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Articles 1 - 30 of 61
Full-Text Articles in Entomology
Phylogenetic Analysis Of The Subtribe Rutelina And Revision Of The Rutela Generic Groups (Coleoptera: Scarabaeidae: Rutelinae: Rutelini), Mary Liz Jameson
Phylogenetic Analysis Of The Subtribe Rutelina And Revision Of The Rutela Generic Groups (Coleoptera: Scarabaeidae: Rutelinae: Rutelini), Mary Liz Jameson
University of Nebraska State Museum: Entomology Papers
This work provides a comprehensive review of the phylogeny and classification of the subtribe Rutelina and a revision of the genus Rutela (Rutelina). Because of the lack of a thorough study of all taxa in the subtribe and because of differing philosophies regarding categorical levels, the classification of the subtribe is currently unstable. Phylogenetic analyses of 32 representative genera or subgenera in the tribe Rutelini were conducted as a means of: (1) resolving classification conflicts within the subtribe Rutelina, (2) identifying monophyletic groups within the subtribe, and (3) identifying monophyletic lineages within the tribe Rutelini. Analyses were conducted using 128 …
The L3 Neuron And An Associated Prothoracic Network Are Involved In Calling Song Recognition By Female Crickets, John Stout, Nathan Carlson, Hilary Bingol, James Ramseier, Michael Bronsert, Gordon Atkins
The L3 Neuron And An Associated Prothoracic Network Are Involved In Calling Song Recognition By Female Crickets, John Stout, Nathan Carlson, Hilary Bingol, James Ramseier, Michael Bronsert, Gordon Atkins
Faculty Publications
In young virgin Acheta domesticus females, the spiking response of the prothoracic L3 auditory interneuron discriminates between calling songs (CSs) with phonotactically attractive and unattractive syllable periods (SPs), which parallels phonotactic discrimination. Presentation of a CS with an originally attractive SP, but with the intensity modulated so as to minimize L3's selective response, results in a CS with little phonotactic attractiveness. Conversely, a CS with an originally unattractive SP becomes much more attractive when the CS is intensity modulated in ways that duplicate L3's selective response. L3's discriminatory response to CS SP deteriorates with age, in parallel with decreased phonotactic …
Insect Resistant Rice, Maize And Wheat Cultivars In Sustainable Agriculture, E. A. Heinrichs, J. E. Foster
Insect Resistant Rice, Maize And Wheat Cultivars In Sustainable Agriculture, E. A. Heinrichs, J. E. Foster
Department of Entomology: Faculty Publications
The achievement of self sufficiency in food production is a major objective of governments throughout the world. Insects are one of the major constraints that limit the production of food crops. To mitigate losses due to insects. insect resistant cultivars are sought as a major tactic in the development of integrated pest management strategies. The integration of insect resistant cultivars with other pest management tactics contributes to crop pest management strategies that are environmentally and economically acceptable. Multiple pest resistant crop cultivars have high yield stability when grown in pest-infested environments. Significant progress on a global basis has been achieved …
Differential Toxicity Of Atrazine To Selected Freshwater Algae, J.-X. Tang, Kyle D. Hoagland, Blair D. Siegfried
Differential Toxicity Of Atrazine To Selected Freshwater Algae, J.-X. Tang, Kyle D. Hoagland, Blair D. Siegfried
Department of Entomology: Faculty Publications
The documented presence of atrazine in surface waters has prompted a large number of studies on its potential adverse effects on nontarget organisms such as freshwater algae, which are the most important primary producers in aquatic habitats and are potential indicators of water quality (Blaise 1993). Recently, a comprehensive database of the ecological effects of atrazine, including 85 freshwater organisms, was compiled (Solomon et al. 1996). Based on this compilation of acute ( ≤ 4 day) or chronic (> 9 day) toxicity values, algae are the most susceptible aquatic organisms to atrazine, although it is apparent that different species and …
Use Of Rubidium To Label Lysiphlebus Testaceipes (Hymenoptera: Braconidae), A Parasitoid Of Greenbugs (Homoptera: Aphididae), For Dispersal Studies, Odair A. Fernandes, Robert J. Wright, Karl H. Baumgarten, Z. B. Mayo
Use Of Rubidium To Label Lysiphlebus Testaceipes (Hymenoptera: Braconidae), A Parasitoid Of Greenbugs (Homoptera: Aphididae), For Dispersal Studies, Odair A. Fernandes, Robert J. Wright, Karl H. Baumgarten, Z. B. Mayo
Department of Entomology: Faculty Publications
A reliable method of labeling is needed to study dispersal of the braconid parasitoid, Lysiphlebus testaceipes (Cresson), an important biological control of greenbugs, Schizaphis graminum (Rondani), on grain sorghum, Sorghum bicolor (L.) Moench. The feasibility of using aqueous solutions of rubidium chloride (RbCl) applied as a foliar spray or soil drench to label greenbugs and L. testaceipes developing within greenbugs was studied. Laboratory and field studies were conducted to identify the minimal concentration of RbCl to assure labeling of greenbugs and wasps, persistence of Rb throughout the wasp's life span, mobility of Rb to unsprayed sorghum leaves, and feasibility of …
Toxicity Of Seven Monoterpenoids To Tracheal Mites (Acari: Tarsonemidae) And Their Honey Bee (Hymenoptera: Apidae) Hosts When Applied As Fumigants, Marion D. Ellis, Frederick P. Baxendale
Toxicity Of Seven Monoterpenoids To Tracheal Mites (Acari: Tarsonemidae) And Their Honey Bee (Hymenoptera: Apidae) Hosts When Applied As Fumigants, Marion D. Ellis, Frederick P. Baxendale
Department of Entomology: Faculty Publications
Laboratory bioassays were conducted to characterize the acute toxicity of 7 monoterpenoids to tracheal mites, Acarapis woodi (Rennie), and their honey bee, Apis mellifera L., hosts. Citral, thymol, carvacrol, α-terpineol, pulegone, d-limonene, and menthol were applied as fumigants to mite-infested honey bees. Thymol and menthol were the most toxic compounds to honey bees, and α-terpineol was the least toxic. Menthol, citral, thymol, and carvacrol were more toxic to tracheal mites than to honey bees. Pulegone, d-limonene, and α-terpineol were more toxic to honey bees than to tracheal mites. Menthol was 18.9 times more toxic to tracheal mites than to …
Stings Of Some Species Of Lordomyrma And Mayriella (Formicidae: Myrmicinae), Charles Kugler
Stings Of Some Species Of Lordomyrma And Mayriella (Formicidae: Myrmicinae), Charles Kugler
Insecta Mundi
The sting apparatus and pygidium are described for eight of 20 Lordomyrma species and one of five Mayriella species. The apparatus of L. epinotalis is distinctly different from that of other Lordomyrma species. Comparisons with other genera suggest affinities of species of Lordomyrma to species of Cyphoidris and Lachnomyrmex, while Mayriella abstinens Forel shares unusual features with those of Proatta butteli.
West Indian Species Of Beameromyia Martin (Diptera: Asilidae), A. G. Scarbrough
West Indian Species Of Beameromyia Martin (Diptera: Asilidae), A. G. Scarbrough
Insecta Mundi
The West Indian species of Beameromyia Martin are reviewed. Four new species are described, and Beameromyia insulara Martin and B. cubensis (Bigot) are redescribed. Illustrations of the genitalia and a key to the known West Indian species are included.
Gambrus Wileyi (Hymenoptera: Ichneumonidae), A New Cryptine Wasp From Florida, Julieta Brambila
Gambrus Wileyi (Hymenoptera: Ichneumonidae), A New Cryptine Wasp From Florida, Julieta Brambila
Insecta Mundi
Gambrus wileyi is described from north Florida. Additional distributional data are provided for three other Florida species, G. bituminosus, G. polyphemi, and G. ultimus. Gambrus extrematis is included in this work, even though its presence in Florida is questionable.
Theclinae Of Rondonia, Brazil: Gigantorubra And Angulopis, With Descriptions Of New Species (Lepidoptera: Lycaenidae), George T. Austin, Kurt Johnson
Theclinae Of Rondonia, Brazil: Gigantorubra And Angulopis, With Descriptions Of New Species (Lepidoptera: Lycaenidae), George T. Austin, Kurt Johnson
Insecta Mundi
The species of Gigantorubra and Angulopis encountered in the Cacaulandia area of central Rondonia, Brazil, are reviewed. These include species (all new) of Gigantorubra (G. microserrata, G. divergens, G. quadramacula, G. ampla, G. fuscafascia, G. silva, G. rondonia, G. obscura, G. perplexa, G. purpura) and one new species of Angulopis (A. tenuis). Thecla sangola Hewitson (1868) is recognized as having priority over Thecla autoclea Hewitson (1863-1878 [1877]), new synonym. Rondonia continues to appear as a center of thecline endemism and to provide abundant examples of sibling species diversity.
The Paduniella (Trichoptera: Psychomyiidae) Of China, With A Phylogeny Of The World Species, Youwen J. Li, John C. Morse
The Paduniella (Trichoptera: Psychomyiidae) Of China, With A Phylogeny Of The World Species, Youwen J. Li, John C. Morse
Insecta Mundi
The phylogenetic relationships of the species of Paduniella are analyzed based on characters of larvae, pupae, and adults (mainly male genitalia). The genus is monophyletic and most closely related to Psychomyia, and Metalype in the subfamily Psychomyiinae. Nine species groups are suggested. Eight species including six new to science are reported from the People’s Republic of China for the first time.
The Zethus Of Venezuela (Hymenoptera: Eumenidae), Lionel A. Stange
The Zethus Of Venezuela (Hymenoptera: Eumenidae), Lionel A. Stange
Insecta Mundi
Thirty four species of Zethus are enumerated from Venezuela, providing known and new locality records. Six new species are described: Z. rubioi and Z. vincenti in the subgenus Zethusculus, Z. carpenteri, and Z. milleri in the subgenus Zethoides, and Z. bolivarensis and Z. yepezi in the nominate subgenus. A key to the species of Venezuela is provided. The distribution patterns of Zethus are discussed.
Taxonomic Notes On Amblycerus Thunberg, 1815 (Coleoptera: Bruchidae), John M. Kingsolver, Cibele S. Ribeiro-Costa
Taxonomic Notes On Amblycerus Thunberg, 1815 (Coleoptera: Bruchidae), John M. Kingsolver, Cibele S. Ribeiro-Costa
Insecta Mundi
The following changes in nomenclature of some species of Amblycerus Thunberg, 1815, are proposed: A) Elevated to new taxonomic status-A. insuturatus (Pic, 1902) from (Spermophagus subflavidus var. insuturatus); A. luteolineatus (Pic, 1929) from (Spermophagus luteonotatus var. luteolineatus); A. paulonotatus (Pic, 1906) from (Spermophagus luteonotatus var. paulonotatus). B) New synonmy-A. dispar (Sharp, 1885)(= Spermophagus longissimus Pic, 1902; =S. caryoboriformis Pic, 1910; = S. guyanensis Pic, 1917; S. piceosuturalis Pic, 1927; =S. caracasensis Pic, 1954); A. gounellei (Pic. 1902)(= S. eurtus Pic, 1911; =S. basipennis Pic, 1936); A. insuturatus (Pic, 1902)(= …
A Re-Evaluation Of The Millipede Genus Motyxia Chamberlin, With A Re-Diagnosis Of The Tribe Xystocheirini And Remarks On The Bioluminescence (Polydesmida: Xystodesmidae), Rowland M. Shelley
A Re-Evaluation Of The Millipede Genus Motyxia Chamberlin, With A Re-Diagnosis Of The Tribe Xystocheirini And Remarks On The Bioluminescence (Polydesmida: Xystodesmidae), Rowland M. Shelley
Insecta Mundi
Motyxia Chamberlin is comprised of eight species of bioluminescent xystocheirine millipede in which the gonopodal solenomere arisess at different positions, from basally and subbasally on the acropodite to being fused with the companion acropodal branch and detaching proximad or near midlength. Previous synonymies of Amplocheir Chamberlin and Luminodesmus Loomis and Davenport under Motyxia are confirmed as is its assignment to the tribe Xystocheirini, which is redefined. Component species are M. kerna Chamberlin, the type species, monica Chamberlin, sequoiae (Loomis and Davenport), tularea (Chamberlin), sequoia (Chamberlin), pior Chamberlin, porrecta Causey and Tiemann, and tiemannim Causey. Motyxia sequoia is comprised of two …
Theclinae Of Rondonia, Brazil: Strymon Hubner, With Descriptions Of New Species (Lepidoptera: Lycaenidae), George T. Austin, Kurt Johnson
Theclinae Of Rondonia, Brazil: Strymon Hubner, With Descriptions Of New Species (Lepidoptera: Lycaenidae), George T. Austin, Kurt Johnson
Insecta Mundi
Twenty-two species of Strymon are known from the vicinity of Cacaulandia in Rondonia, Brazil, of which 14 are new species. These belong to 5 species groups: the “oreala” group [Strymon megarus (Godart)]; the “ziba” group [Strymon ziba (Hewiston), Strymon thulia (Hewitson), Strymon spinatus new species, Strymon latamaculus new species, Strymon pallidulus new species, Strymon tholus new species]; “valentina” group [Strymon rotundum new species]; “crossoca” group [Strymon crossoca (Hewiston), Strymon crambusa (Hewiston), Strymon germana new species, Strymon novasignum new species, Strymon clavus new species, Strymon implexus new species, Strymon …
Tinodes Species (Trichoptera: Psychomyiidae) From The People's Republic Of China, Youwen J. Li, John C. Morse
Tinodes Species (Trichoptera: Psychomyiidae) From The People's Republic Of China, Youwen J. Li, John C. Morse
Insecta Mundi
Five species of the genus Tinodes from the People’s Republic of China are described and re-described, among which four species are new to science. A key to males of all five species and a key to females of two species are given.
Cse Memoir Series
Insecta Mundi
This series of volumes was instigated to provide for the publication of manuscripts too large for our quarterly journal, Insecta Mundi, and so, it is an outlet for major works of general interest, dealing with all aspects of systematics. Prospective titles should be discussed with the Memoir Series Editor, CSE, P. 0. Box 147100, Gainesville, FL 32614- 7100.
News And Views
Insecta Mundi
Volume 11, no. 2 of our newsletter, News and Views, was distributed to those attending the annual meeting of CSE at Daytona Beach, Florida. It contained the program for the meeting, information about the Center, and the order form for Memoir No. 1, The lady beetles of far eastern Russia. (The order form is also printed on page 352 of this issue of Insects Mundi.). Copies of the symposium issue of the newsletter may be obtained in hard copy on request to the editor. However, for those connected to the internet, it is also reproduced on our web page. Volume …
Comments On A Review Of “Ants And Plants”, Pierre Jolivet
Comments On A Review Of “Ants And Plants”, Pierre Jolivet
Insecta Mundi
The book, "Ants and Plants," so severely attacked in a review by Alan N. Andersen in 1996 (Australia Journal of Entomology, vol. 35, p. 200), was applauded, in it's French version, by another Australian, Prof. R. C. Buckley, in Science. The famous English ant specialist, Barry Bolton, also praised the book in his "Identification guide to the ant genera of the World" (1994). The text of both the French and English versions is the same, except the English version included many new hosts plants from Central America and Southeast Asia.
Polyplectropus Species (Trichoptera: Polycentropodidae) From China, With Consideration Of Their Phylogeny, Youwen J. Li, John C. Morse
Polyplectropus Species (Trichoptera: Polycentropodidae) From China, With Consideration Of Their Phylogeny, Youwen J. Li, John C. Morse
Insecta Mundi
Six species of the genus Polyplectropus are recorded from the People’s Republic of China. All the species are new to science. A key to the males is given. The larva of Polyplectropus nanjingensis sp. nov. is illustrated. The phylogenetic relationships among these species and with Polyplectropus species of the New World are discussed.
Riparian Refugia In Agroforestry Systems, Mary Ellen Dix, Erol Akkuzu, Ned B. Klopfenstein, Jianwei Zhang, Mee-Sook Kim, John E. Foster
Riparian Refugia In Agroforestry Systems, Mary Ellen Dix, Erol Akkuzu, Ned B. Klopfenstein, Jianwei Zhang, Mee-Sook Kim, John E. Foster
Department of Entomology: Faculty Publications
In the last 200 years, cultivation, grazing, and other activities initiated by humans have destroyed more than 80 percent of the strips of vegetation along North American and European streams and other bodies of water (Decamps and Naiman 1989; Petts et al. 1989). This disappearance of the riparian zones is continuing with little concern for ecological consequences. At the same time, riparian buffer strips are being promoted as a preferred management practice in the United States, especially in the Great Plains, to protect water resources from soil and chemical pollution (Schoeneberger 1994; Schoeneberger et al. 1995; Schultz et al. 1995a; …
Comparison Of Risk/Hazard Rating Systems For Mountain Pine Beetle In Black Hills Ponderosa Pine Forests, Judith Pasek, Thomas Juntti
Comparison Of Risk/Hazard Rating Systems For Mountain Pine Beetle In Black Hills Ponderosa Pine Forests, Judith Pasek, Thomas Juntti
Judith E Pasek
Insect Pests And Arthropod Predators Associated With Tree-Turf Landscapes, Mary Ellen Dix, Frederick P. Baxendale
Insect Pests And Arthropod Predators Associated With Tree-Turf Landscapes, Mary Ellen Dix, Frederick P. Baxendale
Department of Entomology: Faculty Publications
Sweep-nets and pitfall traps were used to examine the distribution and dynamics of predominant predators and pests in turfgrass foliage in parks, golf courses and suburban/rural landscapes in 1991 and 1992. Araneae, Formicidae, and Coccinellidae were the most abundant predators in the sweeps, while Araneae, Formicidae, and) Carabidae were the most abundant predators in the pitfall traps. In both years, Araneae comprised over 60% of the total predators in the sweep samples. Formicidae (>70%) and Araneae (13-19%) were the most abundant arthropod predators in the pitfall samples. Cicadellidae, Chrysomelidae, and Orthoptera accounted for over 96% of the prey in …
The Nearctic Species Of Oetophorus (Hymenoptera, Ichneumonidae, Ctenopelmatinae), John R. Barron
The Nearctic Species Of Oetophorus (Hymenoptera, Ichneumonidae, Ctenopelmatinae), John R. Barron
Insecta Mundi
The Nearctic members of the genus Oetophorus Foerster are revised. There are four species, O. pleuralis (Cresson , and O. obscurus, O. clavatus, and O. maculatus, new species. The name Oetophorus stretchii (Cresson) is placed in synonmy with the name Oetophorus pleuralis (Cresson). Relationships of the genus with others in the tribe Perilissini nnd relationships of the species included in the genus are briefly discussed.
Book Review: Biologie Des Coleopteres Chrysomelides By Pierre Jolivetj, R. H. Arnett Jr.
Book Review: Biologie Des Coleopteres Chrysomelides By Pierre Jolivetj, R. H. Arnett Jr.
Insecta Mundi
The main biological aspects of this economically important group of beetles, the Chrysomelidae, are summarized in this new work by the internationally known author, Dr. Pierre Jolivet. Around 37,000 species are now described and more remain to be named. The size and diversity of the family are less than those of the weevils (Curculionidae), but probably there will be a total of 40 to 50 thousand species once the canopy fauna is better known. For instance, we still know nothing about the biology and the host plants of the Madagascaran leaf beetles and surely many more species from that region …
A Revision Of The Sclerocoelus Galapagensis Group (Diptera: Sphaeroceridae: Limosininae), S. A. Marshall
A Revision Of The Sclerocoelus Galapagensis Group (Diptera: Sphaeroceridae: Limosininae), S. A. Marshall
Insecta Mundi
The Sclerocoelus galapagensis group is defined and revised, including the description of S. galapagensis new species from the Galapagos Islands; S. caribensis new species from the Caribbean and adjacent areas; S. brasilensis new species from Brazil, Ecuador, Colombia, ancl Panama; S. hemorrhoidalis new species from Ecuador and Venezuela; and S. andensis new species from Argentina, Bolivia, and Venezuela. The south Atlantic species Sclerocoelus subbrevipennis (Frey), new combination, is redescribed as a member of the S. galapagensis group, and is considered the sister species to the rest of the species group. A key to species, character matrix, and cladogram are provided.
Nomenclatural Changes, Reinstatements, New Combinations, And New Synonymies Among American Cerambycids (Coleoptera), Gerard Luc Tavakilian
Nomenclatural Changes, Reinstatements, New Combinations, And New Synonymies Among American Cerambycids (Coleoptera), Gerard Luc Tavakilian
Insecta Mundi
New synonyms: Protormascabrosa Waterhouse, 1880 and Protorma recurvatum Williams, 1829 = Strongylaspis costifer Thomson, 1877; Callopisma ruficollis Bates, 1870 =Eriphus croceicollis White, 1855; Odontocera cinctiventris Bates, 1870 = Odontocera simplex White, 1855; Tomopterus aurantiacosignatus Zajciw, 1969 =Tomopterus similis Fisher, 1930; Cerambyx spectabilis Voet, 1778 = Cerambyx velutinus Fabricius, 1775; Chion ochraceus Bates, 1885 = Lamia spinifera Fabricius, 1792; Lissonotus shepherdi Pascoe, 1859 =Callidium equestre Fabricius, 1787; Cerambyx pulverulentus Olivier, 1790 = Cerambyx farinosus Linne, 1758; Lamia crypta Say, 1832 = Saperda annulata Fabricius, 1801; Ptericoptus forsteri Tippmann, 1960 = Bisaltes buquetti Thomson, 1868; Ataxia flaviceps Breuning, 1942 …
Scirtothrips Perseae (Thysanoptera: Thripidae), A New Species Infesting Avocado In Southern California, Sueo Nakahara
Scirtothrips Perseae (Thysanoptera: Thripidae), A New Species Infesting Avocado In Southern California, Sueo Nakahara
Insecta Mundi
Scirtothrips perseae new species is described. It is a pest of avocado in southern California.
An Illustrated Descriptive Catalogue Of The Genera Anidrytus Gerstaecker And Epopterus Chevrolat, With Descriptions Of New Species (Coleoptera: Endomychidae), H. F. Strohecker
An Illustrated Descriptive Catalogue Of The Genera Anidrytus Gerstaecker And Epopterus Chevrolat, With Descriptions Of New Species (Coleoptera: Endomychidae), H. F. Strohecker
Insecta Mundi
The endomychid beetle genera Anidrytus Gerstaecker and Epopterus Chevrolat have been confused for many years. This paper discusses the similarities and differences of these genera, describes new species, makes some nomenclatural changes, and illustrates the genitalia for many species. New species described: Epopterus picticollis, E bioculatus, E. confusus, E gracilis, E. loretensis, E. anomalus, E. aravacus, E. atriventris, E. crypticus, E. quechuanus, E. callerianus, E. flavonotatus, E. submaculatus, E. parvus, Anidrytus nimbiferus, A. parki, A. compactus, A. gibbosus, A. circumcinctus, A. bechyneorum, A. batesi, A. mexicanus, A. trinitatis, A. major, A. humerosus, A. grandis, A. cardiosoma. New synonymies: E. vacuus …
A New U.S. Record For A Secondary Fruit Infester, Neosilba Batesi (Curran) (Diptera: Lonchaeidae), Kurt Ahlmark, Gary J. Steck
A New U.S. Record For A Secondary Fruit Infester, Neosilba Batesi (Curran) (Diptera: Lonchaeidae), Kurt Ahlmark, Gary J. Steck
Insecta Mundi
A lonchaeid fly, Neosilba batesi, first described by Curran in 1932 from Guatemala, is here reported in Florida as of September 1994, a new U.S. record. Five larvae found infesting avocado fruit were reared to adults. The authors first identified the adults and our initial determination was confirmed by Dr. Al Norrbom of the Systematic Entomology Laboratory, USDA, Washington, D.C. A number of other specimens were subsequently collected and are recorded here as well. The species is probably a secondary invader of fruit, following initial attack by Anastrepha fruit flies, as observed in several other lonchaeid species (Curran, 1932; …