ANNOTATED LIST OFUROLEUCON(UROLEUCON,UROMELAN,SATULA) (HOMOPTERA:APHIDIDAE) OF AMERICA NORTH OF MEXICO, WITH KEYS AND DESCRIPTIONS OF NEW SPECIES

1985 ◽  
Vol 117 (8) ◽  
pp. 1029-1054 ◽  
Author(s):  
A.G. Robinson

AbstractA key is given for 4 subgenera in the aphid genusUroleuconMordvilko in America north of Mexico. An annotated list and keys are presented for 44 species of the subgenusUroleucon, 12 species of the subgenusUromelanMordvilko, and 1 species of the subgenusSatulaOlive. Nine new species are described in the subgenusUroleucon:Uroleucon (Uroleucon) alaskensen. sp.,U.(U.) arnesensen. sp.,U.(U.)borealen. sp.,U.(U.)chanin. sp.,U.(U.)deltensen. sp.,U.(U.)elephantopicolan. sp.,U.(U.)ivaen. sp.,U.(U.)maximilianicolan. sp., andU.(U.)vancouverensen. sp. Two subspecies,U. (Uromelan)illinisubspeciescrudaeandsangamonense, are listed here merely as color forms ofillini(Hottes and Frison), not subspecies.Uroleucon(Uroleucon)muralisBuckton,U. (Uromelan)compositae(Theobald), andU.(U.)solidaginis(Fabricius) have been listed as present in North America, but there appear to be no authentic records of their occurrence.Uroleucon(Uroleucon)pseudochrysanthemi(Olive) is declared to be a synonym ofU.(U.)lanceolatumPatch, andU. (Uromelan)squarrosum(Sanborn) as anomen dubium.

2002 ◽  
Vol 76 (1) ◽  
pp. 76-94 ◽  
Author(s):  
Frederick A. Sundberg ◽  
Linda B. McCollum

Kochaspids are an informal group of ptychopariid trilobites that were both abundant and widespread in the early Middle Cambrian of North America. Based on the reassociation of pygidia and cranidia of some kochaspids, Kochiella Poulsen, 1927, is redefined and Hadrocephalites n. gen. is proposed. Hadrocephalites includes taxa previously assigned by Rasetti and Palmer to Schistometopus Resser, 1938a. Schistometopus is considered nomen dubium. Representatives of Kochiella and Hadrocephalites from the Pioche Shale and Carrara Formation of Nevada are described, including the new species Kochiella rasettii, K. brevaspis, Hadrocephalites lyndonensis, and H. rhytidodes. Other kochaspids previously assigned to Kochaspis Resser, 1935; Eiffelaspis Chang, 1963; Schistometopus; and Kochiella are discussed and some are reassigned. The type specimens of Kochiella augusta (Walcott, 1886); K. crito (Walcott, 1917b); K. chares (Walcott, 1917a); K. mansfieldi Resser, 1939; K. arenosa Resser, 1939; Hadrocephalites carina (Walcott, 1917b), and H. cecinna (Walcott, 1917b) are re-illustrated.


1979 ◽  
Vol 111 (4) ◽  
pp. 447-458 ◽  
Author(s):  
A.G. Robinson

AbstractAn annotated list is given of 48 species of aphids collected 1974–1977 at Churchill, Manitoba. Four new species are described: Acyrthosiphon churchillense new species from Oxytropis hudsonica (Greene) Fern, Aphis madderae new species from Taraxacum lacerum Greene, Capitophorus hudsonicus new species (collected by sweeping), and Macrosiphum subarcticum new species from Epilobium angustifolium L. It is suggested that Macrosiphum valerianae (Clarke) be declared a nomen dubium.


1986 ◽  
Vol 118 (6) ◽  
pp. 559-576 ◽  
Author(s):  
A.G. Robinson

AbstractA key is given for 29 species in the subgenusLambersiusOlive in America north of Mexico. An annotated list is provided for 22 species, and descriptions for the following 7 new species:Uroleucon(Lambersius)carberriensisn. sp.,U. (L.)clydesmithin. sp.,U. (L.)coloradensisn. sp.,U. (L.)manitobensisn. sp.,U. (L.)nevadensisn. sp.,U. (L.)penderumn. sp., andU. (L.)suzannaen. sp.Uroleucon(Lambersius)tissoti(Boudreaux) is declared to be a synonym ofU. (L.)luteolum(Williams) andU. (L.)baccharidis(Clarke) as anomen dubium.


1976 ◽  
Vol 108 (2) ◽  
pp. 159-164 ◽  
Author(s):  
A. G. Robinson ◽  
V. Rojanavongse

AbstractA key is given to the species of Aphis L. on Ribes spp. in North America, including, A. bulleri new species and A. manitobensis new species. A. ribigillettei Knowlton and Allen and A. sanborni Patch are declared to be synonyms of A. neomexicana Cockerell, and A. tonahasa Hottes is considered to be a nomen dubium.


2021 ◽  
Vol 95 (S83) ◽  
pp. 1-41
Author(s):  
John S. Peel

AbstractAn assemblage of 50 species of small shelly fossils is described from Cambrian Series 2 (Stage 4) strata in North Greenland, the present day northernmost part of the paleocontinent of Laurentia. The fossils are derived from the basal member of the Aftenstjernesø Formation at Navarana Fjord, northern Lauge Koch Land, a condensed unit that accumulated in a sediment-starved outer ramp setting in the transarctic Franklinian Basin, on the Innuitian margin of Laurentia. Most other small shelly fossil assemblages of similar age and composition from North America are described from the Iapetan margin of Laurentia, from North-East Greenland south to Pennsylvania. Trilobites are uncommon, but include Serrodiscus. The Australian bradoriid Spinospitella is represented by a complete shield. Obolella crassa is the only common brachiopod. Hyoliths, including Cassitella, Conotheca, Neogloborilus, and Triplicatella, are abundant and diverse, but most are represented just by opercula. Sclerites interpreted as stem-group aculiferans (sachitids) are conspicuous, including Qaleruaqia, the oldest described paleoloricate, Ocruranus?, Inughuitoconus n. gen., and Hippopharangites. Helcionelloid mollusks are diverse, but not common; they are associated with numerous specimens of the bivalve Pojetaia runnegari. The fauna compares best with that of the upper Bastion Formation of North-East Greenland, the Forteau Formation of western Newfoundland, and the Browns Pond Formation of New York, but several taxa have a world-wide distribution. Many specimens are encrusted with crystals of authigenic albite. New species: Anabarella? navaranae, Stenotheca? higginsi, Figurina? polaris, Hippopharangites groenlandicus, Inughuitoconus borealis, and Ocruranus? kangerluk.UUID: http://zoobank.org/160a17b1-3166-4fcf-9849-a3cabd1e04a3


2018 ◽  
Vol 93 (2) ◽  
pp. 278-290
Author(s):  
J. Mark Erickson

AbstractIn midcontinent North America, the Fox Hills Formation (Upper Cretaceous, upper Maastrichtian) preserves the last marine faunas in the central Western Interior Seaway (WIS).Neritoptyx hogansoninew species, a small littoral snail, exhibited allometric change from smooth to corded ornament and rounded to shouldered shape during growth. Specimens preserve a zig-zag pigment pattern that changes to an axial pattern during growth.Neritoptyx hogansoninew species was preyed on by decapod crustaceans, and spent shells were occupied by pagurid crabs. Dead mollusk shells, particularly those ofCrassostrea subtrigonalis(Evans and Shumard, 1857), provided a hard substrate to which they adhered on the Fox Hills tidal flats. This new neritimorph gastropod establishes a paleogeographic and chronostratigraphic proxy for intertidal conditions on the Dakota Isthmus during the late Maastrichtian. Presence of a neritid extends the marine tropical/temperate boundary in the WIS northward to ~44° late Maastrichtian paleolatitude. Late Maastrichtian closure of the isthmus subsequently altered marine heat transfer by interrupting northward flow of tropical currents from the Gulf Coast by as much as 1 to 1.5 million years before the Cretaceous ended.UUID:http://zoobank.org/3ba56c07-fcca-4925-a2f0-df663fc3a06b


Parasitology ◽  
2007 ◽  
Vol 135 (2) ◽  
pp. 203-215 ◽  
Author(s):  
T. R. RAFFEL ◽  
T. BOMMARITO ◽  
D. S. BARRY ◽  
S. M. WITIAK ◽  
L. A. SHACKELTON

SUMMARYGiven the worldwide decline of amphibian populations due to emerging infectious diseases, it is imperative that we identify and address the causative agents. Many of the pathogens recently implicated in amphibian mortality and morbidity have been fungal or members of a poorly understood group of fungus-like protists, the mesomycetozoans. One mesomycetozoan, Amphibiocystidium ranae, is known to infect several European amphibian species and was associated with a recent decline of frogs in Italy. Here we present the first report of an Amphibiocystidium sp. in a North American amphibian, the Eastern red-spotted newt (Notophthalmus viridescens), and characterize it as the new species A. viridescens in the order Dermocystida based on morphological, geographical and phylogenetic evidence. We also describe the widespread and seasonal distribution of this parasite in red-spotted newt populations and provide evidence of mortality due to infection.


1994 ◽  
Vol 68 (3) ◽  
pp. 451-460 ◽  
Author(s):  
Patrick R. Racheboeuf ◽  
Paul Copper ◽  
Fernando Alvarez

Cryptonella? cailliaudi Barrois, 1889, from the Lower Devonian of the Armorican Massif, is tentatively assigned to the athyridid brachiopod genus Planalvus Carter, thus far known only from the Lower Carboniferous of eastern North America. In addition, a new species, Planalvus rufus, is described from the Bois-Roux Formation (Pragian) of Brittany, France. These French species are small brachiopods with complex spiralial and jugal structures, which permit assignment to the order Athyridida.


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