2 edition of Cytological studies in Metacnephia and Cnephia s. str. (Diptera: Simuliidae). found in the catalog.
Cytological studies in Metacnephia and Cnephia s. str. (Diptera: Simuliidae).
William Stanley Procunier
Written in English
|The Physical Object|
|Number of Pages||182|
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We study dual PPO‐related modulation of Saturn's tail current sheet during , when the northern PPO system was stronger than that of the southern Clear effects depending on the relative north‐south system phases are discernable for . All species of black flies recorded in Michigan are classified in the subfamily Simuliinae, divided into two tribes: Prosimuliini (Twinnia, Helodon and Prosimulium) and Simuliini (Greniera, Stegopterna, Cnephia, Ectemnia, Metacnephia and Simulium). This arrangement differs from the organization found in Stone et al. (), which provided the.
A macrogenomic investigation of a Holarctic clade of black flies—the Simulium cholodkovskii lineage—provided a platform to explore the implications of a unique, synapomorphic whole-arm interchange in the evolution of black flies. Nearly 60 structural rearrangements were discovered in the polytene complement of the lineage, including 15 common to all analyzed individuals, Cited by: 8. The European black fly Simulium (Simulium) colombaschense (Scopoli), once responsible for as many as 22, livestock deaths per year, is chromosomally mapped, permitting its evolutionary relationships and pest drivers to be inferred. The species is 12 fixed inversions removed from the standard sequence of the subgenus of these fixed inversions, 38 autosomal Cited by:
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A cytological study of species in Cnephia s. str. (Diptera: Simuliidae) Article (PDF Available) in Canadian Journal of Zoology 60(11) February Author: William Procunier. Cytological descriptions and phylogenetic relationships are presented for the genus Cnephia s.
str. All members are male achiasmate. Cnephia lapponica is Author: William Procunier. A cytological description of 10 taxa in Metacnephia (Diptera: Simuliidae) WILLIAM IER' Department of Botany, University of Toronto, Toronto, Ont., Canada M5S 1Al Received J 1.
Procunier WS (b) A cytological study of species in Cnephia s. str. (Diptera: Simuliidae). Can J Zool (in press) Google Scholar Procunier WS (c) The interdependence of B-chromosomes, nucleolar expression and larval development in the black fly species: Cnephia dacotesis and Cnephia ornithophilia (Diptera: Simuliidae).Cited by: Cytological descriptions and phylogenetic relationships are presented for the genus Cnephia s.
str. All members are male achiasmate. Cnephia lapponica is. Abstract. In a limited area of sympatry in New York State, hybridization occurs between Prosimulium multidentatum (Twinn) and “forms” 2 and 3 of P.
magnum Dyar and Shannon. Salivary gland chromosomes of the interspecific hybrids are the composite of those of the parental species with respect to fixed inversion differences, sex chromosomes and chromocenter Cited by: The transition and transversion ratio for S.
degrangei is similar to that reported for the North-American blackfly Metacnephia coloradensis Peterson & Kondratieff, (Finn &.
Digenean parasite communities in flatfishes of the Scotian Shelf and southern Gulf of St. Lawrence. Scott» Abstract. Canadian Journal of Zoology,60(11): A cytological study of species in Cnephia s. str. (Diptera: Simuliidae) William S.
Procunier Canadian Journal of Zoology,60(11): Cnephia dacotensis Ontario 5 () Manitoba 8 Metacnephia borealis Nunavut 13 () Metacnephia saileri Yukon Territory 8 () Nunavut 8 Metacnephia saskatchewana Nunavut 9 () Metacnephia sommermanae Yukon Territory 8 () Metacnephia villosa California 4 () Simulium (Hellichiella) anatinum Manitoba 2Cited by: By contrast, Cnephia dacotensis (Dyar & Shannon, ) is one of the few species that shows sex-differential regions spanning the centromere region, and is unique in that the sex chromosomes involve only polymorphic bands in chromosome I (Procunierb).Cited by: 5.
Cytological descriptions are given for two sympatric sibling species, Simulium praelargum IIIL-st and Simulium praelargum IIIL, from Darjeeling, West Bengal, India. Sibling IIIL differs from IIIL-st by a two step fixed included inversion (IIIL) found on the long arm of chromosome by: 2.
Identification at the morphospecies level revealed a total of 18 taxa in 3 genera: Simulium, Metacnephia, and Cnephia. Although the actual number of species will undoubtedly be higher following cytological screening, it is clear that the simuliid fauna is depauperate relative to that of similar drainages in Alaska and the Yukon Territory.
Procunier WS. (a) A cytological description of 10 taxa in Metacnephia (Diptera: Simuliidae). Canadian Journal of Zoology – doi: /z [Google Scholar] Procunier WS. (b) A cytological study of species in Cnephia s.
str. (Diptera: Simuliidae). Canadian Journal of Zoology – doi: /z Trees from all analyses of 28S sequences, analyses of EF-1α in which “Cnephia” pilfreyi and Paraustrosimulium are constrained to be monophyletic support the monophyly of a clade containing Cnephia, Ectemnia, Greniera fabri, Metacnephia, and Simulium s.l.
Bootstrap support from 28S neighbor-joining analysis is particularly strong, i.e., 97%.Cited by: We present population cytogenetic data from an analysis of polytene chromosomes of individuals of the common New Zealand blackfly Austrosimulium australense (Schiner). These data show that, in an area of the central North Island of New Zealand (Tarawera), there are, firstly, a number of abrupt changes in inversion polymorphisms between Author: M.
McLea, D. Lambert. Proper identification of the black flies is facilitated by chromosomal characteristics when morphotaxonomic parameters are insufficient to distinguish a species. Using photo composites, we constructed and describe from the salivary glands of larvae a standard polytene chromosome map of a Himalayan black fly, Simulium (Simulium) dentatum, in the multistriatum group Cited by: 2.
JGR: Space Physics publishes original research articles on the broad field of space physics, including aeronomy, magnetospheric physics, planetary atmospheres, ionospheres and magnetospheres, solar and interplanetary physics, cosmic rays, and heliospheric physics.
ater v ap or. Early studies of climatic sensitivity By the turn of the cen tury, the p ossibilit y that v ariations in CO 2, could alter the Earth's climate w as under serious consideration, with b oth S.
Arrhenius (10) and T. Cham b erlin (11) clearly recognizing the cen tral imp ortance of w ater v ap or feedbac k. In a letter to C.
Abb. Nearly 98% of the world's nominal species of black flies feed on vertebrate (avian and mammalian) blood, and most of these probably transmit blood-borne pathogens (Adler,Adler and Crosskey, ).About 28 formally described pathogens and parasites of vertebrates have been documented in black flies (Adler and McCreadie, ), although molecular Cited by: Content: WORLD BLACKFLIES (DIPTERA: SIMULIIDAE): A FULLY REVISED EDITION OF THE TAXONOMIC AND GEOGRAPHICAL INVENTORY Peter H.
Adler1 & Roger W. Crosskey2 1Department of Entomology, Soils & Plant Sciences, Long Hall, Clemson University, Clemson, South Carolina,USA [email protected] 2Department of Entomology.
Geophysical Research Letters publishes high-impact, innovative, and timely communications-length articles on major advances spanning all of the major geoscience disciplines.
Papers should have broad and immediate implications meriting rapid decisions and high visibility.Procunier ; Procunier ).
The present study examines cytological and ecological aspects of the following species and species complexes in Alberta: Cnephia dacotensis (Dyar and Shannon), S. aureum Fries, S.
vittatum, S. decorum Walker, S. tuberosum, S. venustum and S. verecundum. PRINCIPAL STUDY SITES. Accurate species identification is essential for cost-effective pest control strategies. We tested the utility of COI barcodes for identifying members of the black fly genus Cnephia Enderlein (Diptera: Simuliidae).
Our efforts focus on four Nearctic Cnephia species—Cnephia dacotensis (Dyar & Shannon), Cnephia eremities Shewell, Cnephia ornithophilia (Davies, Peterson & Wood), and Cnephia Cited by: 7.