oa Journal of the Entomological Society of Southern Africa - Investigation on the biology of Piezotrachelus varium (Wagner) and Apion (Conapion) chirindanum Wagner (Coleoptera: Apioninae)



In spite of the fact that the sub-family Apioninae is characterised by numerous species, little detailed information as regards the bionomics of the various species is available. While the general trend of the life cycles of those species investigated is rather similar, small differences do occur. These differences are of potential value in the field of taxonomy, where difficulty is experienced in discriminating between species as well as in the field of economic entomology. A fundamental requirement. in advocating control measures against an injurious insect is an intimate knowledge of its life history.


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