Zobrazeno 1 - 10
of 213
pro vyhledávání: '"R. W. Sutherst"'
Publikováno v:
Bulletin of entomological research. 110(5)
The Bemisia tabaci species complex is one of the most important pests of open field and protected cropping globally. Within this complex, one species (Middle East Asia Minor 1, B. tabaci MEAM1, formerly biotype B) has been especially problematic, inv
Publikováno v:
Medical and Veterinary Entomology. 11:155-158
The effect is reported of artificially controlled levels of infestation with adults of Rhipicephalus appendiculatus on the milk yield of twenty commercial Bos taurus dairy cattle on a high plane of nutrition and eighteen crossbred B.taurus x Sanga ca
Publikováno v:
Medical and Veterinary Entomology. 11:143-147
The effects of adults of the bont tick. Amblyomma hebraeum on the milk production of Sanga and Sanga x zebu (Brahman) cattle were measured over a period of I I weeks in the lowveld of Zimbabwe in the summer of 1986. Four groups of lactating cows, con
Publikováno v:
Medical and Veterinary Entomology. 11:148-154
Lactating Sanga cows of the Mashona breed from Zimbabwe, receiving either a low or high level of nutritional supplement, were exposed to two levels of infestation of adults of the brown ear-tick, Rhipicephalus appendiculatus in the highveld of Zimbab
Autor:
P G, Pardey, J M, Beddow, D J, Kriticos, T M, Hurley, R F, Park, E, Duveiller, R W, Sutherst, J J, Burdon, D, Hodson
Publikováno v:
Science (New York, N.Y.). 340(6129)
Publikováno v:
EPPO Bulletin. 21:595-608
CLIMEX, a climate-matching model, is described in relation to pest risk assessment. The rationale for the development Of CLIMEX is given and its various functions are illustrated with examples, using the Colorado beetle Leptinotarsa decemlineata. The
Publikováno v:
Experimentalapplied acarology. 20(10)
Infestations of adults and nymphs of Amblyomma hebraeum were counted on Brahman (Br), Brahman x Simmental (BS), Sanga (Sa) and Hereford (He) steers exposed to infested pastures at Mbizi in southern Zimbabwe in 1986-1987. Herefords were always the mos
Autor:
R W, Sutherst
Publikováno v:
Ciba Foundation symposium. 175
Arthropod vectors need to acquire energy, moisture, hosts and shelter from their environment. Changing human populations and industrialization affect almost every aspect of the environment. In particular, the prospects of climatic warming, urbanizati
Autor:
R. W. Sutherst, R. B. Halliday
Publikováno v:
Experimentalapplied acarology. 8(1-2)
A living female of Dermacentor variabilis (Say) was collected in Canberra, Australia, on a human who had recently returned from the U.S.A. Climatic data indicate that this could become established in eastern Australia and many other parts of the worl
Autor:
R. W. Sutherst
Publikováno v:
Australian Journal of Entomology. 16:58-58