Insect herbivores associated with indigenous species of Solanum (Solanaceae) in the Transvaal, South Africa, and in Namibia
- Olckers, T, Hulley, Patrick E, Hill, Martin P
- Authors: Olckers, T , Hulley, Patrick E , Hill, Martin P
- Date: 1995
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/451440 , vital:75049 , https://hdl.handle.net/10520/AJA10213589_108
- Description: Several indigenous Solanum (Solanaceae) species were surveyed in the Transvaal and Namibia as part of a broader study of the insect herbivores associated with indigenous, as well as weedy and cultivated exotic, solanurns in southern Africa. Insects were collected on three Solanum species in the Transvaal and on 10 in Namibia. Solanum panduriforme E. Mey. and S. incanum L. were abundant in both regions, while S. capense L. was the most common species in Namibia. These three Solanum species supported an abundance of insect herbivores, which included many oligophages found on solanurns in other regions of South Africa. Most of the Solanum insect species were found on a wide range of host plants, in a variety of habitats and under various climatic conditions.
- Full Text:
- Date Issued: 1995
- Authors: Olckers, T , Hulley, Patrick E , Hill, Martin P
- Date: 1995
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/451440 , vital:75049 , https://hdl.handle.net/10520/AJA10213589_108
- Description: Several indigenous Solanum (Solanaceae) species were surveyed in the Transvaal and Namibia as part of a broader study of the insect herbivores associated with indigenous, as well as weedy and cultivated exotic, solanurns in southern Africa. Insects were collected on three Solanum species in the Transvaal and on 10 in Namibia. Solanum panduriforme E. Mey. and S. incanum L. were abundant in both regions, while S. capense L. was the most common species in Namibia. These three Solanum species supported an abundance of insect herbivores, which included many oligophages found on solanurns in other regions of South Africa. Most of the Solanum insect species were found on a wide range of host plants, in a variety of habitats and under various climatic conditions.
- Full Text:
- Date Issued: 1995
Insect herbivores on the exotic weeds Solanum elaeagnifolium Cavanilles and S. sisymbriifolium Lamarck (Solanaceae) in South Africa
- Hill, Martin P, Hulley, Patrick E, Olckers, T
- Authors: Hill, Martin P , Hulley, Patrick E , Olckers, T
- Date: 1993
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/451454 , vital:75050 , https://hdl.handle.net/10520/AJA10213589_58
- Description: In South Africa, the weeds Solanum elaeagnifolium Cavanilles and S. sisymbriifolium Lamarck (Solanaceae) sustain little observable damage from herbivorous insects. Relatively few insect species occur on these plants and at low individual densities. Since native insects are not important in the natural control of S. elaeagnifolium and S. sisymbriifolium, additional agents should be imported for the biological control of these weeds. The absence of important local herbivores means that the possibility of interaction between these and potential biological control agents need not be a consideration in choosing the agents. The nature and numbers of the insect herbivores of S. elaeagnifolium and S. sisymbriifolium are compared with those on another solanaceous weed, S. mauritianum Scopoli, and on native Solanum species. These insect species are discussed relative to plant defence mechanisms.
- Full Text:
- Date Issued: 1993
- Authors: Hill, Martin P , Hulley, Patrick E , Olckers, T
- Date: 1993
- Subjects: To be catalogued
- Language: English
- Type: text , article
- Identifier: http://hdl.handle.net/10962/451454 , vital:75050 , https://hdl.handle.net/10520/AJA10213589_58
- Description: In South Africa, the weeds Solanum elaeagnifolium Cavanilles and S. sisymbriifolium Lamarck (Solanaceae) sustain little observable damage from herbivorous insects. Relatively few insect species occur on these plants and at low individual densities. Since native insects are not important in the natural control of S. elaeagnifolium and S. sisymbriifolium, additional agents should be imported for the biological control of these weeds. The absence of important local herbivores means that the possibility of interaction between these and potential biological control agents need not be a consideration in choosing the agents. The nature and numbers of the insect herbivores of S. elaeagnifolium and S. sisymbriifolium are compared with those on another solanaceous weed, S. mauritianum Scopoli, and on native Solanum species. These insect species are discussed relative to plant defence mechanisms.
- Full Text:
- Date Issued: 1993
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