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THE COCCIDÆ OF THE IVY
Published online by Cambridge University Press: 31 May 2012
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In Entomological News, Vol. V., 1894, p. 210, Prof. Cockerell cited all of the Coccids known to infest ivy (Hedera). Since then other species have been found, and with his consent I have prepared the following notes for publication. Leaves of Hedera helix sent to Prof. Cockerell from Brazil, coll. Dr. F. Noach, May, 1898, proved to be infested by Chrysomphalus distyospermi, Morgan. And Mr. A. Hempel, of St. Paul's, Brazil, sent C. aonidum, L. Just recently he wrote me that C. dictyospermi, var. jamaicensis, Ckll. (minor, Berlese), was received by him from Lord Walsingham, infesting ivy at Cannes, France. Aspidiotus rapax (camelliœ) was found by E. E. Green on ivy in Ceylon (Coccidæ of Ceylon, p. 44. Dactylopius citri, Risso., was found at Kew Gardens, England, on a variety of ivy called Hedera amurensis (Newstead, Ent. Mo., May, 1897, p. 73).
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