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- Rutelinae (3)
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- Strehlia (2)
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- Masked chafer (1)
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Articles 1 - 30 of 74
Full-Text Articles in Life Sciences
Revision Of The Genus Chalcasthenes Arrow (Coleoptera: Scarabaeidae: Dynastinae: Oryctoderini) From The Solomon Islands, Mary Liz Jameson, Brett C. Ratcliffe
Revision Of The Genus Chalcasthenes Arrow (Coleoptera: Scarabaeidae: Dynastinae: Oryctoderini) From The Solomon Islands, Mary Liz Jameson, Brett C. Ratcliffe
Brett C. Ratcliffe
Abstract The genus Chalcasthenes Arrow (Dynastinae: Oryctoderini), a scarab beetle genus endemic to the Solomon Islands, is reviewed. Based on examination of type specimens, the genus Strehlia Frey (Rutelinae: Rutelini: Parastasiina) is a new junior synonym of Chalcasthenes. The historical classification of these genera (either in the subfamily Dynastinae or Rutelinae) and character-based criteria for assigning the taxa to the Dynastinae are provided. We discuss character states that support the monophyly of members of the genus Chalcasthenes, comment on the distribution and biogeography of species in the genus and provide a key to species. The genus includes four species: Chalcasthenes …
Revision Of The Genus Chalcasthenes Arrow (Coleoptera: Scarabaeidae: Dynastinae: Oryctoderini) From The Solomon Islands, Mary Liz Jameson, Brett C. Ratcliffe
Revision Of The Genus Chalcasthenes Arrow (Coleoptera: Scarabaeidae: Dynastinae: Oryctoderini) From The Solomon Islands, Mary Liz Jameson, Brett C. Ratcliffe
Brett C. Ratcliffe
Abstract The genus Chalcasthenes Arrow (Dynastinae: Oryctoderini), a scarab beetle genus endemic to the Solomon Islands, is reviewed. Based on examination of type specimens, the genus Strehlia Frey (Rutelinae: Rutelini: Parastasiina) is a new junior synonym of Chalcasthenes. The historical classification of these genera (either in the subfamily Dynastinae or Rutelinae) and character-based criteria for assigning the taxa to the Dynastinae are provided. We discuss character states that support the monophyly of members of the genus Chalcasthenes, comment on the distribution and biogeography of species in the genus and provide a key to species. The genus includes four species: Chalcasthenes …
New Species And Distribution Records Of Surutu From Amazonian Brazil (Coleoptera: Scarabaeidae: Dynastinae), Brett C. Ratcliffe
New Species And Distribution Records Of Surutu From Amazonian Brazil (Coleoptera: Scarabaeidae: Dynastinae), Brett C. Ratcliffe
Brett C. Ratcliffe
Surutu fenni n. sp. and Surutu hesperius n. sp. are described from the Amazon Basin of Brazil. Surutu seabrai D'Andretta and Martinez is recorded from the Brazilian state of Amazonas for the first time. A key to the species is presented.
New Species Of Hemiphileurus Kolbe (Coleoptera: Scarabaeidae: Dynastinae) From The Dominican Republic With A Key To The West Indian Species Of Hemiphileurus, Brett C. Ratcliffe, Michael A. Ivie
New Species Of Hemiphileurus Kolbe (Coleoptera: Scarabaeidae: Dynastinae) From The Dominican Republic With A Key To The West Indian Species Of Hemiphileurus, Brett C. Ratcliffe, Michael A. Ivie
Brett C. Ratcliffe
Hemiphileurus ryani and H. phratrius, new species of dynastine scarabs, are described from the Dominican Republic. They are compared to their closest congeners. A new key to the nine species of Hemiphileurus Kolbe that occur in the West Indies is provided along with diagnostic illustrations of the male parameres.
New Species Of Hemiphileurus Kolbe (Coleoptera: Scarabaeidae: Dynastinae) From Mexico, Guatemala, Colombia, And Brazil, Brett C. Ratcliffe
New Species Of Hemiphileurus Kolbe (Coleoptera: Scarabaeidae: Dynastinae) From Mexico, Guatemala, Colombia, And Brazil, Brett C. Ratcliffe
Brett C. Ratcliffe
The following new species of Hemiphileurus are described: H. bispinosus Ratcliffe from Brazil, H. deslislesi Ratcliffe from Colombia, H. quadridentatus Ratcliffe from Guatemala, and H. warneri Ratcliffe from Mexico. The parameres of H. rugulosus Endrödi (Venezuela and Colombia) are illustrated to enable easier identification of this species, and H. kahni Dupuis and Dechambre is redescribed and recorded from Brazil for the first time. Diagnostic illustrations of the male parameres are provided for the above taxa. A checklist for all the species in the genus is given.
Se describen las siguientes nuevas especies de Hemiphileurus: H. bispinosus Ratcliffe de Brasil, …
Disproportionate Relative Importance Of A Terrestrial Beetle Family (Coleoptera: Scarabaeidae) As A Prey Source For Central Appalachian Brook Trout, Ryan M. Utz, Brett C. Ratcliffe, Brett T. Moore, Kyle J. Hartman
Disproportionate Relative Importance Of A Terrestrial Beetle Family (Coleoptera: Scarabaeidae) As A Prey Source For Central Appalachian Brook Trout, Ryan M. Utz, Brett C. Ratcliffe, Brett T. Moore, Kyle J. Hartman
Brett C. Ratcliffe
Brook trout Salvelinus fontinalis and other salmonids in Appalachia typically inhabit headwater watersheds, where food resources may limit growth. We monitored the feeding trends of a brook trout population in central Appalachia over the course of 2 years to determine variation in feeding intensity and important prey items. One terrestrial beetle family, Scarabaeidae, provided a disproportionate amount of energy during the only time of year when brook trout were feeding substantially above maintenance ration. Scarab beetles contributed 39.6% of all energy consumed during May and June of both years, though the number of fish with one or more scarabaeids present …
A New Species Of Neoscelis From Jalisco, Mexico (Coleoptera: Scarabaeidae: Cetoniinae), Alan D. Mudge, Brett C. Ratcliffe, Richard L. Westcott, Felipe A. A. Noguera
A New Species Of Neoscelis From Jalisco, Mexico (Coleoptera: Scarabaeidae: Cetoniinae), Alan D. Mudge, Brett C. Ratcliffe, Richard L. Westcott, Felipe A. A. Noguera
Brett C. Ratcliffe
Neoscelis coracina Mudge et Ratcliffe sp. n., from Jalisco, Mexico, is described and illustrated. Intraspecific variation is discussed, and diagnostic characters separating N. coracina sp. n. from N. dohrni (Westwood, 1855) are given. The key to males of New World Goliathini is revised. Notes on habitat, behavior, and collecting N. coracina sp. n. are included. A new state record is provided for N. dohrni.
Two New Species Of Cyclocephala From Arizona And Mexico And A Note On Melanistic C. Melanocephala (Coleoptera: Scarabaeidae: Dynastinae), Brett C. Ratcliffe
Two New Species Of Cyclocephala From Arizona And Mexico And A Note On Melanistic C. Melanocephala (Coleoptera: Scarabaeidae: Dynastinae), Brett C. Ratcliffe
Brett C. Ratcliffe
Cyclocephala aravaipensis n.sp. and C. warneri n.sp. are described from Arizona, U.S.A. and Chiapas, Mexico, respectively. An unusual melanistic form of C. melanocephala (Fab.) is reported from two localities in northeastern Quintana Roo, Mexico.
An Unusual New Unicorn Species Of Copris From Nicaragua (Scarabaeidae: Scarabaeinae, Coprini), Brett C. Ratcliffe
An Unusual New Unicorn Species Of Copris From Nicaragua (Scarabaeidae: Scarabaeinae, Coprini), Brett C. Ratcliffe
Brett C. Ratcliffe
Copris maesi, new species, is described from Nicaragua. This species is unlike any other New World Copris Miiller because of the single, long, pronotal horn. Its characters place it outside of any known Copris species group.
Trox Hamatus Robinson (Troginae) Using A Canthon (Scarabaeinae) Brood Ball And New Records Of North American Trox (Coleoptera: Scarabaeidae), Brett C. Ratcliffe
Trox Hamatus Robinson (Troginae) Using A Canthon (Scarabaeinae) Brood Ball And New Records Of North American Trox (Coleoptera: Scarabaeidae), Brett C. Ratcliffe
Brett C. Ratcliffe
Trox hamatus Robinson was observed feeding on an abandoned Canthon brood ball in southeastern Nebraska. Although some Aphodiinae and Scarabaeinae have been reported feeding on or stealing other scarabaeine dung balls, this represents the first reported observation of this behavior for a member of the Troginae. It is suggested that the brood ball was opportunistically used by the Trox, and the event is rare. In addition, new state records are provided for Trox aequalis Say, T. atrox LeConte, T. laticollis LeConte, and T. tesselatus (LeConte).
A Comparison Of Silphids Taken From Covered And Uncovered Carrion (Coleoptera : Silphidae), Brett C. Ratcliffe, Robert J. Luedtke
A Comparison Of Silphids Taken From Covered And Uncovered Carrion (Coleoptera : Silphidae), Brett C. Ratcliffe, Robert J. Luedtke
Brett C. Ratcliffe
As an extension of the silphid research by the senior author, an experiment was conducted to ascertain the differences, if any, in silphid species that would be attracted by placing covered and uncovered animal carcasses in the field. A review of the literature indicated that nothing has been published in this regard. In eastern Nebraska silphids are very active in the spring, their numbers being greater at this time of year than at any other. University of Nebraska Entomology Museum records show that 14 species have been taken in Lancaster County. Two tests were conducted at Steven's Creek, three miles …
Two Additional Invasive Scarabaeoid Beetles (Coleoptera: Scarabaeidae: Dynastinae) In Hawaii, Mary Liz Jameson, Darcy E. Oishi, Brett C. Ratcliffe, Grant T. Mcquate
Two Additional Invasive Scarabaeoid Beetles (Coleoptera: Scarabaeidae: Dynastinae) In Hawaii, Mary Liz Jameson, Darcy E. Oishi, Brett C. Ratcliffe, Grant T. Mcquate
Brett C. Ratcliffe
Two species of dynastine scarab beetles are reported for the first time on the island of Hawaii: the Pasadena masked chafer, Cyclocephala pasadenae (Casey) (Scarabaeidae: Dynastinae: Cyclocephalini) from North America and Temnorhynchus retusus (Fabricius) (Scarabaeidae: Dynastinae: Pentodontini) from Africa. The Pasadena masked chafer is established on the island of Hawaii, is a recognized pest of turf grass, and is a concern for agriculture and native Hawaiian arthropod species. Temnorhynchus retusus is not known to be an agricultural pest, but its spread on the islands could pose a problem for Hawaiian native species. We provide an overview of each species, characteristics …
The Dynastinae (Coleoptera: Scarabaeidae) Of The Bahamas With A Description Of A New Species Of Cyclocephala From Great Inagua Island, Brett C. Ratcliffe, Ronald D. Cave
The Dynastinae (Coleoptera: Scarabaeidae) Of The Bahamas With A Description Of A New Species Of Cyclocephala From Great Inagua Island, Brett C. Ratcliffe, Ronald D. Cave
Brett C. Ratcliffe
The seven genera and 13 species of dynastine scarabs recorded from the Bahamas are reviewed. Two of those species are endemic, including Cyclocephala dolichotarsa Ratcliffe and Cave, new species, described from Great Inagua Island. Eleven species are also known to occur in the USA and/or Cuba. Six species are probably not established based on infrequency of collection.
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
Brett C. Ratcliffe
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 thousand …
Invertebrate Lebensspuren Of Holocene Floodplains: Their Morphology, Origin And Paleoecological Significance, Brett C. Ratcliffe, J. A. Fagerstrom
Invertebrate Lebensspuren Of Holocene Floodplains: Their Morphology, Origin And Paleoecological Significance, Brett C. Ratcliffe, J. A. Fagerstrom
Brett C. Ratcliffe
Although rocks of floodplain origin are volumetrically important, they contain relatively few trace fossils; both abundance and diversity are low. Conversely, Holocene floodplain sediments locally contain abundant and diverse lebensspuren mostly produced by insects, spiders, nematodes, annelids and molluscs. At least 8 insect orders and 31 families include species that burrow in floodplain sediments and yet none of their lebensspuren are unique to this environment. Taxonomically dissimilar insects produce morphologically similar lebensspuren, and the same species, or individual, may produce very dissimilar lebensspuren. Thus, identification of tracemakers for rocks of floodplain origin is as difficult as for marine rocks. Trace …
The Revised Classification For Scarabaeoidea: What The Hell Is Going On?, Brett C. Ratcliffe, Mary Liz Jameson
The Revised Classification For Scarabaeoidea: What The Hell Is Going On?, Brett C. Ratcliffe, Mary Liz Jameson
Brett C. Ratcliffe
Considering the turmoil and vast changes in the classification of the superfamily Scarabaeoidea during the last 20 years, particularly in North America, we were asked to provide an update for the readers of Scarabs wherein we offer our perspectives. Much of what follows is extracted from our scarabaeoid introduction in American Beetles (Jameson and Ratcliffe 2002). By the time this overview is printed, there may have been more changes in the classification because of the rapidly accumulating evidence supporting new hypotheses. These rapid changes are a result of intensified study of the family groups using both traditional morphological evidence combined …
Strategus Syphax (Fabr.):A Description Of The Third Instar Larva And Pupa (Coleoptera: Scarabaeidae : Dynastinae), Brett C. Ratcliffe, Fortune Chalumeau
Strategus Syphax (Fabr.):A Description Of The Third Instar Larva And Pupa (Coleoptera: Scarabaeidae : Dynastinae), Brett C. Ratcliffe, Fortune Chalumeau
Brett C. Ratcliffe
The third instar larva and pupa of Strategus syphax (Fabr.) are described, and a key is presented for the known larvae of the genus Strategus.
Scientific Note: A Case Of Gynandromorphy In Golofa Tersander Burmeister (Coleoptra: Scarabaeidae), Brett C. Ratcliffe
Scientific Note: A Case Of Gynandromorphy In Golofa Tersander Burmeister (Coleoptra: Scarabaeidae), Brett C. Ratcliffe
Brett C. Ratcliffe
Golofa tersander is a sexually dimorphic species with males possessing a long, slender horn arising from the frons, a distinct pronotal tubercle anteriorly, a strongly convex pygidium, and an apically emarginate last sternite. Females, on the other hand, have only a tubercle on the frons, lack a pronotal tubercle, possess a relatively flat pygidium, and the last sternite is entire apically. Both of the specimens described here exhibit all of these external male character states just mentioned.
Review Of Hazel Rue, Bomby The Bombardier Beetle, Brett C. Ratcliffe
Review Of Hazel Rue, Bomby The Bombardier Beetle, Brett C. Ratcliffe
Brett C. Ratcliffe
Well, I thought that the style of brainwashing seen in this revisionist book went out with the 1950s Cold War era. However, the Institute for Creation Research demonstrates that brainwashing is alive and well as it continues to wage its own cold war against reason in order to replace it with superstition. In this highly disjointed little book, the target is young children, which makes the authors’ sin of deliberate ignorance even more reprehensible. Educating children about the wonders of nature is a delightful endeavor, but here it is a vehicle for blatantly meshing pseudo-natural history with creationist dogma that …
Synopsis Of The Oryctini (Coleoptera: Scarabaeidae: Dynastinae) From The Brazilian Amazon, Hector Jaime Gasca Alvarez, Claudio Ruy Vasconcelos Da Fonseca, Brett Ratcliffe
Synopsis Of The Oryctini (Coleoptera: Scarabaeidae: Dynastinae) From The Brazilian Amazon, Hector Jaime Gasca Alvarez, Claudio Ruy Vasconcelos Da Fonseca, Brett Ratcliffe
Brett C. Ratcliffe
The Oryctini (Coleoptera: Scarabaeidae: Dynastinae) is a large tribe of worldwide distribution with approximately 26 genera and 230 species. Fourteen genera and 113 species are found in the Neotropical region. Knowledge of the tribe in the Neotropics is fragmentary, necessitating further studies that address taxonomy, biology, and geographical distribution patterns. This study surveyed the Oryctini of the Brazilian Amazon. The composition of the group in the study area consisted of 7 genera, 18 species and 2 subspecies found in 7 states, 91 municipal districts, and approximately 167 specific localities. States with larger number of species are Amazonas and Pará, with …
Two New Species Of Dyscinetus From The West Indies And South America (Coleoptera: Scarabaeidae: Dynastinae), Brett C. Ratcliffe
Two New Species Of Dyscinetus From The West Indies And South America (Coleoptera: Scarabaeidae: Dynastinae), Brett C. Ratcliffe
Brett C. Ratcliffe
Dyscinetus imitator is described as new from Grand Cayman Island, West Indies, and D. ornaticaudus is described as new from Colombia.
A Synopsis Of The American Goliathini With Description Of A New Neoscelis From Mexico (Coleoptera: Scarabaeidae: Cetoniinae), Miguel E. Moron, Brett C. Ratcliffe
A Synopsis Of The American Goliathini With Description Of A New Neoscelis From Mexico (Coleoptera: Scarabaeidae: Cetoniinae), Miguel E. Moron, Brett C. Ratcliffe
Brett C. Ratcliffe
The two formerly monobasic genera of American Goliathini, Ischnoscelis and Neoscelis, are reviewed. Neoscelis longiclava Moron and Ratcliffe is described as new from Jalisco state in Mexico. A key and illustrations are provided to all taxa.
The Origin Of Chubutolithes Ihering, Ichnofossils From The Eocene And Oligocene Of Chubut Province, Argentina, Thomas M. Bown, Brett C. Ratcliffe
The Origin Of Chubutolithes Ihering, Ichnofossils From The Eocene And Oligocene Of Chubut Province, Argentina, Thomas M. Bown, Brett C. Ratcliffe
Brett C. Ratcliffe
ABSTRACT-The distinctive trace fossil Chubutolithes gaimanensis n. ichnosp. occurs in Casamayoran (early Eocene) and Colhuehaupian (late Oligocene) alluvial rocks of the Sarmiento Formation in eastern Chubut Province, Argentina. Though known for nearly 70 years, its origin has remained obscure. Examination of new specimens and comparisons with modem analogs demonstrate that specimens of Chubutolithes represent the fossil nests of a mud-dauber (Hymenoptera: Sphecidae). Virtually identical nests are constructed today by mud-daubers in areas as disparate as southern Santa Cruz Province, Argentina, and Nebraska, confirming that quite similar trace fossils can be produced by several different taxa in a higher taxonomic clade. …
"Insects" From Atlas Of The Sand Hills, Brett C. Ratcliffe
"Insects" From Atlas Of The Sand Hills, Brett C. Ratcliffe
Brett C. Ratcliffe
Because the Sand Hills are, for the most part, a treeless landscape of grass-covered sand dunes, most of the insects are adapted to sandy habitats and a dry, continental climate, as well as to the kinds of plants and other animals that live there. Unlike most forest-adapted species, insects in the Sand Hills tolerate drier and windier conditions and greater solar radiation. They have also been successful in surviving the periodic fires that are so necessary for maintaining native grasslands. In fact, the mosaic of habitats partially created by fire has probably contributed to increased insect diversity in the Sand …
Vi Reunión Latinoamericana De Scarabaeoidologia, Brett C. Ratcliffe
Vi Reunión Latinoamericana De Scarabaeoidologia, Brett C. Ratcliffe
Brett C. Ratcliffe
The “almost-every-two-year” meeting of Latin American scarab workers was held 10-16 October 2004 at EARTH University in the warm Atlantic lowlands of Limon Province, Costa Rica. Previous meetings have been held in Guatemala, Mexico, Ecuador, Colombia, and Brazil. The next meeting is tentatively planned for Bolivia in 2006.
Review Of Cetoniimania, A Publication Devoted To Cetoniinae, Valginae, And Trichiinae., Brett C. Ratcliffe
Review Of Cetoniimania, A Publication Devoted To Cetoniinae, Valginae, And Trichiinae., Brett C. Ratcliffe
Brett C. Ratcliffe
This beautifully produced publication devoted to Cetoniinae (Scarabaeidae) and their relatives is the brainchild of Robert Alexis (editor) and Michel Delpont (director of publication). Volume 1 (No. 1, 52 pp) was printed in September 2000 and contained articles clarifying the status of Potosia cuprea Fabr. (with magnificent color illustrations of beetles, habitats, and range maps), collecting on Krk island in Yugoslavia, the cetoniine fauna of Lesbos island in Greece, and Cetoniidarum Specierum Lexicon, which is a supplemental but integral part of Cetoniimania in which new taxa are described in both French and English (again, with excellent color illustrations and line …
New Combinations, Synonymy And Distribution Records For Neotropical Pentodontini And Oryctini (Coleoptera: Scarabaeidae: Dynastinae), Brett C. Ratcliffe, Roger-Paul Dechambre
New Combinations, Synonymy And Distribution Records For Neotropical Pentodontini And Oryctini (Coleoptera: Scarabaeidae: Dynastinae), Brett C. Ratcliffe, Roger-Paul Dechambre
Brett C. Ratcliffe
During the past several years a number of new taxa of Dynastinae have been described which we feel are synonymical with existing taxa. We have also accumulated a small number of new distributional records in the Pentodontini and Oryctini. In this paper we clarify some of these taxonomic "loose ends" by proposing several new synonyms and two new combinations. Dechambre examined the type of Heterogomphus niger Endrodi, and Ratcliffe examined the types of the three Endrodi species of Strategus and Endroedianibe bozzolai Chalumeau. We also list the new distributional records we have found.
Insects And The Native Vegetation Of Nebraska, Brett C. Ratcliffe, Paul C. Hammond
Insects And The Native Vegetation Of Nebraska, Brett C. Ratcliffe, Paul C. Hammond
Brett C. Ratcliffe
The principal plant biomes in Nebraska are briefly reviewed. The relationships of insects, particularly scarab beetles and butterflies, to these biomes are discussed, especially as it relates to their distributions. Human-induced alteration of habitat has significantly influenced the present distributions of both plants and insects relative to their historical distributions at the time of Euro-american colonization of Nebraska in the mid-1800s. Examples of range expansion or contraction are presented for exemplar taxa of scarab beetles and butterflies
A Remarkable New Species Of Megaceras From Peru (Scarabaeidae: Dynastinae: Oryctini). The ‘‘Dim Effect’’: Nature Mimicking Art, Brett C. Ratcliffe
A Remarkable New Species Of Megaceras From Peru (Scarabaeidae: Dynastinae: Oryctini). The ‘‘Dim Effect’’: Nature Mimicking Art, Brett C. Ratcliffe
Brett C. Ratcliffe
Megaceras briansaltini Ratcliffe, new species, is described from Peru. A description, diagnosis, and illustrations are provided, and the new species is compared with M. morpheus Burmeister, with which it shares similarities.
A Revision Of The Genus Strategus (Coleoptera: Scarabaeidae), Brett C. Ratcliffe
A Revision Of The Genus Strategus (Coleoptera: Scarabaeidae), Brett C. Ratcliffe
Brett C. Ratcliffe
The New World genus Strategus Kirby is here defined and revised for the first time. Eight species are described as new: S. atlanticus, S. caymani, S. craigi, S. hipposiderus, S. howdeni, S. longichomperus, S. symphenax, and S. tarquinius; 12 new junior synonyms are established (including the rejection of six previously valid species); one species is raised from synonymy; and two new replacement names are proposed. Strategus now contains one fossil species and 31 valid extant species. A key to the males and females of all the species is provided for the first time. All taxa are described or redescribed and …