New species of Hymenoxys and Perityle (Compositae) from Utah

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Pseudocrossidium aureum (Bartr.) Zand. (Pottiaceae, Musci) new to Utah

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Pseudocrossidium aureum (Bartr.) Zand. (Pottiaceae, Musci) is reported as new to Utah from a loclity in Wayne County. The species distribution is noted and comparisons are made with the other three species of Pseudocrossidium found in North America.     

Composition and distribution of the milliped tribe Pachydesmini west of the Mississippi River (Polydesmida: Xystodesmidae)

The xystodesmid milliped tribe Pachydesmini is supported by the autapomorphic absence of bold aposematic pigmentations and possibly also by relative somatic inflexibility; it comprises 3 component genera: Pachydesmus Cook, 1895; Dicellarius Chamberlin, 1920; and Thrinaxoria Chamberlin and Hoffman, 1950. Three representatives occur west of the Mississippi River— P. clarus (Chamberlin), P. crassicutis crassicutis (Wood), and T. lampra (Chamberlin). New localities are documented in Louisiana and Texas, and literature records are summarized for these states and Arkansas; records of P. clarus from Cherokee County, Texas, are the westernmost in this state for the east-Nearctic xystodesmid fauna. An apparently allopatric population of P. crassicutis crassicutis occurs in Evangeline and Lafayette Parishes, Louisiana. These are the first records of this species from west of the Mississippi River, and new localities of this form are cited from east of the watercourse. Thrinaxoria lampra , known previously in Texas from only Gregg County, is documented from Bowie, Cass, Harrison, Rusk, Sabine, and Titus Counties plus Webster Parish, Louisiana. Diagnoses and pertinent anatomical illustrations are provided for each species including the first cyphopod drawings for P. clarus and T. lampra ; occurrences west of the river are depicted on a map. A new tribal diagnosis is published along with a distribution map.     

Distribution of the milliped Virgoiulus minutus (Brandt, 1841): first records from Mississippi, Oklahoma, and Texas (Julida: Blaniulidae)

Virgoiulus minutus (Brandt 1841) (Julida: Blaniulidae), the only indigenous representative of the family in the New World, occurs, or can be expected, in parts or all of 24 states east of the Central Plains plus the District of Columbia; it is documented for the 1st time from Mississippi, Oklahoma, and Texas. The northern-, southern-, and westernmost localities are in Berrien County, Michigan; Putnam County, Florida; and Angelina/Rusk Counties, Texas, respectively. New England, Utah, Wyoming, Canada, and Mexico are deleted from the range, and specific localities are reported to augment previous generalized citations; those from Mexico represent misidentifications of Nopoiulus kochii (Gervais, 1847), an introduced European species that is recorded from Mexico City, Distrito Federal. Records of V. minutus from Pennsylvania, Virginia, South Carolina, Georgia, Alabama, West Virginia, Ohio, Illinois, Michigan, and Missouri are the 1st definite localities from these states; a sample from ""Anechar,"" believed to be a misspelling of ""Arrochar,"" a neighborhood in Staten Island, is considered the 1st definite record from New York. The published statement of occurrence in Delaware in general is the only known record of an indigenous diplopod from this state.     

Influence of black-tailed prairie dog towns ( Cynomys ludovicianus ) on carnivore distributions in the Oklahoma Pandhandle

Carnivores were recorded at prairie dog towns and non-prairie dog town paired sites in the Oklahoma Panhandle over 4 sampling sessions from October 1995 to February 1997. We established carnivore presence through the use of baited tracking plates dusted with chalk and matched with infrared-triggered cameras. Five carnivore species were recorded at both prairie dog towns and paired sites across the Oklahoma Panhandle. Of these, 4 were recorded with sufficient regularity to permit analyses. Carnivores were analyzed at prairie dog towns across the entire Panhandle and in the Panhandle's westernmost county (Cimarron County) only. Canids showed no significant preference for prairie dog towns or other areas. In the Oklahoma Panhandle and Cimarron County only, occurrence of swift fox ( Vulpes velox ) between prairie dog towns and control sites was insignificant. Badgers ( Taxidea taxus ) and spotted skunks ( Spilogale putorius ) occurred significantly more often at prairie dog towns in Cimarron County but not in the Panhandle. No single mustelid species showed a significant association with either prairie dog towns or non-prairie dog town habitats. Our results indicate that whereas prairie dog towns do attract some carnivore species, the presumption that prairie dogs are ""keystone species"" for so many organisms (especially threatened or endangered species) in the current plains ecosystem may not be as clear as previously thought.     

New synonymy and new species of American bark beetles (Coleoptera: Scolytidae), Part VI

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} New synonymy of American Scolytidae is proposed as follows: Corthylus Erichson ( = Pseudocorthylus Ferrari), Hylesinus Fabricius ( = Leperisinus Reitter), Monarthrum Kirsch ( = Anchonocerus Eichhoff), Corthylus spinifer Schwarz ( = Metacorthylus affinis Fonseca, Corthylus affinis Fonseca), Cryphalus ruficollis Hopkins ( = Cryphalus amabilis Chamberlin, Cryphalus coloradensis Wood), Gnathotrichus retusus (LeConte) ( = Gnathotrichus alni Blackman), Gnathotrichus sulcatus (LeConte) ( = Gnathotrichus aciculatus Blackman), Hypothenemus eruditus Westwood ( = Hypothenemus germari Eichhoff, Stephanoderes myrmidon Eichhoff, Stephanoderes intersetosus Eggers), Hypothenemus seriatus Eichhoff ( = Stephanoderes nitidulus Hopkins, Stephanoderes subopacicollis Hopkins), Hypothenemus obscurus (Fabricius) ( = Stephanoderes asperulus Eichhoff, Stephanoderes cassiae Eichhoff), Pityophthorus annectens LeConte ( = Pityophthorus citus Blackman), Pityophthorus balsameus Blackman ( = Pityophthorus patchi Blackman), Pityophthorus briscoei Blackman ( = Pityophthorus mundus Blackman), Pityophthorus cariniceps LeConte ( = Pityophthorus cognatus Blackman), Pityophthorus confertus Swaine ( = Pityophthorus agnatus Blackman, Pityophthorus comptus Blackman), Pityophthorus confusus Blandford ( = Pityophthorus bellus Blackman), Pityophthorus consimilis LeConte ( = Pityophthorus nudus Swaine), Pityophthorus fuscus Blackman ( = Pityophthorus smithi Schedl), Pityophthorus immanis Blackman ( = Pityophthorus sulcatus Bright), Pityophthorus murrayanae Blackman ( = Pityophthorus gracilis Swaine, Pityophthorus cutleri Swaine, Pityophthorus exilis Swaine, Pityophthorus depygis Blackman, Pityophthorus watsoni Schedl, Pityophthorus aurulentis Bright), Pityophthorus ornatus Blackman ( = Pityophthorus limatus Wood), Pityophthorus pseudotsugae Swaine ( = Pityophthorus thatcheri Bright), Pityophthorus pullus Zimmermann ( = Pityophthorus bisulcatus Eichhoff), Scolytodes levis (Blackman) ( = Ctenophorus laevigatus Chapuis, Scolytodes chapuisi Wood). The following species are named as new to science: Pityophthorus crotonis (Venezuela), Scolytodes constrictus, S. festus, S. praeceps (Colombia), S. canaliculus, S. contractus, S. jucundus, S. opacus, S. opimus, S. serenus, S. suturalis, and S. varius (Venezuela).        

New Haplopappus variety in Utah (Compositae)

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Birds of the desert region of Uintah County, Utah

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 st1\:*{behavior:url(#ieooui) } /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} The Common Loon, White Pelican, Double-crested Cormorant, recurvirostrids, and most grebes, waterfowl, gulls, and terns have become more abundant in Uintah County, Utah, since 1937 (Twomey 1942) due to the establishment of Pelican Lake and adjacent water bodies and the ponds and marshes at Ouray National Wildlife Refuge and Pariette Wetlands Wildlife Management Area. The incidence of herons, egrets, thrushes, nuthatches, and icterids has generally remained about the same since 1937. Diurnal raptors have largely declined in abundance in the desert region of Uintah County since Twomey’s (1942) study. Plovers, sandpipers, phalaropes, and the White-faced Ibis were generally less common in 1977–1982 than in 1937, perhaps chiefly due to their displacement from wintering grounds by human population expansion and agricultural and industrial development. The incidence of owl species remains constant. Most flycatchers, swallows, warblers, vireos, orioles, and emberizids have diminished in number since 1937, probably because of the shrinkage of their winter habitats in Latin America and the southwestern U.S. The Blue Grosbeak and Black-throated Sparrow were not recorded in Uintah County in 1937 but were found there during this study and may represent a range extension northward since 1937. The Blue-gray Gnatcatcher is more common now than in 1937 due to the northward extension of its range. The Starling and Rock Dove and, more recently, the Common Grackle, Great-tailed Grackle, and Cattle Egret have invaded Uintah County due to the expansion of their ranges. It is not clear why the Pine Siskin, House Finch, and most corvids are presently less common than in 1937.        

Supplementary note on Venezuelan bat flies (Diptera: Nycteribiidae)

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Winter stoneflies (Plecoptera) of New Mexico

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A new species of Rhopalomyia (Diptera: Cecidomyiidae) from Artemisia ludoviciana Nuttall (Compositae) in Utah

Normal 0 false false false EN-US X-NONE X-NONE MicrosoftInternetExplorer4 /* Style Definitions */ table.MsoNormalTable {mso-style-name:"Table Normal"; mso-tstyle-rowband-size:0; mso-tstyle-colband-size:0; mso-style-noshow:yes; mso-style-priority:99; mso-style-qformat:yes; mso-style-parent:""; mso-padding-alt:0in 5.4pt 0in 5.4pt; mso-para-margin:0in; mso-para-margin-bottom:.0001pt; mso-pagination:widow-orphan; font-size:11.0pt; font-family:"Calibri","sans-serif"; mso-ascii-font-family:Calibri; mso-ascii-theme-font:minor-latin; mso-fareast-font-family:"Times New Roman"; mso-fareast-theme-font:minor-fareast; mso-hansi-font-family:Calibri; mso-hansi-theme-font:minor-latin; mso-bidi-font-family:"Times New Roman"; mso-bidi-theme-font:minor-bidi;} Rhopalomyia (Diarthronomyia) subhumilis Gagné, a new species of Artemisia ludoviciana Nuttall (Compositae), is described and its taxonomically important structural features illustrated. The new species is compared to its most similar North American congeners.          

Littoral heterogeneity and diel behavior of white bass ( Morone chrysops ) and carp ( Cyprinus carpio ) in Utah Lake, Utah

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A Mammalian humerus from the Upper Jurassic of Colorado

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Western painted turtle in Grant County, Oregon

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Leptophlebiidae of the southwestern United States and northwestern Mexico (Insecta: Ephemeroptera)

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Range extension of Trionyx spiniferus emoryi into Utah (Reptilia)

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A bouquet of daisies ( Erigeron, Compositae)

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