Publications

studies on the ecology of amblyomma marmoreum koch 1844 (acarnia: ixodidae).	in the eastern cape province of south africa, larvae and nymphs of ablyomma marmoreum koch occur in habitats in which there is tree cover and herbaceous ground cover. immatures of a. marmoreum are parasitic on reptiles, birds, and mammals. adults occur only on reptiles. the major host for all stages is the moutain tortoise (geochelone pardalis), and in the home areas of tortoises the density of ticks is high. larvae are active in late summer and autumn. the rate of feeding is temperature-depende ...	1975	1165558
parasites of domestic and wild animals in south africa. xxv. ixodid ticks on sheep in the north-eastern orange free state and in the eastern cape province.	the tick burdens of 115 merino sheep, slaughtered over a period of 15 consecutive months on a farm in the north-eastern orange free state, were determined. a total of 7 ixodid and 1 argasid tick species were recovered and the seasonal abundances of boophilus decoloratus, hyalomma marginatum rufipes, margaropus winthemi and rhipicephalus evertsi evertsi were determined. one hundred and forty-nine merino sheep were slaughtered over periods varying from 10 to 25 months on 3 farms in eastern provinc ...	1991	1923373
parasites of domestic and wild animals in south africa. xxvii. ticks on helmeted guineafowls in the eastern cape province and eastern transvaal lowveld.	seventy-six helmeted guineafowls (numida meleagris) were shot in the andries vosloo kudu reserve and on an adjacent farm in the eastern cape province during the period may 1985 to january 1987 and their tick burdens determined. a total of 10 ixodid tick species were recovered, of which amblyomma hebraeum, amblyomma marmoreum and haemaphysalis silacea were the most abundant. the seasonal abundances of these 3 species and of hyalomma marginatum rufipes were ascertained. a marked difference between ...	1991	1923375
helminth and arthropod parasites of angora goats on irrigated kikuyu grass pastures in the eastern cape province.	angora goat kids and yearlings grazing irrigated kikuyu (pennisetum clandestinum) grass pastures in the eastern cape province, became heavily infected with teladorsagia circumcincta and trichostrongylus rugatus, leading to high mortality in both age groups. peak burdens of the former were recorded during march and may, and of the latter during may and june. larger numbers of the cestode moniezia expanza, occurred in the kids than in the yearlings. despite the stress of high helminth burdens, no ...	1990	2286996
the host status of the striped mouse, rhabdomys pumilio, in relation to the tick vectors of heartwater in south africa.	striped mice, rhabdomys pumilio, were trapped over a 17 month period in the thomas baines nature reserve in the eastern cape province of south africa. captured mice were placed in cages, over water, and naturally detaching ticks were collected. only 5 larvae and 1 nymph of amblyomma hebraeum were recovered from the mice. these represented less than 0.1% of the total number of ticks recovered. no amblyomma marmoreum were recovered. as the vegetation and large mammals and tortoises in the thomas b ...	1989	2626267
some avian and mammalian hosts of amblyomma hebraeum and amblyomma marmoreum (acari: ixodidae).	large numbers of birds, wild mammals and domestic stock from a variety of localities within the republic of south africa were examined for infestation with the ixodid ticks amblyomma hebraeum and amblyomma marmoreum. every warthog (phacochoerus aethiopicus), burchell's zebra (equus burchelli), impala (aepyceros melampus) and kudu (tragelaphus strepsiceros) from the kruger national park in the north-eastern transvaal lowveld was infested with a. hebraeum. in the eastern cape province every helmet ...	1987	3329327
hosts, seasonality and geographic distribution of the south african tortoise tick, amblyomma marmoreum.	the tortoise tick amblyomma marmoreum was collected from large numbers of reptiles and other animals during the course of numerous surveys conducted in south africa. a total of 1229 ticks, of which 550 were adults, were recovered from 309 reptiles belonging to 13 species, with leopard tortoises, geochelone pardalis being the most heavily infested. the 269 birds sampled harboured 4901 larvae, 217 nymphs and no adult ticks, and the prevalence of infestation was greatest on helmeted guineafowls, nu ...	2006	16715875