A new dimeric azaphenalene alkaloid, isopsylloborine A (2), has been isolated from the ladybird beetles Halyzia 16-guttata and Vibidia 12-guttata, and its structure determined by 2D NMR methods. It is a double bond isomer of the recently described psylloborine A (1), which is also present in these b
New Ladybirds from Southern Africa (Coleoptera, Coccinellidae)
✍ Scribed by Helmut Fürsch
- Book ID
- 102511698
- Publisher
- Pensoft Publishers
- Year
- 2008
- Tongue
- English
- Weight
- 417 KB
- Volume
- 79
- Category
- Article
- ISSN
- 0232-5519
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✦ Synopsis
Two new coccinellid species from Southern Africa are described, Hyperaspis kochi sp. n. (type locality: South Africa: Northern Province: Lekgalameetse Nature Reserve) and Scoroscyrnnus puncturissimus sp. n. (type locality: South Africa: KwaZulu-Natal: Sodwana Bay National Park), and compared with the closely related species. A key to the South African Hyperuspis species is provided. Mainly body outlines and the morphology of genitalia are used as distinctive characters.
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