This study was carried out in maize and grain sorghum fields near Delmas in the Highveld Region of Mpumalanga Province, South Africa, from 1986/87 to 1992/93. Infestation of maize and sorghum by larvae and pupae of Busseola fusca (Fuller) peaked from ...

The Australian tortoise beetle Trachymela tincticollis (Blackburn) was discovered in the Cape Peninsula in 1982. Its ability to defoliate commercially-grown Eucalyptus species posed a threat to this hardwood industry. In 1986, four egg parasitoid species ...

The Eucalyptus-defoliating tortoise beetle Trachymela tincticollis (Blackburn) was detected in Cape Town in 1982 and was considered a threat to the South African hardwood industry. Studies in southwestern Australia on potential biological control agents ...

Chilocorus nigritus (Fabricius) is one of the major coccinellid predators of the citrus pest Aonidiella aurantii (Maskell) in southern Africa. Laboratory and field experiments were carried out on eggs, larvae and adults of this ladybird to determine the ...

Host preferences of the aphelinid parasitoid, Aphelinus sp. nr. varipes, on the wheat aphids Diuraphis noxia (Kurdjumov), Schizaphis graminum (Rondani), Rhopalosiphum padi (Linnaeus), Sitobion avenae (Fabricius) and Metopolophium dirhodum (Walker) were ...

Seasonal flight activity of Busseola fusca (Fuller) was monitored at six localities in Lesotho during the 1995/96, 1996/97 and 1997/98 growing seasons, using a sex pheromone monitoring system. There were distinct periods of flight activity, with seasonal ...

Nigrobaetis bethuneae sp. n. (Ephemeroptera: Baetidae) is descriptionbed from larvae collected from the Cunene (Kunene) River between Angola and Namibia. The new species represents the first record of Nigrobaetis Novikova & Kluge from southern Africa and ...

The thermal requirements, lower developmental threshold (t) and thermal constant, (K) for three developmental stages of an Aphelinus sp. nr. varipes (Hymenoptera: Aphelinidae), a parasitoid of the Russian wheat aphid, Diuraphis noxia (Kurdjumov) (...

The genus Paschiodes Hampson is redescriptionbed. Paschiodes thomealis Viette is transferred to the genus Syllepte Hubner, and Oeobia trichroa Meyrick and P. bekaledjae Rougeot are synonymized with P. mesoleucalis. Parbattia aethiopicalis Hampson and ...

Monthly collections of the Anopheles gambiae complex mosquitoes were made on human bait at seven fixed sites in the Lowveld Region of Mpumalanga Province, South Africa, between August 1997 and May 1998 to contribute to the evaluation and planning of the ...

The Old World tribe Eutoeini Holloway (Ennominae), previously known from the Palaearctic, Oriental, and Australasian Regions and western to eastern Africa, as far south as Tanzania, is recorded from southern Africa for the first time. It is represented ...

The braconine wasp genus Curriea Ashmead from Africa is revised. Thirty one species of C. (Curriea) and three species of C. (Endovipio) Turner are recognized. Of these, 19 species of C. (Curriea) and one species of C. (Endovipio) are descriptionbed as ...