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African Zoology

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More winged females of the cricket Gryllodes supplicans (Walker)

R.B. Toms

Abstract


The cosmotropical cricket Gryllodes supplicans occurs in two forms, a common micropterous form and a rare micropterous form. The unusual macropterous form occurs naturally in Sri Lanka and Bermuda, but has also been produced by laboratory manipulation of environmental conditions. This article is a preliminary report on a successful independent repetition of the breeding of macropterous females from micropterous stock, collected in Pretoria. Although it has been argued that these two forms represent two different species, the fact that macropterous individuals can be produced from micropterous parents can onfy be accommodated by regarding them as two forms of one species.



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