm) en la Sierra del Merendon, Guatemala, cerca de la frontera con Honduras. Ademas, se incluyen ilustraciones de los genitales masculinos y femeninos.
Abstract: Plusiotis ericsmithii n. sp. is described from a low altitude cloud forest (1100 m) in the Guatemalan Merendon mountain chain near the Honduran border. Male and female genitalia are illustrated.
The Western North American Genus Androlyperus Crotch, 1873 (Coleoptera: Chrysomelidae: Galerucinae, Shawn M. Clark
The Western North American Genus Androlyperus Crotch, 1873 (Coleoptera: Chrysomelidae: Galerucinae, Shawn M. Clark
Insecta Mundi
The five previously known species of Androlyperus are redescribed and diagnosed. Androlyperus nataliae n. sp. is described from the Baja California Peninsula, Mexico. A taxonomic key is provided to facilitate species identification.
A New Species Of Cydistomyia (Diptera, Tabanidae) From Papua New Guinea, James T. Goodwin
A New Species Of Cydistomyia (Diptera, Tabanidae) From Papua New Guinea, James T. Goodwin
Insecta Mundi
A new species, Cydistomyia kamialiensis, is described from specimens collected in the Kamiali Wildlife Management Area of Morobe Province, Papua New Guinea.
New Species Of Arpactophilus From The Island Of New Caledonia (Hymenoptera, Sphecidae), Richard M. Bohart
New Species Of Arpactophilus From The Island Of New Caledonia (Hymenoptera, Sphecidae), Richard M. Bohart
Insecta Mundi
Seventeen new species of Arpactophilus from New Caledonia are described and figured. These are the first from New Caledonia and bring the number to 37 species of the genus from Australia and nearby islands, all east of Wallace's Line. The new species are abdominalis, arboreus, brochus, caledonicus, concavus, cuspidis, dolichocara, gressitti, irwini, kraussi, nemoralis, nigripes, propodealis, schlingeri, scutellaris, sylvaticus, and webbi. All of these have an occipital carina, sometimes most evident ventrally. As a rule there are 2 forewing submarginal cells, but in caledonicus, dolichocara, nigripes, and propodealis there is only one such cell.
Acmaeodera Pubiventris Horn (Coleoptera: Buprestidae): A Polytypic Species Or A Superspecies?, Richard L. Wescott
Acmaeodera Pubiventris Horn (Coleoptera: Buprestidae): A Polytypic Species Or A Superspecies?, Richard L. Wescott
Insecta Mundi
Acmaeodera pubiventris Horn was studied in detail and, without rejecting that it may be a superspecies, I concluded it is a polytypic species comprised of A. p. pubiuentris, A. p. lanata Horn, A. p. yumae Knull-these generally have been considered as full species-and a new subspecies, A. p. panocheae, described herein. It is suggested that A. p. yumae could be a megasubspecies. Detailed comparisons are made, variation is discussed, and biological and distributional data are provided. A. p. lanata is recorded from Mexico (Baja California) for the first time.
Notes On A New Mealybug (Hemiptera: Coccoidea: Pseudococcidae) Pest In Florida And The Caribbean: The Papaya Mealybug, Paracoccus Marginatus Williams And Granara De Willink, Douglass R. Miller, Douglas J. Williams, Avas B. Hamon
Notes On A New Mealybug (Hemiptera: Coccoidea: Pseudococcidae) Pest In Florida And The Caribbean: The Papaya Mealybug, Paracoccus Marginatus Williams And Granara De Willink, Douglass R. Miller, Douglas J. Williams, Avas B. Hamon
Insecta Mundi
Paracoccus marginatus Williams and Granara de Willink, here called the papaya mealybug, was first detected in the United States in Hollywood, Florida in 1998. By the end of 1998 it was found in four localities in the state and has since spread to nine localities in five counties. This mealybug appears to have moved through the Caribbean area since its 1994 detection in the Dominican Republic. The pest is reported to cause serious damage to tropical fruit, especially papaya, and has been detected most frequently, in Florida, on hibiscus. It is now known from Antigua, Belize, the British Virgin Islands, …
Identification Of The Pink Hibiscus Mealybug, Maconellicoccus Hirsutus (Green) (Hemiptera: Sternorrhyncha: Pseudococcidae, Douglass R. Miller
Identification Of The Pink Hibiscus Mealybug, Maconellicoccus Hirsutus (Green) (Hemiptera: Sternorrhyncha: Pseudococcidae, Douglass R. Miller
Insecta Mundi
The pink hibiscus mealybug, Maconellicoccus hirsutus (Green), has spread rapidly in the tropical and subtropical areas of the New World especially throughout the Caribbean Islands, and has recently been discovered in California, Mexico, and Belize. All instars of the pink hibiscus mealybug are described and illustrated to facilitate discovery of infestations. Comparisons with other common pest species are provided for most of the 8 instars, and a table is included that distinguishes the pink hibiscus mealybug from other pest species in the field.
Two Leaf Beetles New To Florida (Coleoptera: Chrysornelidae), Michael C. Thomas, Edward G. Riley, Shawn Clark
Two Leaf Beetles New To Florida (Coleoptera: Chrysornelidae), Michael C. Thomas, Edward G. Riley, Shawn Clark
Insecta Mundi
Specimens recently submitted to the first author for identification turned out to represent two species of leaf beetles previously unknown from Florida, one of which is new to the eastern United States and the other new to the continental United States.
Termites Of The Genus Cryptotermes Banks (Isoptera: Kalotermitidae) From The West Indies, Rudolf H. Scheffrahn, Jan Krecek
Termites Of The Genus Cryptotermes Banks (Isoptera: Kalotermitidae) From The West Indies, Rudolf H. Scheffrahn, Jan Krecek
Insecta Mundi
A taxonomic revision of the genus Cryptotermes occurring in the West Indies is given based on recent collections from the Greater Antilles, Lesser Antilles, and the Bahamas. Seventeen indigenous and four nonindigenous species are described from external morphology of the soldier. The imago caste is also described for all but one species. The indigenous Cryptotermes comprise twelve new species, including C. aequacornis, C. cryptognathus, C. cylindroceps, C. cymatofrons, C. darlingtonae, C. juliani, C. maizgoldi, C. nitens, C. parvifroizs, C. rotundiceps, C. spathifrons, and C. undulans. Five indigenous species are redescribed, including C. cavifrons Banks, C. chasei Scheffrahn, C. …
Notes On Guatemalan Plusiotis (Coleoptera: Scarabaeidae; Rutelinae), Jose Monzon Sierra, Enio B. Cano, Anna Cristina Bailey
Notes On Guatemalan Plusiotis (Coleoptera: Scarabaeidae; Rutelinae), Jose Monzon Sierra, Enio B. Cano, Anna Cristina Bailey
Insecta Mundi
Resurnen: Dos especies nuevas de escarabajos del genero Plusiotis describen de un bosque nuboso, 1560-1900 m en el departamento de San Marcos, Guatemala. Tambien se describen las hembras de P. turkheimi Ohaus, P. auropunctata Ohaus y P. quiche Moron. Ademas, se registra por primera vez a P. turkheimi para Guatemala.
Abstract: Two new species of Plusiotis are described from a cloud forest between 1560- 1900 m in the Department of San Marcos, Guatemala. Females of P. turkheimi Ohaus, P. auropunctata Ohaus and P. quiche Moron are described. Plusiotis turkheimi is reported from Guatemala for the first time.
On The Genus Anchonus Schonherr In Florida (Coleoptera: Curculionidae), Michael C. Thomas
On The Genus Anchonus Schonherr In Florida (Coleoptera: Curculionidae), Michael C. Thomas
Insecta Mundi
Four species of Anchonus Schönherr occur in Florida: A. floridanus Schwarz, A. duryi Blatchley, A. blatchleyi Sleeper, and A. suillus (Fabricius), which is recorded from Florida and the continental United States for the first time. The species are distinguished in a key and illustrated. A lectotype is selected for A. floridanus.
Catálogo De Las Especies De Diaspididae (Herniptera: Coccoidea) Nativas De Argentina, Brasil Y Chile, Lucia E. Claps, Vera R. S. Wolff, Roberto H. Gonzalez
Catálogo De Las Especies De Diaspididae (Herniptera: Coccoidea) Nativas De Argentina, Brasil Y Chile, Lucia E. Claps, Vera R. S. Wolff, Roberto H. Gonzalez
Insecta Mundi
RESUMEN: Se listan un total de 96 especies de Diaspididae descritas de Brasil (73), Argentina (15) y Chile (8), presentándose su lista sinonímica, material Tipo, localización del mismo; huéspedes conocidos y referencias bibliográficas más importantes. Se agregan las especies que fueran descritas como originarias para esta región y posteriomente sinonimizadas con otras especies cosmopolitas.
ABSTRACT: Ninety-six species of armoured scale insects (Diaspididae) described from Brazil (73), Argentina (15) and Chile (8) are reviewed in terms of sinonimy, location of plant material, host plants, distribution in theses southern cone countries and bibliographical references.
Celastrina Idella (Lycaenidae: Polyommatinae): A New Butterfly Species From The Atlantic Coastal Plain, David M. Wright, Harry Pavulaan
Celastrina Idella (Lycaenidae: Polyommatinae): A New Butterfly Species From The Atlantic Coastal Plain, David M. Wright, Harry Pavulaan
The Taxonomic Report of the International Lepidoptera Survey
A new species of Polyommatinae, Celastrina idella, is described from the sandy Atlantic coastal plain of the eastern United States. It is presently known to occur from southern New Jersey through Georgia. Celastrina idella larvae have been recorded from four species of Ilex (holly). Celastrina idella is distinguished from sympatric C. ladon and C. neglecta by differences in larval host, flight period, pupal diapause, and adult size and wing characters. In the New Jersey pine barrens the butterfly is univoltine and flies in the spring between the flights of its sympatric congeners.