A SYSTEMATIC REVIEW OF THE NORTH AMERICAN SPECIES OF THE OREODYTES ALASKANUS CLADE (COLEOPTERA: DYTISCIDAE: HYDROPORINAE)

1993 ◽  
Vol 125 (5) ◽  
pp. 847-867 ◽  
Author(s):  
Yves Alarie
Keyword(s):  
Systematic Review ◽  
North American ◽  
Sister Group ◽  
North American Species ◽  
Abdominal Sternite ◽  
The North ◽  
Subjective Synonym

AbstractNorth American members of the Oreodyies alaskanus clade are revised. The species O. productotruncatus (Hatch) and O. recticollis (Fall) are recognized as valid and those names are removed from junior synonymy with O. alaskanus (Fall.). Oreodytes leechi Zimmerman is considered a new junior subjective synonym of O. recticollis. Lectotype designations are provided for O. alaskanus and O. recticollis. Palaearctic O. dauricus (Motschulsky) is included within the O. alaskanus clade whose members are characterized by the protibia having the inner margin sinuate and strongly narrowed proximally, Oreodytes kanoi Kamiya, from Japan, is suggested as the sister-group of members of the O. alaskanus clade based on the shared presence in the female of a last abdominal sternite with an emargination at the apex.

A new catostomid fish (Ostariophysi, Cypriniformes) from the Eocene Kishenehn Formation and remarks on the North American species of †AmyzonCope, 1872

2016 ◽  
Vol 90 (2) ◽  
pp. 288-304 ◽  
Author(s):  
Juan Liu ◽  
Mark V.H. Wilson ◽  
Alison M. Murray
Keyword(s):  
New Species ◽  
North American ◽  
Phylogenetic Analyses ◽  
Distinct Species ◽  
Sister Group ◽  
North American Species ◽  
Pelvic Bone ◽  
The North ◽  
Basal Clade ◽  
Osteological Characters

AbstractFossil catostomids were very rare prior to the Eocene. After the Eocene, they suddenly decreased in diversity in Asia while becoming common fishes in the North American fauna. Knowledge of the taxonomy, diversity, and distribution of Eocene catostomids is critical to understanding the evolution of this fish group. We herein describe a new catostomid species of the genus †AmyzonCope, 1872 from the Eocene Kishenehn Formation in Montana, USA. The new species, †Amyzon kishenehnicum, differs from known species of †Amyzonin having hypurals 2 and 3 consistently fused to the compound centrum proximally, and differs from other Eocene catostomids in that the pelvic bone is intermediately forked. All our phylogenetic analyses suggest that the new species is the sister group of †A.aggregatumWilson, 1977 and that †Amyzonis the most basal clade of the Catostomidae. We reassessed the osteological characters of the North American species of †Amyzonfrom a large number of well-preserved specimens of the new species, as well as †A.gosiutenseGrande et al., 1982 and †A.aggregatum. Osteological characters newly discovered indicate that †A.gosiutenseis not a junior synonym of †A.aggregatum, but should be retained as a distinct species.

A REVIEW OF THE NORTH AMERICAN SPECIES OF RHIZOPHAGUS HERBST AND A REVISION OF THE NEARCTIC MEMBERS OF THE SUBGENUS ANOMOPHAGUS REITTER (COLEOPTERA: RHIZOPHAGIDAE)

1990 ◽  
Vol 122 (1) ◽  
pp. 131-171 ◽  
Author(s):  
Yves Bousquet
Keyword(s):  
New Taxa ◽  
North American ◽  
Type Species ◽  
North American Species ◽  
The Other ◽  
Type Material ◽  
Material Section ◽  
Distribution Maps ◽  
The North ◽  
Subjective Synonym

AbstractThe Nearctic species of the subgenus Anomophagus Reitter of the genus Rhizophagus Herbst are revised. Four taxa are recognized: R. brunneus brunneus Horn 1879, R. brunneus fenyesi Méquignon 1913a, R. pseudobrunneus sp.nov., and R. galbus sp.nov.For the other Nearctic species of the genus, a diagnosis, a type material section, and distributional notes are provided. Two new taxa are described, R. minutus rotundicollis and R. pusillus. Seven specific names are treated as new junior synonyms, namely (with the valid name in parentheses): R. longiceps Casey 1916 and R. rectus Casey 1916 (= R. cylindricus LeConte 1866); R. minutus quadriguttatus Méquignon 1913b (= R. minutus minutus Mmnerheim 1853); R. remotus luteus Méquignon 1913b (= R. remotus LeConte 1866); R. sculpturatus horni Méquignon 1913b (= R. sculpturatus Mannerheim 1852); R. dimidiatus testaceus Méquignon 1913b and R. dimidiatus assimilis Méquignon 1913b (= R. dimidiatus Mannerheim 1843). The subgenera name Syringobidia Casey 1916 (type species: R. cylindricus LeConte 1866) is treated as a new junior subjective synonym of Rhizophagus s.str. A key to all Nearctic species of Rhizophagus is provided with distribution maps of the species.

Diversification of the North American Doellingeria-Eucephalus Clade (Astereae: Asteraceae) Inferred from Molecular and Morphological Evidence

2019 ◽  
Vol 44 (4) ◽  
pp. 930-942
Author(s):  
Geraldine A. Allen ◽  
Luc Brouillet ◽  
John C. Semple ◽  
Heidi J. Guest ◽  
Robert Underhill
Keyword(s):  
North American ◽  
Sequence Data ◽  
Phylogenetic Analyses ◽  
Sister Group ◽  
Morphological Evidence ◽  
South American ◽  
New Combinations ◽  
The North ◽  
Hybridization Event ◽  
Ancient Hybridization

Abstract—Doellingeria and Eucephalus form the earliest-diverging clade of the North American Astereae lineage. Phylogenetic analyses of both nuclear and plastid sequence data show that the Doellingeria-Eucephalus clade consists of two main subclades that differ from current circumscriptions of the two genera. Doellingeria is the sister group to E. elegans, and the Doellingeria + E. elegans subclade in turn is sister to the subclade containing all remaining species of Eucephalus. In the plastid phylogeny, the two subclades are deeply divergent, a pattern that is consistent with an ancient hybridization event involving ancestral species of the Doellingeria-Eucephalus clade and an ancestral taxon of a related North American or South American group. Divergence of the two Doellingeria-Eucephalus subclades may have occurred in association with northward migration from South American ancestors. We combine these two genera under the older of the two names, Doellingeria, and propose 12 new combinations (10 species and two varieties) for all species of Eucephalus.

The North American Species in Group VII of Ips De Geer (Coleoptera: Scolytidae)

1965 ◽  
Vol 97 (2) ◽  
pp. 193-198 ◽  
Author(s):  
G. R. Hopping
Keyword(s):  
United States ◽  
New Species ◽  
North American ◽  
North American Species ◽  
The North ◽  
Northern United States

AbstractGroup VII of North American Ips contains I. thomasi, new species, I. borealis Swaine and I. swainei R. Hopping. They are less than 4.0 mm. long and females have the front of the head or at least the vertex smooth and shining, impunctate, or with very fine sparse punctures; males are more coarsely granulate-punctate on the frons. The species are described and a key is given. All breed in Picea in Canada and northern United States.

Synopsis of the North American Species of Xylaria and Poronia (Continued)

1887 ◽  
Vol 3 (10) ◽  
pp. 109 ◽  
Author(s):  
J. B. Ellis ◽  
B. M. Everhart
Keyword(s):  
North American ◽  
North American Species ◽  
The North

A SYNOPSIS OF THE NORTH AMERICAN SPECIES OF SYNDIPNUS (HYMEN., ICHNEUMONIDAE)

1940 ◽  
Vol 72 (7) ◽  
pp. 135-145 ◽  
Author(s):  
G. Stuart Walley
Keyword(s):  
United States ◽  
North American ◽  
The United States ◽  
North American Species ◽  
National Museum ◽  
United States National Museum ◽  
The North

As noted below the two North American species described in Syndipnus by workers appear to belong in other genrra. In Europe the gunus is represented by nearly a score of species and has been reviewed in recent years by two writers (1, 2). North American collections contain very few representatives of the genus; after combining the material in the National Collection with that from the United States National Museum, the latter kindly loaned to me by Mr. R. A. Cushman, only thirty-seven specimens are available for study.

scholarly journals THE NORTH AMERICAN SPECIES OF MAMESTRA, Ochs.

1881 ◽  
Vol 13 (6) ◽  
pp. 126-130
Author(s):  
A. R. Grote
Keyword(s):  
North American ◽  
North American Species ◽  
The North

The species of this genus have hairy eyes, unarmed tibiæ and a tufted thorax. The dorsum of the abdomen is more or less tufted, but in some species the tuftings are not noticeable. Several species which seem to me to belong to Graphiphora (Taeniocanpa) have been referred to this genus ; among these I may mention orobia of Harvey, modesta, incincta and thecata of Morrison, and the species described by me as rufula and puerilis.

The North American Allies of Hylobius piceus (De Geer) (Coleoptera: Curculionidae)

1957 ◽  
Vol 89 (1) ◽  
pp. 37-43 ◽  
Author(s):  
Stephen L. Wood
Keyword(s):  
North American ◽  
Distinct Species ◽  
Morphological Characters ◽  
North American Species ◽  
Winged Form ◽  
The North ◽  
The Status ◽  
Field Workers ◽  
Dimorphic Species ◽  
Biological Differences

While investigating the biology of the North American species of Hypomolyx, field workers in Manitoba found a vestigial, or short-winged, and a long-winged form under apparently identical conditions in about equal numbers. Although biological differences were nor then apparent, there was doubt as to whether they were dealing with one dimorphic species or with two distinct species, A search for morphological characters brought to light numerous differences between the two forms, supporting the view that two species were present. These differences, a description the previously unrecognized species, and notes concerning the status of the genera Hylobius and Hypomolyx are reported below.

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