. The Entomologist's record and journal of variation . EXTREME HOMOZYGOTE FORMS. LESS EXTREME HOMOZYGOTE FEMALESWITH TMN APICAL SPOTS. 57Notes on Breeding the Marbled White Butterfly:Melanargia galathea L. ab. craskei Tubbs By Richard Revels, I am indebted to Mr. Robert Craske for giving RalphTubbs and myself the opportunity to breed this recentlydiscovered aberration of the Marbled White butterfly (), which has on the forewings the black markingsaround the central costal blotch extended outwards along thecosta, joining the sub-apical bar, and extending distally tobecome con
. The Entomologist's record and journal of variation . EXTREME HOMOZYGOTE FORMS. LESS EXTREME HOMOZYGOTE FEMALESWITH TMN APICAL SPOTS. 57Notes on Breeding the Marbled White Butterfly:Melanargia galathea L. ab. craskei Tubbs By Richard Revels, I am indebted to Mr. Robert Craske for giving RalphTubbs and myself the opportunity to breed this recentlydiscovered aberration of the Marbled White butterfly (), which has on the forewings the black markingsaround the central costal blotch extended outwards along thecosta, joining the sub-apical bar, and extending distally tobecome confluent with the marginal markings. On the hind-wings the black central band is broader than in the typicalgalatea. The upper and undersides of both sexes are Tubbs has now named this abberration craskei. Mr. Craske has observed this form annually in tworestricted areas on the South Downs, since 1970. In the wildthe ratio of aberrant forms to typical varies from 1 in 20 to1 in 50. Mr. Craske kindly gave two living females of this aberra-tion to Ralph Tubbs in July
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