Abstract
Habrobracon mosaics involving either wild type and notched wings or wild type and small wings were used to study mosaic patterns in wings. A longitudinal striping pattern was found for the wings of Habrobracon. This pattern is like that described for wings and other structures derived from imaginal discs in Drosophila. It indicates that cell divisions are preferentially oriented in certain directions in the developing disc (Bryant, 1970). Wings that were mosaic for notched wings showed regional autonomy with respect to temperature sensitivity. The different shapes and sizes of the mosaic wings were determined by the amounts and positions of the notched wings or small wings phenotype in them. Distortions in wing shape for wild type-small wings mosaics were related to concurrent growth and differential growth rates between the wild type and the small wings portions.
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