oa African Entomology - Regional distribution of Gonocephalum species (Coleoptera: Tenebrionidae) in maize fields in South Africa



Five Gonocephalum species were recorded during a survey of the main maize-producing area of South Africa. Distribution data from this survey were augmented by records from the Transvaal Museum, Pretoria. Gonocephalum simplex Fabricius, the earliest descriptionbed and most destructive Gonocephalum species in South Africa, was also the most frequently recorded. It had the widest distribution but was more common in the eastern parts of the maize-producing areas. Gonocephalum germari Ferrer occurred throughout southern Africa but was infrequently recorded during this survey. Gonocephalum bimaculatum Ferrer, G. brincki Ferrer and G. gridellii Koch only occurred in specific regions in South Africa and were also infrequently recorded. Only G. simplex and G. gridellii are known to damage maize seedlings.


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