The Cirsium arizonicum complex of the southwestern United States

1974 ◽  
Vol 52 (3) ◽  
pp. 543-551 ◽  
Author(s):  
R. J. Moore ◽  
C. Frankton

The morphology, cytology, distribution, and phylogeny of eight species of the southwestern United States closely related to Cirsium arizonicum are considered. These species form a natural group distinguished from other North American species of Cirsium by a short stigma (1–3 mm) and long corolla lobes (10–20 mm) which are longer than the corolla throat. Three new species described are C. chellyense, C. chuskaense, and C. navajoense. Original chromosome counts are presented for C. nidulum, 2n = 34; C. rothrockii, 2n = 30; C. arizonicum, n = 15; C. chuskaense, 2n = 34; and C. arizonicum × nidulum, 2n = 32, 34.

Zootaxa ◽  
2006 ◽  
Vol 1279 (1) ◽  
pp. 1 ◽  
Author(s):  
IAN M. SMITH ◽  
DAVID R. COOK

Members of the genus Diamphidaxona Cook, 1963 are found from southeastern Canada to Argentina, with greatest diversity of species and species groups in the southwestern United States and Mexico. In this paper the three species of Diamphidaxona previously known from North America, D. pallida Cook, D. dolichosoma Cook and D. imamurai Cook, are redescribed. Eleven new species, including D. arizonica sp. nov., D. brevitarsa sp. nov., D. californica sp. nov., D. cavecreekensis sp. nov., D. chihuahua sp. nov., D. chiricahua sp. nov., D. cramerae sp. nov., D. neomexicana sp. nov., D. parvacetabula sp. nov., D. platysoma sp. nov. and D. sabinalensis sp. nov., are also described. North American species are allocated to two subgenera, the nominate subgenus and Diamphidaxonella subgen. nov., for which diagnoses are provided. New distributional data and a key for all North American species are presented.


1965 ◽  
Vol 97 (2) ◽  
pp. 193-198 ◽  
Author(s):  
G. R. Hopping

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.


1991 ◽  
Vol 123 (3) ◽  
pp. 501-558 ◽  
Author(s):  
Ian M. Smith

AbstractMorphological, life history, and distributional data are presented for North American species of the subgenus Stygomomonia (sensu stricto) Szalay, 1943. Adults of the seven previously recognized species are redescribed, and deutonymphs of five of these species are described for the first time. Two species, S. (s.s.) neomexicana Cook and S. (s.s.) occidentalis Cook are substantially revised on the basis of an examination of the types and extensive series of newly collected specimens. Three new species are described, S. (s.s.) californiensis on the basis of deutonymphs and adults, and S. (s.s.) imamurai and S. (s.s.) cooki on the basis of adults. A new diagnosis of the subgenus is proposed and discussed, the relationships of the various species are discussed, and a key to deutonymphs and adults of North American species is presented. New distributional data are presented for all species, and dispersal patterns from Pleistocene refugia are discussed.


1992 ◽  
Vol 124 (6) ◽  
pp. 1063-1074 ◽  
Author(s):  
Glenn B. Wiggins ◽  
Robert W. Wisseman

AbstractThree new species are described in the caddisfly family Uenoidae: Neothremma prolata, from Hood River County, Oregon; Neothremma mucronata from Lassen County, California; and Farula constricta from Multnomah County, Oregon. Following examination of the holotypes of several species, misinterpretation of the male genitalia morphology of Farula wigginsi Denning is corrected, leading to the recognition of that name as a junior synonym of F. petersoni Denning. Interpretation of male genitalic morphology in the original description of F. geyseri Denning is revised. Phylogenetic relationships are inferred from male genitalic morphology for the species of Neothremma and Farula. Biogeographic patterns of the species in both genera are highly congruent with the phylogenies.


1965 ◽  
Vol 72 (4) ◽  
pp. 291-294
Author(s):  
J. H. Redner ◽  
C. D. Dondale

The North American crab spiders are now comparatively well known taxonomically. This is particularly true of the species in the large genus Xysticus, which has been twice revised continentally by Gertsch (1939, 1953) and treated in more regional works by Buckle and Redner (1964), Schick (1965), and Turnbull, et al. (1965). It seems probable that any additional new forms that will be discovered will be from remote parts of the continent or in sibling relationship with known species. Several species have, however, been described only from one sex.The purpose of this paper is to describe a distinctive new species of Xysticus from the mountainous parts of Arizona. Its structure clearly places it in the locuples group of the apophysate division of the genus, and its range suggests it to be an inland endemic of the southwestern United States.


Zootaxa ◽  
2007 ◽  
Vol 1581 (1) ◽  
pp. 53-68
Author(s):  
JEREMIAH N. GEORGE

The United States fauna of the genus Ittys (Trichogrammatidae: Paracentrobiini) is revised for the first time. This revision includes a redescription of the genus, redescriptions of the named North American species with illustrations of diagnostic characters. The genus Ittys contains three described North American species which are all considered synonyms of the widespread Ittys ceresarum (Ashmead). Four new species from the United States I. californica n. sp., I. infuscata n. sp., I. macfarlandi n. sp. and I. inermis n. sp. are described as new.


1963 ◽  
Vol 41 (3) ◽  
pp. 341-370 ◽  
Author(s):  
G. L. Hennebert ◽  
J. W. Groves

Three new species of Botryotinia on Caltha palustris L., Ranunculus septentrionalis Poir., and Ficaria verna Huds. (Ranunculaceae) are described as B. calthae Hennebert and Elliott, B. ranunculi Hennebert and Groves, and B. ficariarum Hennebert. Each of the three species has a Botrytis state of the B. cinerea complex, and they thus constitute additions to the species already segregated from that complex, i.e. Botryotinia fuckeliana, B. convoluta, B. draytoni, and B. pelargonii. The Botrytis state of B. ficariarum can be distinguished morphologically.While B. ranunculi is a North American species and B. ficariarum an European one, B. calthae is reported from both continents.


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