Posterior body margins of female Chionaspis salicis [Willow scale] and Chionaspis aspidistrae Size:XXL: 150 x 100cm 'Fenians In A Fix'

'Fenians In A Fix'

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Posterior body margins of female Chionaspis salicis [Willow scale] and Chionaspis aspidistrae Size:XXL: 150 x 100cm 'Fenians In A Fix'Plate 22, 'Monograph of the Coccidae of the British Isles', by Robert Newstead (Ray Society, 1900 1902). Margins of pygidium of two varieties of scale insects. Figure 1 Chionaspis salicis. Figure 2 Chionaspis aspidistrae. Both at x250 magnification. Signed 'R. Newstead ad nat del.' cropped. The facing page is an approved [in pencil] proof version of captions, 'Explanation of Plate XXII'. Original: pencil on board. ca. 1897