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Results 401 - 450 of 859
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Mostovski, M.B. - - 2011
Nel, H.A. - - 2011
Solen cylindraceus (Hanley, 1843) is an infaunal bivalve that in the St Lucia Estuary is currently restricted to the southern part of its South Lake, having disappeared from the northern reaches due to persisting hypersaline conditions (>70 [per thousand]) and air exposure at low water levels. The system experiences marked ...
van Dijk, - - 2011
A new genus and a new species, Permoxenopterum laticostum gen. et sp. n., are described from the Lopingian deposits of the Tarkastad Subgroup of the Beaufort Group in KwaZulu-Natal, South Africa. This genus is the most ancient representative of the Xenopteridae, which has been previously known from the Middle and ...
Ustjuzhanin, P. - - 2011
The genus Microschismus Fletcher, 1909 is revised for the first time. Four species are synonymised: M. serricornisMeyrick, 1914 is the junior synonym ofM.fortis(Walsingham, 1881);M. cteniasMeyrick, 1911, M. columella Meyrick, 1927 andM. cato Meyrick, 1927 are the junior synonyms ofM. antennatus Fletcher, 1909. Three species are described as new: M. lenzi ...
Londt, Jason - - 2011
The Afrotropical representatives of Ancylorhynchus Berthold, 1827 are reviewed. Two species-groups (reynaudii & nomadus) incorporating 29 species are recognised.
Koch, Frank - - 2011
The Arge mirabilipes group of the Afrotropical Region is revised. The previously known species Arge mirabilipes Pasteels, 1955, A. tibialis Pasteels, 1963 and A. intermedia Pasteels, 1963 from South Africa, are redescribed. Two additional species from Namibia and Kenya are described: Arge kungveldensis sp. n. and A. taitaensis sp. n. ...
Kirk-Spriggs, Ashley - - 2011
The Madagascan fauna of the genus Curtonotum Macquart, 1844 is reviewed. Type material of the seven species described by Tsacas in 1974 (C. balachowskyi, C. boeny, C. keiseri, C. pauliani, C. sakalava, C. sternithrix and C. stuckenbergi) was studied and additional material of five of these is noted, substantially increasing ...
Copeland, Robert - - 2011
Sixty-two years since last observed alive, Mormotomyia hirsuta Austen, the "terrible hairy fly", was found inside and outside a large, cave-like cleft boulder at the summit of Ukasi Hill in eastern Kenya, the type locality of the species. Adults were observed climbing the walls of the boulder and walking on ...
Alene, Desiree - - 2011
Diaphorina enderleini, known from Sudan, Tanzania and Yemen, is reported for the first time from Cameroon, Ethiopia and Kenya. Observations and records from Cameroon and Ethiopia show that it develops on Vernonia amygdalina. The species is diagnosed and the last instar larva is described and illustrated. The larvae lack a ...
Haddad, C.R. - - 2011
A new species of the endemic South African sac spider genus Spinotrachelas Haddad, 2006 is described. Spinotrachelas montanus sp. n. is described based on material collected from four localities in the uKhahlamba-Drakensberg mountains, representing the first records of the genus from the east of the country and from the Grassland ...
Ermilov, Sergey - - 2011
Four new species of oribatid mites of the superfamily Ceratozetoidea, Ceratozetes baleensis sp. n. (Ceratozetidae), Ocesobates schatzi sp. n. (Chamobatidae), Africoribates subiasi sp. n. and A. amorphus sp. n. (both Humerobatidae), are described from southern Ethiopia. The first two species were collected in soil from Harenna Forest of Bale Mountains ...
Ermilov, Sergey - - 2011
We have registered eight species and three genera (Scheloribates Berlese, 1908, Similobates Mahunka 1982, Perscheloribates Hammer, 1973) of Scheloribatidae from southern Ethiopia. Two species of Scheloribates--S. discifer and S. latipes--and the genus Perscheloribates are reported from Ethiopia for the first time. Two new species, Scheloribates acutirostrum sp. n. and Perscheloribates ...
Corronca, Jose - - 2011
Hovops Benoit is a heterogeneous genus of selenopid spiders represented by six known species endemic to Madagascar. After examining sizeable collections of Selenopidae from the Afrotropical Region especially, from Madagascar, we here propose new diagnostic characters for Hovops and describe three new species: H. betsileo sp. n. (both sexes) from ...
Razafindrakoto, M. - - 2011
During a survey of the soil macrofauna of Madagascar three giant earthworm species were collected in the eastern part of the island. One of them, Kynotus friderici Michaelsen, 1931, is a known species described as K. longus var. friderici Michaelsen, 1931 and elevated to species rank herein. The other two ...
Schultheiss, Roland - - 2011
The freshwater habitats of the Eastern Congo are among the least investigated areas on the African continent. This severely restricts our understanding of the composition and distribution of the gastropod and bivalve communities in this region. This lack of knowledge, in combination with very limited recent collections, hampers the phylogenetic ...
Muratov, Igor - - 2011
All primary types of Scaphopoda and Cephalopoda deposited in the KwaZulu-Natal Museum are presented. The reference to the original publication, including the original generic position, the type locality, the collector and the size of the type specimen(s), is provided for each type, followed by information on the type in the ...
Lygre, Froydis - - 2011
Four new species of Pyramidellid gastropods, Turbonilla nanseni, T. willasseni, T. halanychi and T. hoeisaeteri are described from the Gulf of Guinea, West Africa, based on shell morphology. The descriptions are a part of an ongoing project describing the pyramidellid fauna of the area, and it is clear that the ...
Herbert, D.G. - - 2011
Gulella menkeana (Pfeiffer, 1853) is the type species of the highly diverse genus Gulella Pfeiffer, 1856 and study of its morphology and DNA is critical to our ability to define the genus sensu stricto in relation to research on the systematics of this complex genus. However, we have established that ...
Varela, M. - - 2011
BACKGROUND: While it is generally accepted that monozygotic (MZ) twins are identical with respect to inherited traits, because they share 100% of their genetic material, clinical findings and scientific evidence does not support this belief. In addition to environmental factors and stochastic developmental events, a number of genetic mechanisms, detectable ...
Sharma, G. - - 2011
BACKGROUND: Premature exfoliation of primary teeth is an important diagnostic event warranting urgent investigation. The majority of conditions presenting with early loss of teeth are serious and in some cases fatal. CASE REPORT: This is a case of premature exfoliation of primary teeth in a 4-yr-old female. On presentation her ...
Viswanathan, R. - - 2011
AIM: To evaluate and compare shear bond strengths of composite resins to primary enamel and dentine when the adhesives are pre-cured (light cured before the application of the resin) or co-cured (adhesive and the resin light cured together). METHODS: Buccal surfaces of 80 caries-free primary molars were wet ground to ...
Camargo, L.B. - - 2011
AIM: To evaluate the degree of knowledge, use and teaching of atraumatic restorative treatment (ART) of paediatric dentistry lecturers in dental schools throughout Brazil. METHODS: A structured questionnaire was applied, containing questions regarding the use of ART, socio-demographic characteristics and academic degree background. Descriptive analysis and Poisson's regression were conducted ...
de Menezes Abreu, - - 2011
AIM: To determine whether gradually exposing Brazilian children to the dental environment would decrease their levels of dental anxiety over a 14.5-month period. STUDY Design And Methods: The study was carried out on 302 children of both genders, aged 6-7 years old. Dental anxiety was assessed using the Facial Image ...
Moura-Leite, F.R. - - 2011
AIM: To assess the impact of dental pain on the daily living of 5-year-old preschool children using reports from parents/guardians. DESIGN AND METHODS: A cross-sectional study was carried out involving 549 five-year-old children randomly selected from preschools in the city of Belo Horizonte, Brazil. Data were collected using a previously ...
Ferreira, M.C. - - 2011
AIM: To assess the effect of the application of fluoride gels on the acid resistance of occlusal enamel in primary molars. STUDY DESIGN: Forty-five primary second molars were randomly assigned to three groups: a) control (pH-cycling); b) 2% NaF gel/pH-cycling; and c) 1.23% APF gel/pH-cycling. METHODS: Specimens were longitudinally sectioned ...
Curzon, M.E.J. - - 2011
Aim: To provide guidance on writing congress abstracts for submission and how to increase the chance of acceptance. REVIEW: There is increasing competition for submitted abstracts to be accepted by scientific congresses. Because the facilities or size of a congress may be limited a selection process is often used based ...
- - 2011
Toumba, Jack - - 2011
- - 2011
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