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A new lepidopteran insect pest discovered on commercially grown Eucalyptus nitens in South Africa
Intensively managed Eucalyptus plantations form an important component of the South African forestry industry. In this paper we identify and comment on a wood-boring moth (Lepidoptera : Cossidae)Expand
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Responses of grasshopper assemblages to long-term grazing management in a semi-arid African savanna
Abstract A study on grasshopper assemblage response to seasonal grazing, rotational grazing, continuous resting and continuous grazing was undertaken in the eastern Karoo, South Africa.Expand
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Pine weevil Pissodes nemorensis : threat to South African pine plantations and options for control : review article
Pissodes nemorensisl/Ig Germar (Coleoptera: Curculionidae) is native to North America, where it causes significant damage to young trees of various lIgPinusl/Ig species. In North America, it can beExpand
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Grasshopper assemblage response to a restored national park (Mountain Zebra National Park, South Africa)
Twelve grassland sites were sampled inside and outside the Mountain Zebra National Park (MZNP), South Africa to assess changes in grasshopper assemblages to grazing by indigenous mammals inside theExpand
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Topographic Heterogeneity Plays a Crucial Role for Grasshopper Diversity in a Southern African Megabiodiversity Hotspot
Topographic heterogeneity as a determinant of insect diversity pattern has been little studied. Responses of grasshopper assemblages to three hill sizes were assessed in the arid Succulent Karoo,Expand
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2004. Abstracts. XXII International Congress of Entomology, 15-21 August 2004. Brisbane, Australia Abstract 4_3764
The deodar weevil, Pissodes nemorensis, is an important exotic pest of pines in South Africa. It was accidentally introduced into this country from North America and was first detected in 1942.Expand
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SOUTHERN HEMISPHERE EXOTIC PINE PLANTATIONS THREATENED BY INSECT PESTS AND THEIR ASSOCIATED FUNGAL PATHOGENS
Plantation forestry based on non-native tree species in the southern hemisphere expanded rapidly during the latter part of the 20 th Century. These plantations now cover many millions of hectares,Expand
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Conservation Refugium Value of a Large Mesa for Grasshoppers in South Africa
A 3-year study was undertaken on and around a prominent South African mesa to determine its role for grasshoppers in a sea of grazed flatlands. The number of grasshopper species and individuals onExpand
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The threat of alien invasive insect and mite species to food security in Africa and the need for a continent-wide response
Alien invasive insect and mite species (AIS) represent a major challenge for agriculture, food production, and biodiversity in Africa. However, the lack of awareness and appreciation of AIS threatsExpand
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Assessment of Post-Harvest Losses of Major Fruit Crops at East Gojjam Zone, Amhara Region
Ethiopia has suitable agro-ecology to grow both temperate and tropical fruit crops. However, fruit production activity is at infant stage in most parts of the country including in NorthwesternExpand